ImFont: Allowing to use up to 0xFFFE glyphs in same font (increased from previous 0x8000)

Demo: extra (somehow duplicate) Selectables+Columns demo

Demo: Added an extra 3-way columns demo

Fixed a crash bug in stb_textedit.h (#681)

Fixed minor bug introduced in 45dacbf (#682) ...

Actually minor because nobody uses that value. Still a terrible
bug.

Comments, tweaks

InputText: Added support for CTRL+Backspace.

Version 1.50 WIP

Version 1.49

Caving in to ignoring stupid pedantic Clang warnings for old-style-cast in header files

Removed various superflous ImGui:: prefixes in internal code

Undo modification of ContentsRegionRect.Max, too many side-effects (undo dff0783)

Comments (#590)

CollapsingHeader() with close button adapt to horizontal scrolling (#600)

Fix selectable/tree node not reaching right-side of contents size when horizontal scrolling is active and no explicit size is known

Fixed GetWindowContentRegionMax() being off by ScrollSize amount when SizeExplicit is set + caching ContentsRegionRect. ...

Relates to horizontal scrollbar, explicit contents size

Comments (#676, #655)

Demo: Tree: showing how to align tree node label with current x position (#324, #581)

Added optional Indent() Unindent() width (#324, #581)

Added TreeAdvanceToLabelPos() (#581)

Comments

TreeNodeEx(): ImGuiTreeNodeFlags_AlwaysOpen->ImGuiTreeNodeFlags_Leaf, + added ImGuiTreeNodeFlags_Bullet (#324, #581)

Comments

Demo: fixed multi-selection tree nodes demo to not replace selection when clicking on single-item that's already part of selection (#581)

SetNextWindowSizeConstraint -> SetNextWindowSizeConstraints (#668)

BeginMenu: a menu that becomes disabled when open gets closed down, facilitate user's code (#126)

Comments (#335)

Speculative 64-bit warning fix (#668)

Fixed compile issue (bloody git stashes) (#668)

Added SetNextWindowSizeConstraint() + demo code (#668)