gtk 3.99.3

[Matthias Clasen <install-module master gnome org>]

News
====

* Accessibility:
 - Add an initial AT-SPI backend

* GtkEmojiChooser:
 - Allow inserting multiple Emoji by pressing Control
 - Update Emoji data to Unicode 13 / CLDR 37
 - Use translations
 - The recent-emoji setting type changed. Call
   gsettings reset org.gtk.gtk4.Settings.EmojiChooser recent-emoji

* GtkTextBuffer:
 - Add boolean returns to some get_iter functions

* GtkScale:
 - Change the default value of the :draw-value property

* GtkPopover:
 - Avoid losing focus when popovers are close

* GtkColorChooser:
 - Add color names back for accessibility

* Input methods:
 - Add a 'private' input hint

* GL Renderer:
 - Fix issues with texture caching
 - Fix texture flipping problems

* Build:
 - Use meson yield feature for some options
 - Require gtk-doc 1.33
 - Require sysprof 3.38

* Wayland:
 - Clean up Wayland backend api, add annotations
 - Generate introspection for Wayland backend api

* Windows:
 - Fix modal window handling and window stacking

* MacOS:
 - Fix the build
 - Define GDK_WINDOWING_MACOS
 - Fix various event handling issues

* Demos:
 - Add another column view demo
 - Add an svg paintable demo

* Translation updates
 Czech
 Lithuanian
 Polish




Download
========
https://download.gnome.org/sources/gtk/3.99/gtk-3.99.3.tar.xz (18.4M)
  sha256sum: 5745df4647e845f8a5fa0dbd59594afbfa6a6ba6a08a7c9632182970e8f49767