Overview of Changes in 4.0.1
============================
* GtkPopover
- Center titles
- Fix menu item alignment with submenus
* GtkVideo
- Fix up autoplay semantics
- Respect pixel aspect ratio
- Get GL textures from gstreamer
* GtkCenterLayout
- Fix handling of expanding center child
* GtkSettings
- Change gtk-cursor-aspect-ratio to double
- Fix the default value of gtk-print-backends
* GtkGestureStylus
- Convert motion history to surface coordinates
* GL renderer
- Various optimizations
- Avoid leaking shader objects
* Adwaita
- Fine-tune flat buttons
- Improve contrast of dim-label
- Improve contrast of controls in headers
* Docs
- Add various missing types
- Add DND examples
- Correct css docs for several widgets
- Improve GtkVideo docs
- Update migration docs for GtkClipboard
- Improve migration docs for event controllers
- Add migration docs for GtkBuilder
* gtk4-builder-tool
- Remove GtkCheckButton::draw-indicator
- Fix a buffer overrun
- Remove GtkToolbar::toolbar-style
* Demos
- Don't put the search bar in the scroll area
- Make the OpenGL demos work with OpenGL ES
* X11
- Fix a possible crash
* Build
- Fix vulkan reference in pc file
- Fix build with certain Vulkan versions
* Windows:
- Fix build with Visual Studio 2013
* OS X:
- Fix build on OS X
- Fix crash on Mojave
- Fix a window sizing issue
- Fix build on OS X 10.12
- Add a CI build
* Translation updates:
Basque
Brazilian Portuguese
Catalan
Galician
German
Japanese
Lithuanian
Persian
Punjabi
Romanian
Ukrainian