gtk+3 3.24.31

[Douglas R. Reno]

New point version

[Bruce Dubbs]

Overview of Changes in GTK+ 3.24.31, 20-12-2021

• input:
  • Fix a crash with touch on GtkScale

• clipboard:
  • Avoid a double-free

• css:
  • Avoid a crash with radial gradients

• GtkFileChooser:
  • Don't leak search results

• GtkTextView:
  • Support css letterspacing

• Wayland:
  • Reset position when hiding popups
  • Ignore globals we did not bind ourselves
  • Avoid infinite loops when hiding surfaces
  • Avoid clipboard-related lockups

• X11:
  • Trap errors while doing XRANDR calls
  • Support touchpad gestures with XI 2.4

• win32:
  • Some OpenGL setup fixes
  • Fall back to GLES for OpenGL
  • Fix MinGW autotools build
  • Fix building on Windows 11
  • Support building with Visual Studio 2022
  • Improve DND across monitors
  • Rewrite keymap handling code

• macOS:
  • Accept NSPasteboardTypeFileURL drops
  • Build on macOS 12
  • Fix display on macOS 12
  • Fix keyboard layout notifications
  • Fix a crash
  • Improve performance on Big Sur

• Translation updates

[Bruce Dubbs]

Fixed at commit 0a0ad3a17b932dbc1112ff58422bd73d58eb00a1

Package updates.
    Update to tree-2.0.0.
    Update to pango-1.50.3.
    Update to qpdf-10.5.0.
    Update to libportal-0.5.
    Update to gtk+3 3.24.31.
    Update URLs in Beyond BLFS section.