[gtk/gtk-4.0] (55 commits) ...Merge branch '4.0-backports' into 'gtk-4.0'

[Matthias Clasen <matthiasc src gnome org>]

Summary of changes:

  201580b... Abort if the shared memory pool cannot be created (*)
  3ac71e4... a11y: Avoid signal emission during cache population (*)
  5fb3daf... a11y: Make GtkATContext realization lazier (*)
  2624000... wayland: Explicitly announce ssd for kwin (*)
  73617ee... Avoid a heap-use-after-free (*)
  90ef388... testsuite: Fix a leak (*)
  100de32... Avoid a buffer overrun (*)
  6161168... modules: Simplify _gtk_get_module_path (*)
  295454d... searchbar: Fix documentation mishap (*)
  c225959... docs: Update border-size docs (*)
  949fb8a... gtkgstsink: Report allocation size even if no pool requeste (*)
  c2235ce... gtkgstsink: Use video_frame_free also for the GL path (*)
  2194421... widget: Fix can-focus (*)
  b85296b... docs: Add gtk_widget_grab_default to migration guide (*)
  0240db0... builder-tool: Translate GtkImage:pixbuf (*)
  9863528... Drop unused logo resource (*)
  e43376c... Remove vestigial glade support (*)
  08b1d2b... wayland: Signal gtk-shell surface destruction to the server (*)
  13724b6... node editor: Make help textview monospace (*)
  3a9c035... shader builder: Improve error output (*)
  f5bb580... docs: Remove stray code block end marker (*)
  4e6d62f... docs: Use the appropriate syntax for code block language (*)
  91549c2... docs: Escape bare tags (*)
  a2253ff... docs: Annotate XML fragments as such (*)
  f992308... build: Disable subproject Cairo tests (*)
  5f1a474... gtkgstsink: Sync texture before handing it to GDK (*)
  3990cd2... tests: Disable the textview-margins reftest (*)
  22fc7b3... nativedialog: Add more docs (*)
  0e2863a... Remove a forgotten file (*)
  f218190... gdk/toplevelsize: Remove warnings about exceeding bounds (*)
  7498e3b... css: Allow transitioning different-size shadows (*)
  05cfd09... x11: Handle X-specific targets in drops (*)
  4cd4d75... Adwaita: allow suggested and destructive action buttons in  (*)
  7af9d1f... css: Fix shadow value equal (*)
  e99fa00... docs: Mention css drop-shadow filter (*)
  d3d0324... vulkan: Fix image uploading by regions (*)
  bcd4068... css: Fix border value parsing (*)
  047c8f7... listbase: Don't specify the same thing twice (*)
  85b98cb... textbtree: Avoid line vs char count confusion (*)
  647bc9f... x11: A case of argument order confusion (*)
  44cb05c... messagedialog: Don't initialize twice (*)
  acb3e48... gdk: Remove a redundant check (*)
  7f9d89e... a11y: Avoid out-of-bounds access (*)
  284dd6a... css: Drop a bit of unreachable code (*)
  8099c46... treemodelfilter: Drop unreachable code (*)
  d43a6c0... docs: Rewrite the long description for GtkDialog (*)
  af1d187... gtkshow: Fix doc typo (*)
  d1695ed... iconbrowser: Make image dnd work again (*)
  cc55d66... meson: use correct module file extension on macOS (*)
  26b0554... x11: Some code cleanups (*)
  7e9f081... x11: Fix a memory leak (*)
  384f268... x11: Pass mimetypes when creating output stream (*)
  0b75188... x11: More dnd fixes (*)
  0f83e00... ci: Use v27 of the fedora image (*)
  039c407... Merge branch '4.0-backports' into 'gtk-4.0'

(*) This commit already existed in another branch; no separate mail sent