2025-11-26  Kjell Ahlstedt  <kjellahlstedt@gmail.com>

  4.21.1

2025-11-26  Kjell Ahlstedt  <kjellahlstedt@gmail.com>

  Gtk: Add new API from gtk 4.21.2

  * configure.ac:
  * meson.build: Require gtk4 >= 4.21.2
  * gtk/gtkmm/accelerator.[cc|h]: Add get_accessible_label().
  * gtk/src/application.hg: Add property_autosave_interval().
  * gtk/src/snapshot.hg: Add push_blend(), push_mask(), push_copy(),
  append_scaled_texture(), append_paste().

2025-11-26  Kjell Ahlstedt  <kjellahlstedt@gmail.com>

  Gsk, Gtk: Regenerate docs.xml and .defs files

  using gtk files from gtk 4.21.3. Update gtk_extra_objects.defs.

2025-11-16  Kjell Ahlstedt  <kjellahlstedt@gmail.com>

  Update gdk_docs_override.xml and gtk_docs_override.xml

  * gdk/src/gdk_docs_override.xml: Remove EventMask substitutions.
  * gtk/src/gtk_docs_override.xml: Remove EventMask and PackDirection
  substitutions. Substitute Glib::Error for GError. EventType -> Event::Type.