4.4.0 (stable):

Gdk:
* PixbufAnimation: Add create_from_stream(), create_from_stream_async(),
  create_from_stream_finish(), create_from_resource().
  (Kjell Ahlstedt)
* ContentFormats: Add parse().
  Display: Add prepare_gl().
  GLContext: Deprecate get/property_shared_context(). Add is_shared().
  (Kjell Ahlstedt)

Gtk:
* Add EventControllerLegacy.
  (BogDan Vatra) Merge request !64
* DropDown::get_selected_item(), ListItem::get_item(),
  SingleSelection::get_selected_item(), TreeExpander::get_item(),
  TreeListRow::get_item(): Don't try to dynamic_cast the return value
  to Glib::Object. It fails if the object has been constructed as
  an interface.
  (Kjell Ahlstedt)
* Fixed the const versions of Assistant::get_page(), NoteBook::get_page()
  and Stack::get_page(). Fixed MediaControls::set_media_stream() and
  Video::set_media_stream().
  (Kjell Ahlstedt)
* Application, Window: Swap inclusions. Include window.h in application.h
  instead of application.h in window.h.
  === Note === This will affect compilation of code that uses Application
  without including gtkmm/application.h.
  (Kjell Ahlstedt)
* DropTarget: Deprecate get/property_drop(). Add get/property_current_drop().
  FileFilter: Add add_suffix().
  MediaStream: Deprecate prepared(), unprepared() and ended().
  Add stream_prepared(), stream_unprepared() and stream_ended().
  MenuButton: Add set/get/property_always_show_arrow() and
  set/get/property_primary().
  TextView: Add set/get_rtl_context() and set/get_ltr_context().
  (Kjell Ahlstedt)

Demos:
* Images, SizeGroup, ListStore and TreeStore demos: Minor fixes.
  (Kjell Ahlstedt)
* Add Add ColumnView demo.
  (Kjell Ahlstedt)

Build:
* Require gtk4 >= 4.4.0.
  (Kjell Ahlstedt)