4.11.1 (unstable):

Gdk and Gtk:
* Use callback functions with C linkage.
  (Kjell Ahlstedt) Issue glibmm#1 (Murray Cumming)

Gdk:
* Add Gdk::Graphene::Point, Rect and Size.
  They wrap the corresponding classes in the Graphene library.
  (Kjell Ahlstedt)
* Add class DragSurfaceSize.
* DragSurface: Add signal_compute_size().
* Surface: Add get/property_scale(). Deprecate create_similar_surface().
  (Kjell Ahlstedt)

Gtk:
* Snapshot: Add push_repeat(), push_clip(), append_cairo(),
  append_texture(), append_color() with Gdk::Graphene::Rect.
  Deprecate other push_clip(), push_clip(), append_cairo(),
  append_texture(), append_color() overloads. Add translate().
* Widget: Add compute_bounds() and compute_point().
  Deprecate translate_coordinates().
  (Kjell Ahlstedt)
* Add classes ColumnViewCell and ColumnViewRow.
* ColumnView: Add set/get/property_tab_behavior() and
  set/get/property_row_factory().
* Add enum ListTabBehavior.
* FlowBox and ListBox: Add remove_all().
* GridView and ListView: Add set/get/property_tab_behavior().
* ListItem: Add set/get/property_focusable().
  (Kjell Ahlstedt)

Build:
* Require gtk4 >= 4.11.1
  (Kjell Ahlstedt)