3.22.3 (stable):

Unusually for a stable micro release, this release has some deprecations
compared to 3.22.2, to match similar deprecations in GTK+ 3.22.x.

Gdk:
* Deprecate screen_width(), screen_height(),
    screen_width_mm(), screen_height_mm(), flush().
  (Kjell Ahlstedt)

Gtk:
* CellRendererPixbuf: Fix property_surface()
  (Kjell Ahlstedt) Bug #788513 (Alexander Shaduri)
* AboutDialog: Fix ref count in get_logo()
  (Kjell Ahlstedt)
* MenuItem: add_accel_label(): Make sure accelator keys are shown.
  (Christian Schoenebeck)
* Settings: Undeprecate property_gtk_cursor_blink(),
    property_gtk_cursor_blink_time(), property_gtk_cursor_blink_timeout(),
    property_gtk_entry_password_hint_timeout().
  (Kjell Ahlstedt)

Demos:
* Update some demo programs.

Build:
* Replace the Visual Studio project files with MSVC NMake project files
  (Chun-wei Fan) Merge request !6