3.9.90
======
* Add support for _GTK_FRAME_EXTENTS [Jasper; #705766]
* Fix quick consecutive <super> presses breaking keyboard input [Alban; #666101]
* Work towards running as wayland compositor [Giovanni]
 - Add DBus API for display configuration
   [#705670, #706231, #706233, #706322, #706382]
 - Add abstraction layer for cursor tracking [#705911]
 - Add support for plugin modality under wayland [#705917]
* Disable GTK+ scaling [Alexander; #706388]
* Disable blending while updating tower [Robert]
* Misc bug fixes and cleanups [Adel, Jasper, Giovanni, Colin, Rico, Florian;
  #703332, #704437, #706207]

Contributors:
  Robert Bragg, Giovanni Campagna, Alban Crequy, Adel Gadllah,
  Alexander Larsson, Florian Müllner, Jasper St. Pierre, Rico Tzschichholz,
  Colin Walters

Translations:
  Jiro Matsuzawa [ja], Kjartan Maraas [nb], Matej Urbančič [sl],
  Marek Černocký [cs], Daniel Mustieles [es], Rafael Ferreira [pt_BR],
  Yaron Shahrabani [he], Ján Kyselica [sk]