3.9.91
======
* Drop man pages for removed utilities [Kalev; #706579]
* Add support for idle tracking [Giovanni; #706005]
* Skip CRTC reconfigurations that have no effect [Giovanni; #706672]
* Ignore skip-taskbar hints on parentless dialogs [Giovanni; #673399]
* Don't save pixbuf data in user data [Tim; #706777]
* Don't queue redraws for obscured regions [Adel; #703332]
* Turn blending off when drawing entirely opaque regions [Jasper; #706930]
* Check event timestamps before reconfiguring [Giovanni; #706735]
* Misc bug fixes [Giovanni, Colin, Seán, Jasper, Cosimo; #706582, #706598,
  #706787, #706729, #706825, #707081, #707090, #707250, #707267]

Contributors:
  Giovanni Campagna, Cosimo Cecchi, Adel Gadllah, Colin Guthrie, Kalev Lember,
  Tim Lunn, Jasper St. Pierre, Rico Tzschichholz, Seán de Búrca

Translations:
  Piotr Drąg [pl], Alexandre Franke [fr], Kjartan Maraas [nb],
  Milo Casagrande [it], Balázs Úr [hu], Seán de Búrca [ga], Fran Diéguez [gl],
  Daniel Mustieles [es], Aurimas Černius [lt], Gil Forcada [ca]