3.19.91
=======
* Add --nested CLI argument to fix nested wayland session [Jonas; #758658]
* Fix stack - scene graph stacking synchronization issues [Jonas; #755605]
* Rate-limit last-device changes to fix freezes [Carlos; #753527]
* Implement primary selection protocol [Carlos; #762560]
* Misc. bug fixes [Carlos, Jonas; #762878, #762716]

Contributors:
  Jonas Ådahl, Carlos Garnacho, Tim Lunn

Translations:
  Piotr Drąg [pl], Artur de Aquino Morais [pt_BR], Marek Černocký [cs],
  Cédric Valmary [oc], Mario Blättermann [de], Dušan Kazik [sk],
  Fran Dieguez [gl], Aurimas Černius [lt], Daniel Mustieles [es],
  Stas Solovey [ru], Yosef Or Boczko [he]