3.17.4
======
* Fix fuzziness of app menu icon [Jakub; #747932]
* Implement 4 finger swipe gesture for touchpads [Carlos; #752250]
* Misc. bug fixes [Florian, Alexandre, Piotr, Ray, Mario; #751921, #659969,
  #752438, #752675]

Contributors:
  Piotr Drąg, Alexandre Franke, Carlos Garnacho, Florian Müllner,
  Mario Sanchez Prada, Jakub Steiner, Jasper St. Pierre, Ray Strode

Translations:
  Benjamin Steinwender [de], Pedro Albuquerque [pt], Fabio Tomat [fur],
  Matej Urbančič [sl], Daniel Mustieles [es], Yosef Or Boczko [he],
  Daniel Martinez [an]