On Thu, Oct 5, 2017 at 7:57 PM, Elvis Angelaccio <elvis.angelaccio@xxxxxxx> wrote: > On giovedì 5 ottobre 2017 12:55:53 CEST, Aleksey Midenkov wrote: >> >> How turn off tree view expand/collapse animations? > > > You need to disable the animation setting of your style. From System > Settings: > > Application Style -> Widget Style -> Applications tab -> Configure button -> > Animations tab. Mmm... Tried it before and it didn't help. But thank you guys! You encouraged me to try harder and find the solution: 1. compile and run: QT_QPA_PLATFORMTHEME="qt5ct" qt5ct 2. Interface tab -> reenable 'Enable gui effects'; Apply 3. Uncheck it again; Apply