https://bugs.kde.org/show_bug.cgi?id=359327
--- Comment #28 from Vlad Zagorodniy <vladz...@gmail.com> --- I did some investigation... When steam launches a game, it leaves the fullscreen, which is sensible. After quitting a game, it seems like Steam enters the fullscreen mode back again, but NETWinInfo misses the corresponding client message. -- You are receiving this mail because: You are watching all bug changes.