https://bugs.kde.org/show_bug.cgi?id=488675
--- Comment #4 from Vlad Zahorodnii <vlad.zahorod...@kde.org> --- (In reply to Fabian Vogt from comment #3) > (In reply to Vlad Zahorodnii from comment #2) > > Is it an X and a Wayland client? xdg-toplevel windows are assumed to support > > fullscreen mode (unless the plasma surface extension is installed which > > changes the window type), so you're unlikely to see the dialog for wayland > > windows. X11 apps should be still fine. > > X11 I think. It's a Qt 5 application launched through xdg-su. Can you check the fullScreenable property of that window in kwin debug console? -- You are receiving this mail because: You are watching all bug changes.