Buttons disappearing happens very often with LibreOffice suite and Pidgin. The only way to navigate to windows affected is by minimizing those in foreground. Launcher icon stays, but doesn't allow to show said windows.
Buttons disappearing happens very often with LibreOffice suite and Pidgin. The only way to navigate to windows affected is by minimizing those in foreground. Launcher icon stays, but doesn't allow to show said windows.