SUMMARY On Wayland, app menus invoked from the button in window decorations open as separate windows with titlebars and are unusable. STEPS TO REPRODUCE 1. Log in to `Plasma ([Full] Wayland)` 2. In System Settings, configure window decorations to contain an app menu button 3. Launch e.g. Kate/Konsole 4. Click the app menu button OBSERVED RESULT Root menu opens as a window with a titlebar, centered on top of the parent window. EXPECTED RESULT The menu acts like a menu would :D SOFTWARE/OS VERSIONS Operating System: openSUSE Leap 15.2 KDE Plasma Version: 5.20.90 KDE Frameworks Version: 5.78.0 Qt Version: 5.15.2
*** This bug has been marked as a duplicate of bug 430662 ***