SUMMARY Some apps (By the looks of it the qt ones you guys write) show the popup menus you get from the menu bar on the edge of the screen. STEPS TO REPRODUCE 1. Plug in external monitor, extend display (I went to the right) 2. Open dolphin 3. Click "settings" OBSERVED RESULT The menu appears on the right edge of the monitor SOFTWARE/OS VERSIONS Linux/KDE Plasma: Neon 5.23 User Edition (available in About System) KDE Plasma Version: 5.23.5 KDE Frameworks Version: 5.89.0 Qt Version: 5.15.3 ADDITIONAL INFORMATION Couldn't reproduce on xorg Broken on dolphin, kdenlive Not broken for vlc, libre office
*** This bug has been marked as a duplicate of bug 438508 ***