Created attachment 131581 [details] screenshot SUMMARY Similar to bug 417836, only reproducible on X11. STEPS TO REPRODUCE 1. open system settings > input devices > keyboard 2. click on "Layouts" tab 3. check both "Show layout indicator" and "Show for single layout" options 4. set task manager to open a new instance on middle click 5. right-click on "Keyboard layout" applet in system tray, choose "Configure layouts..." 6. middle click on the entry of Keyboard kcm in the task manager OBSERVED RESULT error message shown in the attached screenshot EXPECTED RESULT no error message SOFTWARE/OS VERSIONS Operating System: KDE neon Unstable Edition KDE Plasma Version: 5.19.80 KDE Frameworks Version: 5.74.0 Qt Version: 5.15.0
it's no longer possible to open Keyboard KCM via "Keyboard layout" applet on Plasma 5.22 beta.