SUMMARY Reproducible on Wayland at least. STEPS TO REPRODUCE 1. open system settings > window management > task switcher 2. under "Visualization", click on the button to preview the task switcher selected in the dropdown 3. close the preview of the task switcher by pressing ESC 4. close system settings OBSERVED RESULT system settings got stuck in memory and can not be reopened until it is manually killed EXPECTED RESULT system settings should be completely closed after the last step SOFTWARE/OS VERSIONS Operating System: Arch Linux KDE Plasma Version: 5.19.0 KDE Frameworks Version: 5.71.0 Qt Version: 5.15.0
possibly related to bug 374971
Same thing, yeah. *** This bug has been marked as a duplicate of bug 374971 ***