STEPS TO REPRODUCE 1. start Wayland session 2. open system settings > window management > task switcher 3. under "Visualization", use the dropdown to select "Breeze" task switcher 4. click on button aside the dropdown (preview of the task switcher shows up) 5. click the same button again OBSERVED RESULT another preview of the same task switcher shows up EXPECTED RESULT the same behavior than on X11: the preview of the task switcher is closed SOFTWARE/OS VERSIONS Operating System: Arch Linux KDE Plasma Version: 5.15.2 KDE Frameworks Version: 5.55.0 Qt Version: 5.12.1
*** This bug has been marked as a duplicate of bug 374971 ***