SUMMARY I can not restore any application from Icon-only Task Manger when there are two instances opened of this application, and another application is active. This happens when I am on a Wayland session. STEPS TO REPRODUCE 1. Open two instances of Dolphin. 2. Open another application. 3. Click on Dolphin icon from Icon-only Task Manager. OBSERVED RESULT You can switch back to Dolphin from Icon-only Task Manager. EXPECTED RESULT To switch back to Dolphin. SOFTWARE/OS VERSIONS Linux/KDE Plasma: KDE neon 5.20 User Edition KDE Plasma Version: 5.20.3 KDE Frameworks Version: 5.75.0 Qt Version: 5.15.1 ADDITIONAL INFORMATION When Dolphin is active, you can switch between its instances without any issues, but when another application is active, you can not switch back to Dolphin.
*** This bug has been marked as a duplicate of bug 426936 ***