Created attachment 138152 [details] bug SUMMARY STEPS TO REPRODUCE 1. Open System Settings and maximize the window; 2. Change a setting and click in apply; 3. Change to another setting category. OBSERVED RESULT The taskbar starts to flickering right after changing the setting and when changing from settings categories. EXPECTED RESULT SOFTWARE/OS VERSIONS Operating System: Kubuntu 21.04 KDE Plasma Version: 5.21.4 KDE Frameworks Version: 5.80.0 Qt Version: 5.15.2 Kernel Version: 5.11.0-16-generic OS Type: 64-bit Graphics Platform: X11 Graphics Processor: Mesa Intel® UHD Graphics 620 ADDITIONAL INFORMATION
Can confirm. This is a KWin thing IIRC.
Any setting? Is this reliably reproducible?
I can reliably reproduce it on X11 by changing the Task Switcher or adding new window rules (dunno about Wayland right now).
This is quite old, we have not got newer reports, we can assume it's fixed