Created attachment 170695 [details] corner frames SUMMARY After upgrading to Plasma 6.1 top corners of some rounded decorated applications (e.g. Firefox) schows dark window frames (see attachement) STEPS TO REPRODUCE 1. Open Firefox on a bright desktop wallpaper OBSERVED RESULT window frame corners EXPECTED RESULT no frame corners visible SOFTWARE/OS VERSIONS Operating System: openSUSE Leap 15.6 KDE Plasma Version: 6.1.0 KDE Frameworks Version: 6.3.0 Qt Version: 6.7.1 Kernel Version: 6.4.0-150600.21-default (64-bit) Graphics Platform: Wayland Processors: 4 × Intel® Core™ i3-7100U CPU @ 2.40GHz Memory: 11.6 GiB of RAM Graphics Processor: Mesa Intel® HD Graphics 620
Issue seemed to be temporary because I was clearing cache directory . After session restart the problem is gone.