Created attachment 144990 [details] video1 SUMMARY This bug was previously mentioned in bug 417636 comment 34, I'm opening this report as requested by Nate. The headers of Kirigami apps have a flicker, in the attached videos we see the bug affecting System Settings, but I can also reproduce with other Kirigami apps like Kinfocenter (click on the sections in the left side), System Monitor (click on the pages in the left side) and Haruna video player (open settings and click on its sections in the left side). OBSERVED RESULT a flicker affects the header EXPECTED RESULT no flicker SOFTWARE/OS VERSIONS Operating System: Arch Linux KDE Plasma Version: 5.23.4 KDE Frameworks Version: 5.89.0 Qt Version: 5.15.2 Graphics Platform: Wayland
Created attachment 144991 [details] video2
Created attachment 144992 [details] vidoe3
Confirmed. I suspect this will require a rewrite of the header visibility and switching code as it is very complicated and difficult to understand right now and every attempt to fix bugs introduces new ones.
I can't reproduce this on current master. Could you test this again, please.
*** Bug 471070 has been marked as a duplicate of this bug. ***