STEPS TO REPRODUCE The blinking in the System settings appears when you move the mouse. If i stop moving the mouse at some random position the disappearing controls stay disappeared until i start moving the mouse cursor again / move it to a different position. OBSERVED RESULT Blinking. System Settings -> Appearance blinking: https://youtu.be/rPDwWdeDllE VS Code terminal blinking: https://youtu.be/MGajz14Y_xc EXPECTED RESULT No blinking SOFTWARE/OS VERSIONS Operating System: Arch Linux KDE Plasma Version: 5.23.5 KDE Frameworks Version: 5.89.0 Qt Version: 5.15.2 Kernel Version: 5.15.12-zen1-1-zen (64-bit) Graphics Platform: Wayland Processors: 8 × Intel® Core™ i5-8250U CPU @ 1.60GHz Memory: 7,6 GiB of RAM Graphics Processor: Mesa Intel® UHD Graphics 620
This also seems to appear in System Settings -> Startup and shutdown -> Autostart.
This is a graphics driver issue: https://gitlab.freedesktop.org/mesa/mesa/-/issues/5731