Testing plasma 5.12 beta Wayland session on Arch Linux... The flickers shown in my video happen after I leave some of the KCMs below... display and monitor > displays application style > window decorations connections This bug does not occurs under X11.
Created attachment 109919 [details] demonstration
Can reproduce in Window Decorations and Connections - cannot in Display and Monitor Plasma: 5.12.4 Apps: 18.04.0 Frameworks: 5.45.0 Qt: 5.10.1 Kernel: 4.14.36-1-MANJARO OS: Netrunner Rolling Video: Intel 4400 Driver: xf86-video-intel 1:2.99.917+823+gd9bf46e4-1 Screen: 1600x900 wayland-protocols 1.13-1 wayland 1.14.0-1
cannot reproduce on Arch Linux running plasma 5.13.
Weird, but I have just changed my icon theme to papirus and now the problem is reproducible again.
Still reproducible on Arch Linux, plasma 5.13.5, when I leave window decoration kcm.
I can't reproduce with plasma 5.16 beta. Operating System: Arch Linux KDE Plasma Version: 5.15.90 KDE Frameworks Version: 5.58.0 Qt Version: 5.13.0 beta3