Created attachment 139200 [details] System working fine on x11 (attachment 1 [details]) SUMMARY I have 2 displays (same models). After trying wayland kscreen configuration broken on X11, can not be fixed via gui. STEPS TO REPRODUCE 1. System working fine on x11 (attachment 1 [details]) 2. Start wayland, everything very small on 4k displays, go to kscreen and change both displays to 200% 3. Qt apps are scaled correct, mouse cursor extremely HUGE, Gtk apps like firefox is blurry (attachment 2 [details]) 4. Go back to X11. OBSERVED RESULT everything is broken, part of screen is duplicating, other part in wrong place (attachment 3 [details], screenshot not showing how bad things really are) SOFTWARE/OS VERSIONS Linux/KDE Plasma: arch linux KDE Plasma Version: 5.22.0 KDE Frameworks Version: 5.82.0 Qt Version: 5.15.2
Created attachment 139201 [details] Qt apps are scaled correct, mouse cursor extremely HUGE, Gtk apps like firefox is blurry
Created attachment 139202 [details] everything is broken, part of screen is duplicating, other part in wrong place (attachment 3 [details])
Also fix for x11 is removing .local/share/kscreen/
Please check it can be reproduced with only 1 monitor attached.
Created attachment 139209 [details] after changing one display scale It do not brakes config when only one display connected (scaling on wayland still broken) and i got this strange configuration on X11 after (just visual, everything works fine)
*** This bug has been marked as a duplicate of bug 429236 ***
*** This bug has been marked as a duplicate of bug 365865 ***