SUMMARY DPI change when dragging between two monitors of the same resolution causes visual glitches. See linked imgur gallery. STEPS TO REPRODUCE 1. Global scale 200% 2. Drag the window between monitors 3. It has glitched out 3. To fix: Change font size up/down and then reset it for proper font size OBSERVED RESULT https://imgur.com/a/2VG3EPn EXPECTED RESULT It scales without glitches SOFTWARE/OS VERSIONS Operating System: Fedora 33 KDE Plasma Version: 5.19.5 KDE Frameworks Version: 5.75.0 Qt Version: 5.15.1 Kernel Version: 5.9.8-200.fc33.x86_64 OS Type: 64-bit Processors: 8 × Intel® Core™ i7-10510U CPU @ 1.80GHz Memory: 31.0 GiB of RAM Graphics Processor: Mesa Intel® UHD Graphics
Also affects KMail