STEPS TO REPRODUCE 1. search for "mouse" kcm in the apps launcher and open it 2. increase the size of the window by dragging its bottom border 3. minimize the window 4. unminimize the window OBSERVED RESULT the window shrinks itself, it reverts to its initial (too small) size EXPECTED RESULT the window does not shrink itself SOFTWARE/OS VERSIONS Operating System: KDE neon Unstable Edition KDE Plasma Version: 5.16.80 KDE Frameworks Version: 5.60.0 Qt Version: 5.12.3 ADDITIONAL INFORMATION Also reproducible with plasma 5.16.3 on Void linux.
Bizarre!
Still reproducible only on X11. Operating System: Arch Linux KDE Plasma Version: 5.17.3 KDE Frameworks Version: 5.64.0 Qt Version: 5.13.2
Fixed now.