Created attachment 186987 [details] screen recording STEPS TO REPRODUCE 1. open window 2. more mouse cursor inside plastik decoration maximize button 3. press left mouse button 4. move mouse cursor outside plastik decoration maximize button 5. release left mouse button OBSERVED RESULT window maximizes EXPECTED RESULT window doesn't maximize (like oxygen and breeze decorations) SOFTWARE/OS VERSIONS Operating System: openSUSE Tumbleweed 20251118 (opensuse krypton) KDE Plasma Version: 6.5.80 KDE Frameworks Version: 6.21.0 Qt Version: 6.10.0 Kernel Version: 6.17.7-1-default (64-bit) Graphics Platform: Wayland ADDITIONAL INFORMATION this is not wayland-specific, also happens on x11
*** Bug 513924 has been marked as a duplicate of this bug. ***
It will be fixed in 6.6 with the rewrite of Aurorae.