SUMMARY With Breeze and KDecoration from the Plasma/6.0 branch, if a window is maximized moving the cursor to the top right corner of the screen quickly and clicking no longer closes the window. This makes closing maximized windows with the mouse less convenient since accurate positioning of the cursor is now required instead of being able to take advantage of Fitts' law. This is happening since https://invent.kde.org/plasma/kdecoration/-/merge_requests/56 and https://invent.kde.org/plasma/breeze/-/merge_requests/416 were merged. The master branch is not affected since the MRs were only applied for 6.0. STEPS TO REPRODUCE 1. Build Breeze and KDecoration from the Plasma/6.0 branch 2. Open a window and maximize it 3. Move the cursor to the top right corner of the screen 4. Click OBSERVED RESULT The maximised window is not closed, and the close button on the titlebar is not highlighted. EXPECTED RESULT The maximised window is closed. SOFTWARE/OS VERSIONS Operating System: Arch Linux KDE Plasma Version: 6.0.0 KDE Frameworks Version: 6.0.0 Qt Version: 6.6.2 Kernel Version: 6.7.6-arch1-1 (64-bit) Graphics Platform: Wayland
Can confirm. Note that this issue is only about native Wayland windows at integer scale factors; Fractionally-scaled windows suffer from the same issue for different reasons; see Bug 459373 and Bug 480171.
A possibly relevant merge request was started @ https://invent.kde.org/plasma/breeze/-/merge_requests/431
Git commit bbb930d3c67e4e2d9bcfb867a8a9a93ffbef005a by Akseli Lahtinen. Committed on 27/02/2024 at 09:50. Pushed by akselmo into branch 'Plasma/6.0'. kdecoration: Fix topright corner click when using fractional scaling hack Fixes the button click to take advantage of Fittz' law. M +3 -2 kdecoration/breezedecoration.cpp https://invent.kde.org/plasma/breeze/-/commit/bbb930d3c67e4e2d9bcfb867a8a9a93ffbef005a