SUMMARY STEPS TO REPRODUCE 0. maximize firefox/chromium on smaller resolution display 1. watch Video on YouTube double-click video to fullscreen (chromium, firefox both wayland) 2. press Meta+Shift+Left/Right to move window to higher resolution display 3. double-click on Video again OBSERVED RESULT window decoration claims window is maximized window does not fill all the available space (I assume the window is 1920x1080 big because I moved it from a 1080p Display) EXPECTED RESULT window fills the entire space of the bigger display SOFTWARE/OS VERSIONS Operating System: Bazzite 40 KDE Plasma Version: 6.2.0 KDE Frameworks Version: 6.7.0 Qt Version: 6.7.2 Kernel Version: 6.9.12-210.fsync.fc40.x86_64 (64-bit) Graphics Platform: Wayland Processors: 24 × AMD Ryzen 9 7900X 12-Core Processor Memory: 30.9 GiB of RAM Graphics Processor: AMD Radeon RX 6750 XT ADDITIONAL INFORMATION fractional scaling affects window size after step 3