Created attachment 165956 [details] Screenshot STEPS TO REPRODUCE 1. Add new "Application Menu Bar" panel to top of screen 2. Connect second screen and place it above existing screen 3. Maximize a window OBSERVED RESULT top screen has a small "dead" strip on the bottom. See screenshot EXPECTED RESULT top screen is unaffected by panel SOFTWARE/OS VERSIONS KDE Plasma Version: master KDE Frameworks Version: master Qt Version: 6.7 ADDITIONAL INFORMATION This does not happen when disabling floating for the panel
wayland or x11? on waylamnd can't reproduce here
I can reproduce this on Wayland with any panel that's on a shared screen edge.
To be clear, the panel has to be on a screen edge that's shared with another screen. When it de-floats, a blurry bar appears on the other screen.
Duping to Bug 481380 which has a video that better illustrates the issue. *** This bug has been marked as a duplicate of bug 481380 ***