Here’s a video of it to better illustrate that:
It only occurs when there’s a monitor connected but turned off. The issue disappears when I turn it on and it doesn’t happen again when the monitor is turned off again
Specs:
Operating System: Fedora Linux 41
KDE Plasma Version: 6.3.1
KDE Frameworks Version: 6.11.0
Qt Version: 6.8.2
Kernel Version: 6.12.15-200.fc41.x86_64 (64-bit)
Graphics Platform: Wayland
Processors: 12 × AMD Ryzen 5 3600 6-Core Processor
Memory: 16.7 GB of RAM
Graphics Processor: AMD Radeon RX 6750 XT
I have also filed a bug report
https://bugs.kde.org/show_bug.cgi?id=500585