if i drag a desktop file/folder to a different spot, then hover over a different file/folder, the file i moved might jump back. artix linux (base install), plasma, wayland. all packages up to date. bug 482572 sounds a bit similar but i'm only using one monitor, and it doesn't just "briefly" jump back, it jumps back and stays back.
actually you don't even need to hover over a different icon. you just need to move your mouse away from where you dropped the file.
happens with X11 too.
I can reproduce this sometimes. Operating System: Arch Linux KDE Plasma Version: 6.1.80 KDE Frameworks Version: 6.5.0 Qt Version: 6.7.2 Kernel Version: 6.9.9-arch1-1 (64-bit) Graphics Platform: Wayland
This was fixed for the final Plasma 6.2 release.