can you provide some hardware specs and a screenshot of the issue? Sounds super bizarre
Sure thing. It seems unaffected by vsync and my screen refresh rate. I gave myself a headache testing it, lol. I'm on a Lenovo Thinkpad T460s, 20GB RAM, i7-6600Ux4, Intel HD Graphics 520 (SKL GT2), Bluefin linux 41.20250504.2 (from Fedora Silverblue 41), Wayland, GNOME 47, Linux 6.13.8-200.fc41.x86_64.
And a video: