I’m actually a little disappointed that it took me this long to suggest that
I think I was under the impression that we’d already tried that option and it didn’t work but clearly that was not the case. @rkasparek’s tip on the mouse not changing to the pointer type:
was what gave it away –
Hardware Acceleration issues often manifest in weird ways like this (usually GPU/graphics related). Blurred/mashed together text, strange artifacts on pages, screen flickering and sometimes even mouse behavior
Thank you both for your patience – glad this got resolved.