(I was too worrywart posting this. Seems https://bugs.launchpad.net/compiz-pl...in/+bug/875557 still persists.)
(My original post is below. I don't know version of Compiz for bug reporting.)
Is it dangerous to half on my screen get orange tint? (Not the selection one)
It disappeared on restart, but left me wondering something is happening for my laptop.
(I use 22.04 LTS.)