Square artifacts after baked lighting UE5.1 GPUlightmass

Fortunately 522.25 was the launch Driver for the 4090 so you should be able to use it without issue, if I discover newer driver versions working I’ll be sure to come back and update my post(s).

EDIT: - 531.18 seems to be the latest fix, so we can finally upgrade.

I will keep my posts updated.