meanwhile, if you enable HBAO+ the game looks correct again.
i tried to enable PROTON_LOG=1 to see if it outputs something useful but it did fix the issue, then i disabled PROTON_LOG again and it was broken so might be a race condition
my GPU is a RX 560 4 GB and that's with RADV from the Arch repos (Mesa 22.1.7)
SSAO and CACAO break the game rendering:

meanwhile, if you enable HBAO+ the game looks correct again.
i tried to enable PROTON_LOG=1 to see if it outputs something useful but it did fix the issue, then i disabled PROTON_LOG again and it was broken so might be a race condition
my GPU is a RX 560 4 GB and that's with RADV from the Arch repos (Mesa 22.1.7)
gonna post the proton log output anyway...
steam-418370.zip