Same problem with my new computer:
OS: Ubuntu 21.04 (64 bits)
KERNEL: 5.11.0-38-generic
CPU: AMD Ryzen 9 5900X 12-Core
GPU: NVIDIA GeForce RTX 2070 SUPER
GPU DRIVER: NVIDIA 460.91.03RAM: 32 GB
Proton version: experimental (today version)
Nothing extracted yet.
Compatibility Report
System Information
I confirm:
Symptoms
No texture, just a strange render since 3.0.1 :
Before 3.0.1, no problem
Reproduction
Just start the game, after the movie.