It came to my attention that steam users have problems downloading needed files to play the game. I'm very sorry, that this problem is addressed so late, since I've been busy working.
If problem is not resolved for you, you can write about it anywhere, I will be alerted until it goes away.
Linux Depot fix
Source: Steam Community (opens in a new tab)
Build and release context
Steam update times within 24 hours of this post. Matching dates do not confirm which build it describes.
Build 15468973 · public branch
Steam updated · First observed