Proton 5.21-GE-1 doesn't work suddenly

steam wine

Resetting steam was the solution, by typing "steam --reset" I should have tried this first

Related

Why isn't my sprint key working?
What game is shown at 10:22 in the video titled 'The Gaming Crash is coming'?
How does life-steal work in the original Diablo?
What are the skulls that the final boss throws at you?
Completing "You Only Die Once a Night" without Celerity?
How to make a objective list with scoreboard Minecraft Bedrock
How to protect a player from firework rocket explosion damage?
How do I make a continuous loop of minecart rails without the carts merging into one another?
How do I make redstone repeaters work?
What is the most feasible option to play (almost) all Zelda games? [closed]
What does the in-game score in Age of Empires II mean?
Howto free up space properly on my /var/lib/snapd filesystem when snapd is unavailable?