Proton 5.13 and Optimus
Julius Nov 6, 2020
Seems like Proton 5.13 broke the official way of running games on Nvidia GPUs on Optimus laptops.

See: https://www.reddit.com/r/SteamPlay/comments/jkj0yk/proton_513_games_dont_run_on_the_gpu_but_on_the/

https://github.com/ValveSoftware/steam-runtime/issues/274

Kind of sucks and I hope this will be fixed soon.
Julius Nov 6, 2020
I switched to the current Steam Beta and it looks like it was fixed there. Need to test a bit more.
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