As far as I can gather, Valve explicitly advises developers to avoid targeting Linux when building or optimizing for the Steam Deck, instead focusing on optimizing around Proton.
Only works on Ubuntu though last I heard (and not even downstream distros), which is somewhat unfortunate
As far as I can gather, Valve explicitly advises developers to avoid targeting Linux when building or optimizing for the Steam Deck, instead focusing on optimizing around Proton.