GE-Proton 10-17 was just released following on from GE-Proton 10-16 a few days ago, to further enhanced Windows games on Linux / SteamOS and Steam Deck.
Valve updated Proton Experimental for September 19th, adding their usual assortment of fixes for running Windows games new and old on Linux PCs and Steam Deck.
After a delay due to Hollow Knight: Silksong, the hilarious looking physics walking sim Baby Steps is Steam Deck Verified for the new September 23rd launch.