Valve Software has 52 repositories available. Follow their code on GitHub.
Whitelist] Spelunky (239350) · Issue #539 · ValveSoftware/Proton · GitHub
Possible fix to Valve CEG DRM found in Proton's Github? I don't own any CEG games to test sadly. : r/SteamDeck
No UX · Issue #8043 · ValveSoftware/steam-for-linux · GitHub
AMD: You are missing the following 32-bit libraries, and Steam may not run: libc.so.6 · Issue #792 · flathub/com.valvesoftware.Steam · GitHub
Far Cry 5 (552520) · Issue #2356 · ValveSoftware/Proton · GitHub, far cry 5 steam
incorecct rank · Issue #8874 · ValveSoftware/Dota2-Gameplay · GitHub
Update all queued instead of start immediately · Issue #5703 · ValveSoftware/steam-for-linux · GitHub
GitHub - ValveSoftware/wine: Wine with a bit of extra spice
Battlefield 4™ (1238860) · Issue #3994 · ValveSoftware/Proton · GitHub, kicked by punkbuster battlefield 4
Git Hum 5cur
CS2 Freezes upon reconnecting, CS2 freezes if there's been too much something in one match · Issue #3306 · ValveSoftware/csgo-osx-linux · GitHub, scp 055 containment breach
The state of Github bug tracker. : r/DotA2
Big Proton 8 Update is now Available for Steam Deck & Linux