It does, however, still work quite well with the Windows version via Steam Play Proton on desktop Linux and is Steam Deck Verified against the Windows version in Proton. So while it’s a loss of support for their Native build, it’s still fully playable on Linux.
As long as proton has good and proper support. Like not pushing an update for the game if it breaks proton for example. You know, actually test things and don’t make us feel like an after thought.