[dabluecaboose]

I saw that page right after I made the comment and googled it, but it seemed a little light on details and I was suspicious that it was the old Steam Machines distro as opposed to the frankly quite pleasant distro on the Steam Deck.

EDIT: Yep [1], it looks like that page is for the old SteamOS

[1] https://repo.steampowered.com/steamos/README.txt