We have just shipped an updated Steam Deck Client to the Preview/Beta channel. Game Recording Today we’ve launched Steam Game Recording into Beta, a new built-in system for creating and sharing your gameplay footage, that works on any game on Steam. Go to the Game Recording website to learn all about it and how to try it out. General Client and OS beta settings been updated to include a new "Preview" build of SteamOS when available for testing.
SteamDeck公式情報
Steam Deck Beta Client Update: June 26th