Steam Family Groups. Valve announced the next major update [What’s new and how to test it]
On the evening of March 18, Valve released an update to the Steam beta, which introduced Family Groups with shared access to games.
Valve updates Steam — improved shopping cart and ability to hide games from friends
On the night of March 5, Valve released a Steam update that brought several new features. It was tested in the Steam beta from the end of December and now it has become accessible to all on the desktop client, mobile app, and Steam Deck.