Valve has released another stable Steam-Client (21.12.2020) for Linux:
21 December - Steam Client Update Released
A new Steam client has been released and will be automatically downloaded.
Added a new game properties dialog, which replaces the old dialog for all Steam games.
Fixed displaying the coming soon date for a pre-loaded game
sc-controller, the Linux-user-mode-driver for the Steam- and other controllers (e. g. DS4), is now available as version 0.4.8.
Hip fire style action for trigger (implemented by @ren2r)
Another (paid) DLC called "Babylon Pack" for Civilization VI is now available for Linux on Steam!
This new content pack introduces Hammurabi as the leader of Babylon. The Babylon civilization excels at Science, as well as Government and Infrastructure.
Includes the Babylon civilization with Hammurabi, the Sabum Kibittum unique unit, and the Palgum unique building.