Valve has released the Version 4.2.8 of Proton in the Steam Client for Linux:

4.2-8:

The Steam Summer Sale 2019 has begun!

This time it will last until 09. July 2019.

As expected, the Steam Store is currently experiencing connection problems - so just be patient. :-)

EDIT: the connection problems have now been solved.

The huge "June 2019 Update" for Civilization VI: Gathering Storm has been released today for Linux (Note: same day as other platforms).

The list of changes is long, very long....

SteamWorld Quest: Hand of Gilgamech, the new card based RPG from the developers of SteamWorld Dig and SteamWorld Heist, is now also available DRM-free for Linux on GOG!

The huge fifth update for Tropico 6 (Codename "El Gigante”) incorporates feedback from the community:

Fellow Tropicans!
The update we are releasing today for Tropico 6 features many bug fixes, improvements and much more. We’re addressing a lot of issues raised by community feedback – so much so, that we have received that we gave it the name “El Gigante"

Over 300 changes were made to the game, covering balancing adjustments and many bug and crash fixes.

After yesterdays release of the Update 1.35, today sees the release of the (paid) DLCs Washington and Forest Machinery:

Only short after the Euro Truck Simulator 2 now also the American Truck Simulator receives the huge Update 1.35: