Another update (v.9.1) called "Noches de Arabia" for Tropico 6 has been released for Linux on Steam:

Fellow Tropicans,
A new update for Tropico 6 is now available for free!

This adds many quality-of-life improvements plus, a completely new language (Arabic) to the game. It also fixes many bugs in both the main game and DLC. Check below for further details:

The huge update to version 29372 has been released for Transport Fever 2.

A complete changelog can be found here.

New major game update released
Transport Fever 2 - luftfisch_ug
We are very happy to be able to release another major game update today.

Attentat 1942 is now available for Linux on Steam!

Attentat 1942 is a historically-accurate adventure about World War 2.
Face moral dilemmas and existential struggles as you uncover the troubled past of your family.

ABOUT THIS GAME

After itch.io has released their special bundle, now also HumbleBundle releases their Humble Fight for Racial Justice Bundle including games, comics, books and audiobooks and donates everything for the good cause:

Humble Fight for Racial Justice Bundle

Black lives matter.

The "Sounds Rebalance Package" for the Euro Truck Simulator 2 has been released today for Linux on Steam:

With the Operation Genoa Bridge event still ongoing and the bridge nearing completion, you may have noticed that Euro Truck Simulator 2 received a small update on Steam earlier today. Don't worry, we did not release the next update behind your back. It was actually a focused, small but important mini-update that deserves explaining.

Just one week after the release of version 5.0-8, Valve now releases the version 5.0-9 of Proton:

5.0-9:

Fix running games that require the EA Origin client.
Fix crash in Final Fantasy XII: The Zodiac Age.

The new Update 1.5i for the theme-park-management-game Parkitect adds Vulkan rendering for Linux among other nice things:

This months update contains the following changes: