The update called "Great Works and Trade" for Civilization VI has been released by Aspyr for Linux on Steam.

This finally re-enables cross-platform multiplayer- games!

A new update, addressing issues that have emerged in the community following the release of the Antarctic Late Summer Game Update, is now available for Civilization VI. Please see below for details on this update.

[NOTES]

Great Works no longer use Drag and Drop. They have been returned to the previous functionality of “click to move.”

Addressed the following trade exploits reported within the community:
Fixed: User could trade low Gold-per-turn for high Gold-per-turn with AI players, essentially “stealing” large amounts of Gold.

Fixed: AI was not valuing Strategic resources correctly. You could sometimes trade 1 iron for 18 iron. Once you offered over 20 Strategic Resources, the value from the AI would drop to 1 Gold regardless of quantity. It now properly levels off.

Fixed: AI would give the player hundreds of Gold for a single Luxury Resource. While AI can give a healthy amount (Gold per turn plus some additional Gold) if they really need the Resource, it should rarely if ever be 10+ Gold per turn.

Fixed: The AI would give the player hundreds of Gold for very low quantities of Diplomatic Favor, regardless of whether they were pursuing a Diplomatic Victory or not. This should now be back in line with everything else, with offers weighted accordingly if the AI is chasing a Diplomatic Victory.