A new update for Civilization VI is available today for all Steam users. The update brings several highly-requested new features to the game for all players, including Steam Workshop and modding tools, plus multiplayer team functionality.
Amongst a host of other fixes the update adds a suite of development tools and the Steam Workshop Uploader, allowing players to access mods created by the Steam community and share mods with the Steam community. A large pack of game assets (including models, textures, and interface elements) is also available.
A complete rundown of the new update is available here.