https://wccftech.com/shadow-of-the-tomb-raider-patch-forge/

A new Shadow of the Tomb Raider patch has been rolled out for all platforms which adds support for the Forge DLC and the new matchmaking gameplay functionally alongside various improvements.

PC patch #6 updates the game version on PC to build 1.0.237.6. For console owners, the patch updates the game to version 1.08.  The Forge DLC is the first of seven new DLC adventures for Shadow of the Tomb Raider, and allows Lara to uncover the secrets of Kuwaq Yaku.