https://wccftech.com/assassins-creed-origins-1-2-update-out-today/

Ubisoft revealed that Update 1.2 for Assassin’s Creed Origins will go live today on all platforms. The patch is expected to weigh approximately 3GB on Xbox One and PlayStation 4, 2.6GB on UPlay (PC) and 1.2GB on Steam (PC).

Assassin’s Creed Origins Update 1.2 adds support for the upcoming The Hidden Ones story expansion (set to be released towards the end of the month, its plot takes place ten years after the events of the main game), adds a new quest and updates the loot item pool for the Heka Chest. You can find the full notes below.