~20.7 GB (Some users reported total patch package sizes up to Key Content & Features New Questline: "Those Who Are Treasured" takes you to Korfu Island
For users, this is mostly a "housekeeping" patch. It clears out deprecated event data (the weekly Orichalcum quests are no longer generating new content) and fixes a few lingering audio bugs. Assassin 39-s Creed Odyssey Update 1.56 Download