https://www.gamespot.com/articles/assassins-creed-odyssey-103-update-patch-adjusts-u/1100-6462473/

Assassin's Creed Odyssey has received an update aimed at squashing some bugs and issuing minor (but unspecified) quality-of-life features. The 1.0.3 update is now available, and the patch notes are relatively vague. Among its features are "quality-of-life and usability improvement" and "various 'game breaking' issues that could happen in specific conditions." It also says it improves performance and stability.

The patch notes end with a note promising more info. "Stay tuned for additional information concerning the changes included in 1.0.3," it says. GameSpot has contacted Ubisoft for more detail and will update if more information becomes available.