Ubisoft has confirmed that they plan to release a patch for Assassin’s Creed 3 by the end of next week in order to address the issues it has. The update will fix the long list of bugs that is plaguing both the single player and online portions of the game. It will also include some balancing tweaks to improve your gameplay experience.
This is the second patch to hit the game. The first patch was released on launch day for the game and did little to help the problems that plagued the game. You can read the full list of changes on the official forums.