To understate things, there’s quite a few different issues in Assassin’s Creed: Unity that could do with fixing, and Ubisoft has revealed what they’ve got in store for the game’s upcoming third patch.
Patch 3 will be the biggest yet, and will apparently prevent some amusing bugs as Arno getting stuck in a hay cart, crowds floating into the air, and issues with the game’s co-op matchmaking and connectivity.
Other issues, like the prominent and distracting framerate drops, won’t be addressed just yet, but Ubisoft Montreal is looking at possible solutions. The studio hasn’t full finalised the contents of the third patch just yet, but they have revealed the issues they’re currently concentrating on;
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Gameplay: this includes bugs like Arno getting stuck on certain areas of the map (including a few more hay carts), problems with getting into/out of cover, character animation bugs, and general camera problems
AI & Crowd: in this category are problems with NPC animations, crowd events, and crowd stations, NPC navigation issues, as well as bugs related to NPCs detecting Arno’s activities in various situations
Matchmaking & Connectivity: this covers a number of issues related to co-op play, including bugs with joining games in-progress and problems that happen during host migration
Menus & HUD: fixes in this category will address missing details in certain menus, problems with some of the mission objective and co-op update pop-ups, localization inconsistencies, as well as some of the issues with menus and pop-ups overlapping each other
General Stability: this includes fixes for a number of crash situations we've identified in both campaign and co-op modes.
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Ubisoft encourages players experiencing problems to head over to the game’s forums and support page. Patch 3 should be out soon, but we have no set date yet.