Ubisoft is working hard on fixing a lot of the performance bugs and other problems with their latest game, Assassins Creed Unity for PS4 and Xbox One.

The latest patch number 4 is about 6,5Gb big and fixes lots of issues like Performance & Stability: Frame rate drops, game crashes, lost progression, Gameplay: Navigation, lock picking chests, Online: Connectivity, matchmaking, companion app and lots more.

The patch should auto download on your favorite console.

The full patch/changelog may be found below:

Patch 4 release date: December 16th
Platforms: PS4, Xbox One
PC coming later this week.
Size: 6.7 GB

Stability, Performance and Save Game

  • Fixed numerous random crashes both on Campaign and Coop
  • Implemented multiple optimizations and fixes to improve overall performance
  • Fixed save issue caused by the companion app on the main menu (loss of data)
  • Fixed save issue caused by contacts list (crash occurring). Users should now have access to save

Gameplay (navigation, fight, stealth)

  • Fixed various navigation issues
  • Fixed issues with lock picking chests
  • Fixed additional haystack issues

Character, AI and Crowd

  • Fixed various character, crowd station and NPC issues

Online, Matchmaking, Connectivity and Replication

  • Fixed various matchmaking and connection issues both in matches and when starting a match.
  • Fixed various issues with voice chat
  • Fixed join-in-progress issues
  • Fixed various replication issues between host and clients
  • Fixed issues with player rank and COOP/heist rewards
  • Fixed issues with Helix credits
  • Fixed issues with the My Club feature

Menus and HUD

  • Fixed HUD icon issues and issues with map information
  • Fixed various Initiates issues
  • Fixed additional issues with notifications

Mission tweaks (campaign, coop and side content)

  • Fixed various low occurrence walkthrough breaks in both Campaign and COOP
  • Fixed various NPC issues
  • Fixed issue with the quest log disappearing for specific side missions

World and 3D

  • Fixed various collision and mesh issues
  • Fixed additional issues where player would fall through the world
  • Fixed specific areas where textures were missing

PC-Specific

  • Fixed crash on “Quit to Windows” in free roam mode
  • Fixed crash on accepting multiple “Join the club” requests
  • Fixed issues with TXAA
  • Fixed issues with PCSS
  • Fixed issues with textures on NPCs
  • Fixed black texture issues on MSAA-4x, MSAA-8x and TXAA
  • Right Control now can be assigned as a hotkey
  • Minor UI fixes

The patch will be available for PC later this week.