Ubisoft just tweeted out about an upcoming patch. Here is what they said.

Hello all,

Good news! We now have more information on the patches that will be deployed on WD. We apologize if you were affected by any of these issues, but we greatly appreciated your patience while we got this sorted.

A new patch for the game is coming on all platforms. The patch will be available for download on the PlayStation 4 in the next few hours. PlayStation 3 will be available shortly. For PC, the patch will be available in the coming days. For Xbox One and Xbox 360, the patch will be released within the next week. Well keep you updated on all progress.

Youll find the details below. If you have questions, please ask them in this thread and well try to be a specific as possible with our answers.

MAJOR GAME FIXES
Automatically reconstructed corrupted save files which prevented loading to go further than 90%. Some collectibles may remain unrecoverable.
Fixed the issue preventing players from using hacks in game.

GAMEPLAY FIXES
Fixed several mission-breaking bugs.
Fixed minor mission and item-related issues.
Fixed the issue that caused the empty weapon-wheel.

MULTIPLAYER FIXES
Fixed several minor respawn issues.
Fixed some connection and session joining issues.

PC SPECIFIC FIXES
Fixed graphical glitches on Low & Medium settings.
Fixed some crashes on SLI configurations.
Implemented several performance improvements.
Implemented a few control improvements.
Fixed issues causing infinite messaging and timing-out when trying to access the Online Shop from the Extras Menu while Uplay is set to Offline mode.
Fixed issues connecting to a Multiplayer game.
Implemented several mouse modifications.
Fixed Drinking Game control issue where wrong information was displayed when played with a gamepad.
Fixed Chess Game control issue.
Fixed bug where the invasion setting was never saved.
Fixed graphical issues during cut scenes and cinematics.
Fixed several graphical and texture bugs.
Removed Vista OS check to prevent false positives.
Added game version in main menu.



Love,
The WD Team