Just a patch....

For an "intermediary" patch that enhances hardware support the latest 4.65 GB is a lot of download.... Makes me wonder what was in the "Other bug fixes & improvements".

http://forums.ubi.com/showthread.php/1603826-PC-Update-1-1-5-Announcement

Then again I'm viewing the game from the perspective of not having seen a problem (yet). That's not to say there are/were none.

http://forums.ubi.com/showthread.php/1600154-Known-Issues-Updated-March-9?s=f95cf5ed7decc319948066aa794670ed