The new update fixes problems with most of the major bugs like the often reported freeze-issues at certain points of the game as well as some incorrect behavior of the AI. The developers also worked on a huge list of minor bugs like graphic glitches and smaller issues like Steam achievements. There has also been some feedback about balancing issues and it has been tweaked based on that.
All bug-fixes and improvements will now allow you to experience a smoother gameplay in Blackguards 2. For the complete list of fixes of Patch 2.0, you can head over here.