Originally Posted by DArtagnan
Frankly, I haven't followed EU4 that closely. I gave up after Hearts of Iron 3 - which was a huge mess upon release.
For me, the biggest letdown initially was that the game shipped with loads of bugs and felt like it had a memory leak on my system that would bring it to a crawl after a relatively short amount of play time. Fortunately since then the game has had a couple of patches, and the last one along had literally hundreds of fixes to issues from AI to bugs to balancing and so on. After the 1.2 patch I never had a single issue with apparent bugs or performance degradation.