http://www.joypadjunkie.com/pandaria.html .
In Cataclysm, we made some pretty radical adjustments to the talent trees. Some of those changes worked out really well, while others didn't really help us achieve the goals we set out to reach. We really liked offering players a choice of class specialization at level 10, for example, and how streamlining each of the talent trees made room for meaningful choices and greater character customization. We didn't like that there was still a lot of "bulk" left in the talent trees despite our clean-up efforts, though, and that it remained possible for players to "miss" really important performance talents. Looking back, we feel that the Cataclysm talent trees are roughly 80% composed of class role-defining talents that are crucial to rotations and performance, while the other 20% are interesting utility talents, and that's where the real choices were happening.
