For those of you who have experienced performance issues we want you to know that it is our top priority.
We've implemented a number of improvements in the latest update. If you haven't received it yet, check your download manager and request the update.
Additionally the default quality level has been changed to Good which provides a balance performance and quality.
Finally we've added an option to turn off the spectator camera which can significantly help performance while playing the game.
We will continue to focus on performance improvements with each update.