I was originally going to copy paste the patch notes here, but there are SO MANY I actually hit the character limit for a post.
Take a gander. http://na.finalfantasyxiv.com/lodestone/topics/detail/03843d6bf7ba69adc37d7955ff7af43f3c43828a
Take a gander. http://na.finalfantasyxiv.com/lodestone/topics/detail/03843d6bf7ba69adc37d7955ff7af43f3c43828a