So, 4.0.6 had two incredibly awesome buffs that aren’t really documented anywhere.
First, when I got bored in an instance, I shifted into tree and hit /dance. To my surprise, it actually DANCED!
Tree form also has an “idle” animation (ie. what tree does while you are not casting):
Also, after weeks of flight training, I’m also happy to report that my baby moonkin pet has taken to the air!
That said, I’m not sure what other animations tree form has or what other goodies may have shown up in 4.0.6.