World of Warcraft Client Patch 3.0.8:

Priests

* Abolish Disease and Cure Disease can now be cast while in Shadowform.
* Holy: Circle of Healing now has a 6 second cooldown.
* Levitate is now castable on others.
* Mana Burn: Now burns a percentage of maximum mana.
* Shadow
* Shadowform: You can now shift into Shadowform while mounted or sitting.
* Vampiric Embrace- Mana cost of this spell has been removed.

Saludos.