Wizards has released an update to the Mystic class for 5th edition. The updated class goes all the way to 20th level, and now features six subclasses: Avatar, Awakened, Immortal, Nomad, Soul Knife and Wu Jen. This is still a playtest stage, so WotC will be taking feedback. Take a look in this week's Unearthed Arcana
This is a companion discussion topic for the original entry at http://athas.org/news/393