Check out this new article Wizards of the Coast posted recently:

D&D Next/Curse of Undeath

In this episode, host Mike Robles sits down with Jeremy Crawford and Rodney Thompson to discuss the latest news and events surrounding the D&D Next playtest—including the current packet's classes and the Isle of Dread. Then, Rodney and Peter Lee run through the latest Dungeon Command faction pack due for release this month: Curse of Undeath!