Render step, could be useful for previewing animations more quickly (from the Plumiferos team)
Method Window.SetPivot(PIVOT) for python API (from Malefico)
Full Mesh Deform modifier release log page. (with pictures)
And this only recently, though Mesh deform was out for a very short while now but still being improved upon. For those who animate or use animation controls for stills watch for new developments to come if Peach needs new stuff in this department or is yet to be announced.