Projects that the Ning 3.0 Team is currently working on:
Welcome Message Template Editing - We're going to make it simple to customize the Welcome Message that's sent out to new members when they join your network.
APIs - The ability to create new members and content programatically.
Design Studio Updates - New design capabilities, new themes, and controls that you've asked for. Released 2/27/14.
For more information on what's next, visit the Product Roadmap.