Beta Release 36 adds support for the Limitless VR Interactive Character platform.
That's it!
You can read more about this new tech here on the High Fidelity blog:
http://blog.highfidelity.com/blog/2017/3/29/creating-npcs-with-the-limitless-system
We'll be posting instructions on how to use Limitless to make interactive NPCs for your domains in the near future.