you didn't miss it, it's actually old news but not well explained. @mike.maxwell mentioned it back in mid-september, offering developers some code. @chuck.schwer responded 3 days ago with some of that code.
UDP sending is available but there's some unclarity around that word that implies receiving doesn't exist. An App that sends a UDP message CAN get a reply. "replies" to the same port, get sent to an app's Parse method, is my understanding, and that Broadcast UDP is not available.
Thus a developer could presumably try their hand at Lifx or similar.
The implication is that sending has to be first.
