@deadsuperhero @fediverse FEP-ef61 is what Mike was implementing and rolled out in production this summer. It's not like we didn't advertise that. All work on this FEP (and ones that precede it) was done in public channels, it's really hard to miss if you're interested in nomadic identity.
Give @weekinfediverse a follow. It provides a concise summary of what is happening in Fediverse