I think used is an overstatement. They had a half-built gateway, but it wasn’t part of the main product anyone used (I used it, but their main apps did not)

Unfortunately this is largely mythological. There were very few efforts by major players towards truly adopting any standard or even open API.

Nothing nearly as big but FOSSY is organized on similar principles.

As a protocol and whole family of tech, I agree XMPP isn’t something to directly recommend. Inviting to my Snikket server or suggesting Quicksy goes much more smoothly.

Ah I didn’t notice those pages were using my old date format. I’ve updated to my new normal year-dayofyear