Very interesting stuff. This doesn't give a very cheerful picture of the current state though. Can a XMPP revival be in the cards? That would be an interesting outcome.

It's nice to see there are turn key solutions for hosting your own XMPP server nowadays. And the community behind this one even improve on the mobile applications.

Could XMPP make a come back if the user experience was better?

Facebook getting interested in the fediverse indeed looks like XMPP or OOXML all over again. Beware of those old tactics, they are very efficient against communities.

Not very scientific but gives a rough idea of which services are heavy or not in the fediverse. Matrix seems to be still dismal in that regard... I wonder if we'll see a revival of XMPP, that'd be very funny.