The best ones are "A New Social" and "Nomadic Identity" ("Nomadic ActivityPub"?). Be sure to read those sections.
https://fediversereport.com/last-week-in-fediverse-ep-97/
@jupiter_rowland Yep! I hope more AP projects implement it!
Mastodon is the best way to keep up with what's happening.
Follow anyone across the fediverse and see it all in chronological order. No algorithms, ads, or clickbait in sight.