Server indexes of places for newcomers to join can be instrumental for Fediverse adoption. However, sudden rule changes can leave some admins feeling pressure to change policies in order to remain listed.
A community index of servers added a new rule recently, that requires every participant to defederate from Threads.
A community dedicated to fediverse news and discussion.
Fediverse is a portmanteau of "federation" and "universe".
Getting started on Fediverse;