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Mastodon Announces Fediverse Discovery Providers
(wedistribute.org)
A community dedicated to fediverse news and discussion.
Fediverse is a portmanteau of "federation" and "universe".
Getting started on Fediverse;
It's an issue with content negotiation for the WordPress-ActivityPub plugin. Upstream is working on it some, we're using a recommended caching plugin to cut down on how often it happens.