"Automattic confirmed to TechCrunch that when the migration is complete, every Tumblr user will be able to federate their blog via ActivityPub, just as every WordPress.com user can today."
https://techcrunch.com/2025/02/11/tumblr-to-join-the-fediverse-after-wordpress-migration-completes/
don't let transphobe matt mullenweg and his corpo buddies in! sign The Anti-Automattic ActivityPub Accord, Or, FediPact 2: The Car Hammer Explosion Pact and pledge to defederate them from your instance today!!!!!