Tumblr is making the move to WordPress. After its 2019 acquisition by WordPress.com parent company Automattic in a $3 million fire sale, the new owner has
So... if the backend gets moved over to Wordpress, and Wordpress can already federate, I guess this means Tumblr is coming to the fediverse? 😮
However I assume they will be migrating them to wordpress.com, which is their proprietary hosted solution, as opposed to wordpress.org, which is the open source software. Plugins don't work on wordpress.com free accounts, only paid ones. I believe outward federation is integrated into .com though.