We just tagged the release candidate for Mastodon 4.4.0 for testing. Full release notes and update instructions are available on our GitHub release page.

https://github.com/mastodon/mastodon/releases/tag/v4.4.0-rc.1

We've also shared a blog post about features that developers will want to know about coming in 4.4.

https://blog.joinmastodon.org/2025/07/mastodon-4-4-for-devs/