In August, we made a lot of progress on backend code updates... and, we also had some holidays 🏖️ Here's the more in-depth version of what the team worked on, in our regular engineering update.

Mastodon Blog

Trunk & Tidbits, August 2025

Behind-the-scenes updates from the Mastodon team. A trip to FrOSCon, and a lot of preparation for quote posts.

In July, the team made great progress on several features planned for the next major release, and tackled some refactoring tasks. Take a look behind the scenes in our latest #TrunkAndTidbits update 👀

Mastodon Blog

Trunk & Tidbits, July 2025

Project updates from the Mastodon engineering team. This month: quote posts, Starter Packs, and more.

We just released Mastodon 4.4.3, 4.3.11, and 4.2.24. These versions contain bugfixes, and a fix for a security issue if you use SAML. In 4.4.3 there are also changes to how quote posts are handled, as we continue to work towards full support for quote posts in the next main release. Full release notes and update instructions are available on the GitHub releases page. #mastoadmin

GitHub

Releases · mastodon/mastodon

Your self-hosted, globally interconnected microblogging community - mastodon/mastodon

We just released Mastodon 4.4.2, 4.3.10, and 4.2.23. These versions all contain some internal Ruby dependency updates for security. Version 4.4.2 also includes some fixes, primarily for user interface issues. Full release notes and update instructions are available on the GitHub releases page. #mastoadmin

GitHub

Releases · mastodon/mastodon

Your self-hosted, globally interconnected microblogging community - mastodon/mastodon

Our monthly #TrunkAndTidbits engineering update is out. Looking back at June: behind the scenes on the 4.4 release, as well as all the other things the team has been working on. 🎇

Mastodon Blog

Trunk & Tidbits, June 2025

News from the Mastodon engineering team. Oh hey, did you hear that Mastodon 4.4 is out?

We just released #Mastodon 4.4.1, a small patch release fixing a few issues with 4.4.0. We recommend to install this version instead of 4.4.0 when you update your server. Full release notes and update instructions are available on our GitHub release page:

GitHub

Release v4.4.1 · mastodon/mastodon

This is a hotfix for 4.4, mostly addressing build and deployment issues with 4.4.0. Check out the 4.4.0 release notes for information. Upgrade over...

#mastoadmin

We just released Mastodon 4.3.9 and 4.2.23. They contain a number of important bug fixes, and one security-adjacent fix. If you are running nightly versions, an updated container image is available under the `nightly.2025-07-02` tag Full release notes and update instructions are available on our GitHub release page:

GitHub

Releases · mastodon/mastodon

Your self-hosted, globally interconnected microblogging community - mastodon/mastodon

#mastoadmin

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.

GitHub

Release v4.4.0-rc.1 · mastodon/mastodon

WarningThis is a pre-release! This has not been as widely tested as regular releases, although it is still tested on mastodon.social and some other...

We've released the second beta of #Mastodon 4.4 - including some UI fine tuning and new updates, additional integration for Fediverse Auxiliary Service Providers, and more progress on support for incoming quote posts. Please give it a try on your instance, if you can - we appreciate feedback. 🪧 Next up will be a Release Candidate, and then the full release itself 🤞🏻

GitHub

Release v4.4.0-beta.2 · mastodon/mastodon

WarningThis is a pre-release! This has not been as widely tested as regular releases, although it is still tested on mastodon.social and some other...

This week, we are excited to welcome @npub14048...fqef as our new product designer! In their words, a weaver of "pixels, words, and fibres" - look out for what's coming next to the Mastodon user experience 🎨 📏 Great to have you here, Imani!