Mastodon is a free and open-source software for running self-hosted social networking services. It has microblogging features similar to Twitter, which are offered by a large number of independently run nodes, known as instances, each with its own code of conduct, terms of service, privacy policy, privacy options, and content moderation policies.

Release Released Support Latest
4.2 8 months ago
(21 Sep 2023)
Yes 4.2.1
(10 Oct 2023)
4.1 1 year and 4 months ago
(10 Feb 2023)
Yes 4.1.10
(10 Oct 2023)
4.0 1 year and 6 months ago
(14 Nov 2022)
Ended 7 months ago
(31 Oct 2023)
4.0.12
(10 Oct 2023)
3.5 2 years ago
(30 Mar 2022)
Ended 5 months ago
(31 Dec 2023)
3.5.15
(10 Oct 2023)
3.4 3 years ago
(16 May 2021)
Ended 1 year and 7 months ago
(06 Nov 2022)
3.4.10
(14 Nov 2022)
3.3 3 years and 5 months ago
(27 Dec 2020)
Ended 2 years ago
(26 May 2022)
3.3.3
(30 Mar 2022)
3.2 3 years and 10 months ago
(27 Jul 2020)
No 3.2.2
(19 Dec 2020)
3.1 4 years ago
(09 Feb 2020)
No 3.1.5
(07 Jul 2020)
3.0 4 years and 8 months ago
(03 Oct 2019)
No 3.0.2
(27 Feb 2020)
2 6 years ago
(18 Oct 2017)
No 2.9.4
(27 Feb 2020)
1 7 years ago
(05 Feb 2017)
No 1.6.1
(17 Sep 2017)

Mastodon follows Semantic Versioning. Its support and EOL policy is not clearly defined, but supported releases are documented on its Security Policy page.

More information is available on the Mastodon website.

You should be running one of the supported release numbers listed above in the rightmost column.


You can submit an improvement to this page on GitHub :octocat: . This page has a corresponding Talk Page.

A JSON version of this page is available at /api/mastodon.json. See the API Documentation for more information. You can subscribe to the iCalendar feed at /calendar/mastodon.ics.