MediaWiki is a wiki engine, and mostly known as the software that powers Wikipedia, but it is also frequently used for other wikis.

Release Schedule Image Gantt Chart for MediaWiki
Release Released End-of-Life Latest
1.40 1 year ago
(30 Jun 2023)
Ended 6 days ago
(30 Jun 2024)
1.40.1
(29 Sep 2023)
1.39 (LTS) 1 year and 7 months ago
(30 Nov 2022)
Ends in 1 year and 4 months
(30 Nov 2025)
1.39.5
(28 Sep 2023)
1.38 2 years ago
(02 Jun 2022)
Ended 1 year ago
(30 Jun 2023)
1.38.7
(30 Jun 2023)
1.37 2 years and 7 months ago
(18 Nov 2021)
Ended 1 year and 7 months ago
(30 Nov 2022)
1.37.6
(29 Sep 2022)
1.36 3 years ago
(28 May 2021)
Ended 2 years ago
(03 Jun 2022)
1.36.4
(31 Mar 2022)
1.35 (LTS) 3 years and 9 months ago
(25 Sep 2020)
Ended 7 months ago
(30 Nov 2023)
1.35.13
(29 Sep 2023)
1.34 4 years and 6 months ago
(19 Dec 2019)
Ended 3 years and 7 months ago
(30 Nov 2020)
1.34.4
(24 Sep 2020)
1.33 5 years ago
(02 Jul 2019)
Ended 4 years ago
(30 Jun 2020)
1.33.4
(24 Jun 2020)
1.32 5 years ago
(10 Jan 2019)
Ended 4 years and 5 months ago
(24 Jan 2020)
1.32.6
(19 Dec 2019)
1.31 (LTS) 6 years ago
(13 Jun 2018)
Ended 2 years and 9 months ago
(30 Sep 2021)
1.31.16
(30 Sep 2021)

MediaWiki releases are made about every 6 months, with every fourth release (i.e. about every 2 years) being an LTS (Long-Term Support) release branch. LTS release branches receive security support and bug fixes for three years after their initial release, while non-LTS release branches are supported for one year after their initial release.

Since Version 1.36, MediaWiki only supports upgrading from two major long-term support releases (LTS) ago. Upgrades from older versions of MediaWiki will have to be performed in multiple steps.

More information is available on the MediaWiki website.

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

You can check the version that you are currently using by running:
https://your-server-url/mediawiki/Special:Version

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/mediawiki.json. See the API Documentation for more information. You can subscribe to the iCalendar feed at /calendar/mediawiki.ics.