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Release branching Maintenance update bugfix Release candidate candidate Security security

Recent news

2026-06-30
Release MediaWiki 1.46.0 is now available.
2026-06-29
Security Security and maintenance release: 1.43.9 / 1.44.6 / 1.45.4 are now available.
2026-06-20
Maintenance updateTeam Challenges at Wikimania 2026: Registration for the Team Challenges closes on June 20th at 11pm UTC.

Older news

2026-05-01 to 2026-05-03
Maintenance update Wikimedia Hackathon 2026 in Milan, Italy. Registration closed March 30, 2026.
2026-04-01
Maintenance update Maintenance release: 1.43.8 / 1.44.5 / 1.45.3 is now available.
2026-03-31
Security Security and maintenance release: 1.43.7 / 1.44.4 / 1.45.2 are now available.
2026-03-25 to 2026-03-27
Maintenance update MediaWiki Users and Developers Conference Spring 2026 in Salt Lake City, Utah, USA.
2025-12-17
Maintenance update Maintenance release: 1.39.17 is now available.
2025-12-10
Security Security and maintenance release: 1.39.16 / 1.43.6 / 1.44.3 / 1.45.1 are now available.
2025-12-08
Release MediaWiki 1.45.0 is now available.
2025-10-03
Security Security and maintenance release: 1.39.15 / 1.43.5 / 1.44.2 are now available.
2025-10-02
Security Security and maintenance release: 1.39.14 / 1.43.4 / 1.44.1 are now available.
2025-10-28 to 2025-10-30
Maintenance update MediaWiki Users and Developers Conference Fall 2025 in Hanover, Germany.
2025-07-02
Release MediaWiki 1.44.0 is now available.
Maintenance update MediaWiki 1.42.x versions are now end of life.
2025-07-01
Maintenance update Maintenance release: 1.43.3
2025-06-30
Security Security and maintenance release: 1.39.13 / 1.42.7 / 1.43.2 are now available.
2025-04-11
Security Security and maintenance release: 1.39.12 / 1.42.6 / 1.43.1 are now available.
2024-12-21
Release MediaWiki 1.43.0 is now available.
Maintenance update MediaWiki 1.41.x versions are now end of life.
2025-05-14 to 2025-05-16
Maintenance update MediaWiki Users and Developers Workshop Spring 2025 in Sandusky, Ohio, USA at the NASA Armstrong Test Facility.
2025-05-02 to 2025-05-04
Maintenance update Wikimedia Hackathon 2025 in Istanbul, Turkey.
2025-02-03
Maintenance update Maintenance release: 1.42.5
2024-12-20
Maintenance update Maintenance release: 1.39.11, 1.41.5 and 1.42.4
2024-10-01
Maintenance update Maintenance release: 1.39.10, 1.41.4 and 1.42.3
2024-09-30
Security Security and maintenance release: 1.39.9 / 1.41.3 / 1.42.2 are now available.
2024-06-28
Maintenance update MediaWiki 1.40.x versions are now end of life.
2024-06-27
Maintenance update Maintenance release: 1.39.8 / 1.40.4 / 1.41.2 / 1.42.1
Release MediaWiki 1.42.0 is now available.
2024-11-04 to 2024-11-06
Maintenance update MediaWiki Users and Developers Conference Fall 2024 in Vienna, Austria.
2024-05-03 to 2024-05-05
Maintenance update Wikimedia Hackathon 2024 in Tallinn, Estonia.
2024-04-17 to 2024-04-19
Maintenance update MediaWiki Users and Developers Conference Spring 2024 in Portland, OR (USA). (View livestream)
2024-03-28
Security MediaWiki 1.39.7, 1.40.3 and 1.41.1 security releases are now available.
2023-12-21
Release MediaWiki 1.41.0 is now available.
Maintenance update MediaWiki 1.35.x versions are now end of life.
2024-02-03 to 2024-02-04
Maintenance update FOSDEM in Brussels, Belgium (Europe).
2024-01-05
Maintenance update Scholarship application deadline for Wikimedia Hackathon in Tallinn, Estonia (Europe).
Security MediaWiki 1.35.14, 1.39.6 and 1.40.2 security releases are now available.
2023-12-11 to 2023-12-13
Maintenance update SMWCon Fall 2023 (hybrid event)
2023-09-29
Maintenance update Maintenance release: MediaWiki 1.35.13
2023-09-28
Security MediaWiki 1.35.12, 1.39.5 and 1.40.1 security releases are now available.
2023-06-30
Release MediaWiki 1.40.0 is now available.
Security MediaWiki 1.35.11, 1.38.7 and 1.39.4 security releases are now available.
Maintenance update MediaWiki 1.38.x versions are now end of life.
2023-08-16 to 2023-08-19
Maintenance update Wikimania 2023 conference in Singapore.
2023-08-15 to 2023-08-19
Maintenance update Chaos Communication Camp near Berlin, Germany (Europe).
2023-05-19 to 2023-05-21
Maintenance update Wikimedia Hackathon in Athens, Greece (Europe).
2023-06-09
Release candidate MediaWiki 1.40.0-rc.0 pre-release is now ready for testing.
2023-04-19 to 2023-04-21
Maintenance update EMWCon in Austin, Texas, United States. View livestream.
2023-03-30
Security MediaWiki 1.35.10, 1.38.6 and 1.39.3 security releases are now available.
2023-03-11
Maintenance update MediaWiki is now on Mastodon! Follow us for updates at @mediawiki@wikis.world
2023-02-22
Maintenance update Maintenance release: MediaWiki 1.39.2
2023-02-04 to 2023-02-05
Maintenance update FOSDEM in Brussels, Belgium (Europe).
2022-12-22
Security MediaWiki 1.35.9, 1.38.5 and 1.39.1 security releases are now available.
2022-11-30
Release MediaWiki 1.39.0 is now available.
Maintenance update MediaWiki 1.37.x versions are now end of life.
2022-10-07
Release candidate MediaWiki 1.39.0-rc.1 pre-release is now ready for testing.
2022-09-29
Security MediaWiki 1.35.8, 1.37.5 and 1.38.3 security releases are now available.
Maintenance update Maintenance release: MediaWiki 1.37.6 and 1.38.4
2022-06-15
Maintenance update The Wikimedia Developer Portal has launched: Discover Wikimedia's technical areas and how to contribute!
2022-06-03
Maintenance update MediaWiki 1.36.x versions are now end of life.
2022-10-26 to 2022-10-28
Maintenance update SMWCon Fall 2022 (hybrid event)
2022-09-23
Release candidate MediaWiki 1.39.0-rc.0 pre-release is now ready for testing.
2022-07-08
Maintenance update Maintenance release: MediaWiki 1.37.4
2022-06-30
Security MediaWiki 1.35.7, 1.37.3 and 1.38.2 security releases are now available.
2022-06-06
Maintenance update Maintenance release: MediaWiki 1.38.1
2022-06-02
Release MediaWiki 1.38.0 is now available.
2022-05-20 to 2022-05-22
Maintenance update Wikimedia Hackathon 2022 (hybrid event)
2022-05-20
Release candidate MediaWiki 1.38.0-rc.1 pre-release is now ready for testing.
2022-04-20
Release candidate MediaWiki 1.38.0-rc.0 pre-release is now ready for testing.
2022-04-06 to 2022-04-08
Maintenance update EMWCon Spring 2022 (Houston, USA)
2022-03-31
Security MediaWiki 1.35.6, 1.36.4 and 1.37.2 security releases are now available.
2021-12-15
Security MediaWiki 1.35.5, 1.36.3 and 1.37.1 security releases are now available.
2021-11-18
Release MediaWiki 1.37.0 is now available.
2021-12-08 to 2021-12-10
Maintenance update SMWCon Fall 2021 (online)
2021-11-10
Release candidate MediaWiki 1.37.0-rc.2 pre-release is now ready for testing.
2021-11-04
Release candidate MediaWiki 1.37.0-rc.1 pre-release is now ready for testing.
2021-10-21
Release candidate MediaWiki 1.37.0-rc.0 pre-release is now ready for testing.
2021-09-30
Security MediaWiki 1.31.16, 1.35.4 and 1.36.2 security releases are now available.
Maintenance update MediaWiki 1.31.x versions are now end of life.
2021-05-20
Maintenance update #mediawiki IRC support channel is moving from Freenode to Libera Chat.
2021-06-23
Security MediaWiki 1.31.15, 1.35.3 and 1.36.1 security releases are now available.
2021-05-28
Release MediaWiki 1.36.0 is now available.
2021-05-21 to 2021-05-23
Maintenance update Wikimedia Remote Hackathon 2021 (online)
2021-04-08
Maintenance update MediaWiki 1.31.14 maintenance release is now available.
Security MediaWiki 1.31.13 and 1.35.2 security releases are now available.
2021-04-01
Maintenance update MediaWiki has a new logo.
2020-12-18
Maintenance update MediaWiki 1.31.12 maintenance release is now available.
2020-12-17
Security MediaWiki 1.31.11 and 1.35.1 security releases are now available.
2020-11-30
Maintenance update MediaWiki 1.34.x versions are now end of life.
2020-09-25
Release MediaWiki 1.35.0 is now available.
Maintenance update MediaWiki 1.31.10 and 1.34.4 maintenance releases are now available.
2020-09-24
Security MediaWiki 1.31.9 and 1.34.3 security releases are now available.
2020-09-15
Maintenance update A proposal to explore GitLab for code review to supersede Gerrit welcomes your developer feedback.
2020-11-24 to 2020-11-26
Maintenance update SMWCon Fall 2020 (online)
2020-09-04
Release candidate MediaWiki 1.35.0-rc.3 pre-release is now ready for testing.
2020-08-21
Release candidate MediaWiki 1.35.0-rc.2 pre-release is now ready for testing.
2020-08-07
Release candidate MediaWiki 1.35.0-rc.1 pre-release is now ready for testing.
2020-07-31
Release candidate MediaWiki 1.35.0-rc.0 pre-release is now ready for testing.
2020-06-24
Security MediaWiki 1.31.8, 1.33.4 and 1.34.2 security releases are now available.
2020-06-24
Maintenance update MediaWiki 1.33.x versions are now end of life.
2020-05-09 to 2020-05-10
Wikimedia Remote Hackathon 2020 (online)
2020-03-30
Maintenance update The Wikimedia Technical blog has been launched.
2020-04-01 to 2020-04-03
Enterprise MediaWiki Conference (online)
2020-03-26
Security MediaWiki 1.31.7, 1.33.3 and 1.34.1 security releases are now available.
2020-01-24
Maintenance update MediaWiki 1.32.x versions are now end of life.
2019-12-19
Release MediaWiki 1.34.0 is now available.
Security MediaWiki 1.31.6, 1.32.6 and 1.33.2 security releases are now available.
2019-11-05
Release candidate MediaWiki 1.34.0-rc.1 pre-release is now ready for testing.
2019-10-15
Maintenance update MediaWiki 1.31.5 and 1.32.5 maintenance releases are now available.
Release candidate MediaWiki 1.34.0-rc.0 pre-release is now ready for testing.
2019-10-07
Security MediaWiki 1.31.4, 1.32.4 and 1.33.1 security releases are now available.
2019-09-25 to 2019-09-27
SMWCon Fall 2019 in Paris, France. A live stream is available.
2019-07-02
Release MediaWiki 1.33.0 is now available.
Maintenance update MediaWiki 1.31.3 and 1.32.3 are now available.
2019-06-07
Maintenance update MediaWiki 1.27.7 is now available.
2019-06-06
Security MediaWiki 1.27.6, 1.30.2, 1.31.2, and 1.32.2 security releases are now available.
2019-05-17 to 2019-05-19
European Wikimedia Hackathon in Prague, Czech Republic.
2019-04-30
Maintenance update MediaWiki 1.32.1 is now available.
2019-04-03 to 2019-04-05
Enterprise MediaWiki Conference in Daly City, USA.
2019-01-11
Release MediaWiki 1.32.0 is now available.
2018-10-23 to 2018-12-13
A Wikimedia/MediaWiki development contest for 13-17 year old students is taking place. See Google Code-in/2018 for more information.
2018-09-20
Security MediaWiki 1.31.1, 1.30.1, 1.29.3, 1.27.5 security releases are now available.
2018-06-13
Release MediaWiki 1.31.0 release is now available
2017-12-12
Release MediaWiki 1.30.0 release is now available
2017-11-14
Security MediaWiki 1.29.2, 1.28.3, 1.27.4 security releases are now available.
2017-08-23
Maintenance update MediaWiki 1.29.1 bugfix release is now available
2017-07-13
Release MediaWiki 1.29.0 release is now available
2017-04-30
Security MediaWiki 1.28.2, 1.27.3 security releases are now available.
2017-04-11
Maintenance update MediaWiki 1.23.17 bugfix release is now available (fixes issue in 1.23.16 for PHP 5.3 installs)
2017-04-06
Security MediaWiki 1.28.1, 1.27.2, 1.23.16 security releases are now available.
2016-11-28
Release MediaWiki 1.28.0 release is now available
2016-08-22
Security MediaWiki 1.27.1, 1.26.4, 1.23.15 security releases are now available.
2016-08-02
The Wikimedia Developer Summit 2016 videos have been published to Commons.
2016-06-28
Release MediaWiki 1.27.0 release (LTS) is now available
2016-05-20
Security MediaWiki 1.26.3, 1.25.6, and 1.23.14 security releases are now available.
2015-12-21
Maintenance update MediaWiki 1.26.2, 1.25.5, 1.24.6, and 1.23.13 maintenance releases are now available.
2015-12-17
Security MediaWiki 1.26.1, 1.25.4, 1.24.5, and 1.23.12 security releases are now available.
2015-11-25
Release MediaWiki 1.26.0 is now available
2015-10-16
Security MediaWiki 1.25.3, 1.24.4, and 1.23.11 security releases are now available.
2015-08-10
Security MediaWiki 1.25.2, 1.24.3, and 1.23.10 security releases are now available.
2015-06-30
Maintenance update From MediaWiki 1.26wmf12 onwards, the old continuation mode of the API for action=query doesn't work (details).
2015-06-12
Security Wikimedia sites begin requiring HTTPS (including API requests)
2015-05-25
2015-03-31
Security MediaWiki 1.24.2, 1.23.9, and 1.19.24 security releases are now available.
2015-02-11
The VisualEditor project invites the community to participate in weekly triage meetings.
2014-12-17
Security MediaWiki 1.24.1, 1.23.8, 1.22.15 and 1.19.23 security releases are now available.
2014-11-26
Release MediaWiki 1.24.0 is now available.
2014-10-29
Maintenance update MediaWiki 1.23.6, 1.22.13 and 1.19.21 releases are now available.
2014-10-01
Security MediaWiki 1.23.5, 1.22.12 and 1.19.20 security releases are now available.
2014-09-24
Security MediaWiki 1.23.4, 1.22.11 and 1.19.19 security and maintenance releases are now available.
2014-08-27
Maintenance update MediaWiki 1.23.3 and 1.22.10 maintenance releases are now available.
2014-07-30
Security MediaWiki 1.23.2, 1.22.9 and 1.19.18 security and maintenance releases are now available.
2014-06-25
Security MediaWiki 1.23.1, 1.22.8, 1.21.11 and 1.19.17 security and maintenance releases are now available.
2014-06-05
Release MediaWiki 1.23.0 is now available.
2014-05-29
Security MediaWiki 1.22.7, 1.21.10 and 1.19.16 security and maintenance releases are now available.
2014-04-24
2014-04-02
Maintenance update MediaWiki 1.19.15 maintenance release is now available.
2014-03-27
Security MediaWiki 1.22.5, 1.21.8 and 1.19.14 security releases are now available.
2014-03-11
Security MediaWiki 1.19.13 security release is now available.
2014-02-27
Security MediaWiki 1.22.3, 1.21.6, and 1.19.12 security releases are now available.
2014-01-28
Security MediaWiki 1.22.2, 1.21.5, and 1.19.11 security releases are now available.
2014-01-13
Security MediaWiki 1.22.1, 1.21.4, and 1.19.10 security releases are now available.
2013-12-06
Release MediaWiki 1.22.0 is now available.
2013-12-03
Maintenance update MediaWiki 1.22.0rc3 is now available.
2013-11-17
Maintenance update MediaWiki 1.22.0rc2 is now available.
2013-11-14
Security MediaWiki 1.21.3, 1.20.8 and 1.19.9 security releases are now available.
2013-09-12
VipsScaler implementation by volunteer developer improves image handling on Wikimedia sites
2013-09-03
Security MediaWiki 1.21.2, 1.20.7 and 1.19.8 security releases are now available.
2013-05-29
Maintenance update MediaWiki 1.21.1 bug fix release is now available.
2013-05-25
Release MediaWiki 1.21.0 is now available.
2013-05-21
Security MediaWiki 1.20.6 and 1.19.7 security releases are now available.
2013-05-09
Watch & test the upcoming user discussion pages in Wikipedia / MediaWiki (more)
2013-04-30
Security MediaWiki 1.20.5 and 1.19.6 security releases are now available.
2013-04-17
Mobile testers: visit 3 pages. All mobile devices welcome!
2013-04-15
Security MediaWiki 1.20.4 and 1.19.5 security releases are now available.
2013-04-09
Kiwix for Android released
2013-04-08
Wikimedia has been accepted into Google Summer of Code.
2013-04-04
Join us this Saturday with Weekend Testing Americas and the upcoming Account creation UX
2013-03-13
Lua meets Wikipedia meetup in SF + video stream
2013-03-11
QA weekly goal: browser automation testing for Wikipedia search
2013-03-08
Wikimedia Hackathon in Amsterdam, May 24-26. Registration open.
2013-03-06
Join our Bug Day tomorrow and help triaging MediaWiki - General reports.
2013-03-04
Security MediaWiki 1.20.3 and 1.19.4 security releases are now available.
2013-02-22
2013-02-21
2013-02-20
MediaWiki extensions, gadgets, and modules at SCALE 11x - this weekend in Los Angeles.
2013-02-11
The MediaWiki community will apply to be part of the 2013 edition of Google Summer of Code (announcement).
2013-02-08
2013-02-05
2013-02-04
2013-01-31
2013-01-30
XOWA - A free, open-source, offline Wikipedia application (developer intro)
2013-01-29
2013-01-26
New Wikivoyage app for Android (Google Play link)
2013-01-25
2013-01-23
2013-01-19
2013-01-18
2013-01-17
2013-01-16
Intermittent outages planned, first Wikidata client deployment - The Signpost Technology report
2013-01-14
2013-01-11
2013-01-10
Wikimedia engineering December 2012 report
2013-01-09
2013-01-08
Diff 0.4 released
2013-01-07
2013-01-05
Wikimedia Foundation is looking for: Site Reliability Engineer
2013-01-03
2013-01-01
Wikimedia’s Bug Management
2012-12-04
1.20.2 released
2012-11-30
1.20.1, 1.19.3, 1.18.6 released
2012-11-07
1.20.0 released
2012-08-31
1.19.2, 1.18.5 released
2012-06-13
1.19.1, 1.18.4, 1.17.5 released
2012-05-02
1.19.0 released
2012-04-26
1.19.0 rc1 released
2012-04-26
1.18.3 released
2012-04-26
1.17.4 released
2012-03-27
Switch to Git: Complete for core & WMF extensions
2012-03-22
1.19.0 beta 2 released
2012-03-22
1.18.2 released
2012-03-22
1.17.3 released
2012-03-07
1.19.0 beta 1 released
2012-02-29
Switch to Git: March 21
2012-02-26
Switch to Git in one week
2012-01-11
1.18.1 released
2012-01-11
1.17.2 released
2011-11-28
1.18.0 released
2011-11-28
1.17.1 released
2011-11-18
1.18.0rc1 released
2011-11-04
1.18 beta 1 released
2011-06-22
1.17.0 released
2011-06-14
1.17.0rc1 released
2011-05-05
1.17 beta 1 released
2011-05-05
1.16.5 released
2011-04-14
1.16.4 released
2011-04-12
1.16.3 released
2011-02-01
1.16.2 released
2011-01-04
1.16.1 released
2010-07-28
1.16.0 and 1.15.5 released
2010-05-28
1.15.4, 1.16.0 beta 3 released
2010-04-07
1.15.3, 1.16.0 beta 2 released
2010-03-12
1.16.0 beta 1 released
2010-03-08
1.15.2 released
2009-07-13
1.15.1, 1.14.1 released
2009-06-10
1.15.0 released
2009-05-16
1.15.0rc1 released
2009-02-22
1.14.0, 1.13.5 released
2009-02-07
1.13.4, 1.12.4, 1.6.12, and 1.14.0rc1 released
2008-12-15
1.13.3, 1.12.2, 1.6.11 released
2008-10-02
1.13.2, 1.12.1 released
2008-09-06
1.13.1 released
2008-08-14
1.13.0 quarterly release
2008-08-11
1.13.0rc2 release candidate
2008-07-25
1.13.0rc1 release candidate
2008-03-20
1.12.0 quarterly release
2008-03-11
1.12.0rc1 release candidate
2008-03-02
1.11.2 security update, 1.10.4, 1.9.6 bugfix updates
2008-01-23
1.11.1, 1.10.3, 1.9.5 security updates
2007-09-10
1.11.0 new stable branch
2007-09-10
1.10.2, 1.9.4, 1.8.5 security updates
2007-09-05
1.11.0 branch release candidate
2007-07-23
MediaWiki 1.11.0 release will be held back until mid-August, after the Wikimania 2007 conference, to allow for better testing of new features.
2007-07-13
1.10.1 bugfix release
2007-05-09
1.10.0 new stable branch
2007-05-04
1.10.0 branch release candidate
2007-04-30
1.10.0 branch release candidate
2007-04-12
MediaWiki 1.10.0 release will be held back until the latter half of April to allow for better testing, performance tuning
2007-02-20
1.9.3, 1.8.4, 1.7.3, 1.6.10 security fix releases
  • Security Patched Internet Explorer-specific XSS vulnerability in non-default configuration (with experimental AJAX features enabled).
2007-02-04
1.9.2 fix release
  • Security Patched XSS vulnerability in sortable tables; all 1.9 users should upgrade.
  • Maintenance update Fixes to Creative Commons license configuration, optional storage compression.
2007-01-24
1.9.1 bug fix release
  • Maintenance update Fixes to installation/upgrade, IIS, Opera/Mac and Firefox/X11 tooltip labels, security fix for optional DjVu support, and other fixes.
2007-01-10
1.9.0 new stable branch
2007-01-09
1.9.0rc2 testing release; 1.8.3, 1.7.2, 1.6.9 security fix releases
  • Security Patched XSS vulnerability in non-default configuration (with experimental AJAX features enabled).
2006-10-13
1.8.2 bug fix release
  • Maintenance update Fix for non-ASCII namespaces on Windows servers.
2006-10-11
1.8.1 bug fix release
  • Maintenance update Installer PHP 5 check, register_globals paranoia, disabled potentially information-leaky backtraces.
2006-10-10
1.8.0 new stable branch
2006-07-08
1.7.1, 1.6.8 bug fix releases
  • Maintenance update Fixed some installer issues in 1.7.
  • Security Potential XSS with vulnerable PHP versions patched.
2006-07-07
1.7.0 new stable branch
2006-06-06
Fix for XSS in 1.6 branch
  • Security All 1.6 installations should upgrade to 1.6.7. 1.5.x and earlier may be affected by some problems with extensions.
2006-05-23
Fix for XSS in 1.6 branch
  • Security All 1.6 installations should upgrade to 1.6.6. 1.5.x and earlier not affected.
2006-05-02
1.6.5 more fixes
  • Maintenance update Various fixes for other corner cases. 1.6.4 was slightly buggy.
2006-04-10
1.6.3 installer fixes
  • Maintenance update Installation on MySQL 4.0 older than 4.0.18 should work again.
2006-04-08
1.6.2 extension fixes
  • Maintenance update Extension tags with "/" in parameters work again. Some more installer fixlets.
2006-04-05
1.6.1 installer fixes
  • Maintenance update A few bugs affecting some installs on 1.6.0 fixed.
2006-04-05
1.6.0 new stable branch
2006-03-26
1.5.8 and 1.4.15 fix XSS injection bug
  • Security HTML injection in encoded page links.

See also