TempWelcome

Welcome to MediaWiki.org

MediaWiki is a free software open source wiki package written in PHP, originally for use on Wikipedia. It is now also used by several other projects of the non-profit Wikimedia Foundation and by many other wikis, including this website, the home of MediaWiki.

Use the links below to explore the site contents. You'll find some content translated into other languages, but the primary documentation language is English.

For general questions about MediaWiki see the communication page or ask at the support desk.

About this site   |   About MediaWiki   |   Download   |   Help and support   |   Contribute

Using MediaWiki

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What is a wiki?

• Learn how to navigate
• Learn how to edit a page
• Get more help

System Administration

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Install & configure MediaWiki

• Upgrade an existing MediaWiki installation
• Add features with third-party extensions
• Get more sysadmin help

Developing & Extending

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Become a MediaWiki hacker

• Learn to use our APIs
• Write extensions or create your own skin
• Browse the developer docs and class reference
• Already a hacker? Visit the developer hub

Current version

• 1.29.1 – 2017-08-23
  
• 1.28.2 – 2017-04-30
  
• 1.27.3 – 2017-04-30
  

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News

Recent news

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.

Older news

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
•  Note: MediaWiki 1.25.x versions are now end of life.

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

• Maintenance update MediaWiki 1.25.1 maintenance release is now available.
• Release MediaWiki 1.25.0 is now available, and 1.19 is officially EOL.

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.
• Security MediaWiki 1.23.7, 1.22.14 and 1.19.22 security releases are 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

• Security MediaWiki 1.22.6 and 1.21.9 security releases are now available.
• Release MediaWiki 1.23.0 release candidate is now available.

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.
• Maintenance update MediaWiki 1.22.4 and 1.21.7 are 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

• Wikipedia starts supporting the Lua scripting language for writing templates
• Video: Wikimedia & wikiHow mobile updates

2013-02-21

• Smartphone photographers: join the Wikimedia Commons mobile uploads testing week, starting on Feb 25.
• The Signpost Technology report: Better templates and 3D buildings.

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

• PageImages extension aims to return the single most appropriate thumbnail associated with an article.
• Echo: A new notification system for Wikipedia
• Mediawiki is on Packagist
• How to hack on Wikipedia presentation at FOSDEM - video & slides

2013-02-05

• The Signpost Technology report: Wikidata team targets English Wikipedia deployment
• Commons app project starts releasing nightly builds of Android version for testing.

2013-02-04

• From duct tape to puppets: How a new data center became an opportunity to do things right
• Wikipedia Mobile Hits 3 Billion Monthly Page Views
• Kiwix project leader interview.
• Wikimedia IdeaLab is an experiment in user-friendly grantmaking - applies to software projects as well.

2013-01-31

• Our sessions at FOSDEM:

  How MediaWiki is tested

  Research / Data Analyst

  How to hack on Wikipedia

• GeoData: a new age of geotagging on Wikipedia - based on the GeoData extension
• The Signpost technology report: Developers get ready for FOSDEM amid caching problems

2013-01-30

• XOWA - A free, open-source, offline Wikipedia application (developer intro)

2013-01-29

• QA weekly goals:

  Review 250 open bugs unchanged for more than one year

  VisualEditor: Testing Non-Latin Characters Input and Behavior

2013-01-26

• New Wikivoyage app for Android (Google Play link)

2013-01-25

• MediaWiki SVN repository marked as read-only
• Check the roadmap of Parsoid, the wikitext / HTML / RDF translator required by the VisualEditor extension.
• Wikimedia Foundation is looking for: Technical Writer

2013-01-23

• The Signpost technology report: Data centre migration successful
• Wikimedians attending Wikimania 2013 in Hong Kong this August can apply for a scholarship (deadline: Feb 22)

2013-01-19

• Wikimedia sites to move to primary data center in Ashburn, Virginia
• Next Bug Day: Jan 29, 17:00-23:00 UTC

2013-01-18

• New grants available from the Wikimedia Foundation for individual Wikimedians
• New manual for using Pywikibot for Wikidata
• Beautiful demo video showcasing Seizam's collaborative features
• Strapping, a friendly starter theme for MediaWiki - in use at oVirt.org
• Mailing list for Editor Engagement tech now open - see welcome message

2013-01-17

• Video: Solr use in MediaWiki Translate extension, by Niklas Laxström
• BlueSpice 1.20.1 patch release (notes)
• How To Install MediaWiki on Rackspace Cloud Sites Video Guide

2013-01-16

• Intermittent outages planned, first Wikidata client deployment - The Signpost Technology report

2013-01-14

• Promotion, marketing & outreach at the new MediaWiki Group Promotion
• MediaWiki Group San Francisco becomes our first local group
• Putting together a list of MediaWiki vendors

2013-01-11

• Wikimedia Foundation is looking for: Tools Lab Operations Engineer (Contractor)
• Wikipedia Mobile Beta: a sandbox for new experimental features
• A more efficient translation interface (includes demo video)

2013-01-10

• Wikimedia engineering December 2012 report

2013-01-09

• MediaWiki 1.21 is under development. Watch its wiki page and follow the thread at wikitech-l.
• Looking ahead to 2013 - The Signpost Technology report

2013-01-08

• Diff 0.4 released

2013-01-07

• MediaWiki community metrics December report
• BlueSpice MediaWiki 1.20 stable release now available

2013-01-05

• Wikimedia Foundation is looking for: Site Reliability Engineer

2013-01-03

• Natural Language Processing for MediaWiki: First major release of the Semantic Assistants Wiki-NLP Integration
• Meet the Echo development team on Jan 8 and learn about the upcoming notifications framework for MediaWiki
• MediaWiki Workshop in Kolkata this Saturday at MozTI@BESU

2013-01-01

• Wikimedia’s Bug Management

2012-12-04: 1.20.2 released

• Maintenance update MediaWiki 1.20.2 is now available.

2012-11-30: 1.20.1, 1.19.3, 1.18.6 released

• Security MediaWiki 1.20.1, 1.19.3 and 1.18.6 security releases are now available.

2012-11-07: 1.20.0 released

• Release MediaWiki 1.20.0 is now available.

2012-08-31: 1.19.2, 1.18.5 released

• Security MediaWiki 1.19.2 and 1.18.5 security releases are now available.

2012-06-13: 1.19.1, 1.18.4, 1.17.5 released

• Security MediaWiki 1.19.1, MediaWiki 1.18.4 and MediaWiki 1.17.5 security releases now available.

2012-05-02: 1.19.0 released

• Release MediaWiki 1.19.0 is now available.

2012-04-26: 1.19.0 rc1 released

• Release MediaWiki 1.19.0 rc 1 is now available.

2012-04-26: 1.18.3 released

• Maintenance update MediaWiki 1.18.3 is now available.

2012-04-26: 1.17.4 released

• Maintenance update MediaWiki 1.17.4 is now available.

2012-03-27: Switch to Git: Complete for core & WMF extensions

• Release MediaWiki core + extensions WMF deploys have switched to Git (details).

2012-03-22: 1.19.0 beta2 released

• Maintenance update MediaWiki 1.19.0 beta 2 is now available.

2012-03-22: 1.18.2 released

• Security MediaWiki 1.18.2 security release is now available.

2012-03-22: 1.17.3 released

• Security MediaWiki 1.17.3 security release is now available.

2012-03-07: 1.19.0 beta1 released

• Release MediaWiki 1.19.0 beta 1 is now available.

2012-02-29: Switch to Git: March 21

• Release Postponing Git migration until March 21

2012-02-26: Switch to Git in one week

• Release MediaWiki core + extensions WMF deploys will switch from Subversion to Git on 3 March 2012.

2012-01-11: 1.18.1 released

• Security MediaWiki 1.18.1 security & maintenance release is now available.

2012-01-11: 1.17.2 released

• Security MediaWiki 1.17.2 security release is now available.

2011-11-28: 1.18.0 released

• Release MediaWiki 1.18.0 has been released.

2011-11-28: 1.17.1 released

• Security MediaWiki 1.17.1 security release is now available.

2011-11-18: 1.18.0rc1 released

• Maintenance update MediaWiki 1.18.0rc1 is now available.

2011-11-04: 1.18 beta1 released

• Release MediaWiki 1.18 beta 1 is now available.

2011-06-22: 1.17.0 released

• Release MediaWiki 1.17.0 has been released.

2011-06-14: 1.17.0rc1 released

• Maintenance update MediaWiki 1.17.0rc1 is now available.

2011-05-05: 1.17 beta 1 released

• Release MediaWiki 1.17 beta 1 is now available.

2011-05-05: 1.16.5 released

• Security MediaWiki 1.16.5 security release available.

2011-04-14: 1.16.4 released

• Security MediaWiki 1.16.4 security release available.

2011-04-12: 1.16.3 released

• Security MediaWiki 1.16.3 security release available.

2011-02-01: 1.16.2 released

• Security MediaWiki 1.16.2 security release available.

2011-01-04: 1.16.1 released

• Security MediaWiki 1.16.1 security release available.

2010-07-28: 1.16.0 and 1.15.5 released

• Security MediaWiki 1.16.0 and 1.15.5 security release available

2010-05-28: 1.15.4, 1.16.0beta3 released

• Security MediaWiki 1.15.4 and 1.16.0beta3 security release available

2010-04-07: 1.15.3, 1.16.0beta2 released

• Security MediaWiki 1.15.3 and 1.16.0beta2 security release available

2010-03-12: 1.16.0beta1 released

• Release MediaWiki 1.16.0beta1 release available

2010-03-08: 1.15.2 released

• Security MediaWiki 1.15.2 bugfix release available

2009-07-13: 1.15.1, 1.14.1 released

• Security MediaWiki 1.15.1 bugfix release available
• Security MediaWiki 1.14.1 bugfix release available

2009-06-10: 1.15.0 released

• Release MediaWiki 1.15.0 quarterly release available

2009-05-16: 1.15.0rc1 released

• Release MediaWiki 1.15.0rc1 release candidate available

2009-02-22: 1.14.0, 1.13.5 released

• Release MediaWiki 1.14.0 quarterly release available
• Maintenance update MediaWiki 1.13.5 bugfix release available

2009-02-07: 1.13.4, 1.12.4, 1.6.12, and 1.14.0rc1 released

• Security Security updates available
• Release MediaWiki 1.14.0rc1 release candidate available

2008-12-15: 1.13.3, 1.12.2, 1.6.11 released

• Security Security updates available

2008-10-02: 1.13.2, 1.12.1 released

• Security Security updates MediaWiki 1.13.2 and 1.12.1 available

2008-09-06: 1.13.1 released

• Maintenance update MediaWiki 1.13.1 bugfix release available

2008-08-14: 1.13.0 quarterly release

• Release MediaWiki 1.13.0 final release available, see Manual:Upgrading.

2008-08-11: 1.13.0rc2 release candidate

• Release MediaWiki 1.13.0rc2 release candidate available

2008-07-25: 1.13.0rc1 release candidate

• Release MediaWiki 1.13.0rc1 release candidate available.

2008-03-20: 1.12.0 quarterly release

• Release MediaWiki 1.12.0 final release available, see Manual:Upgrading.

2008-03-11: 1.12.0rc1 release candidate

• Release MediaWiki 1.12.0rc1 release candidate available.

2008-03-02: 1.11.2 security update, 1.10.4, 1.9.6 bugfix updates

• Security Security updates available.
• Maintenance update Bug fixes for regressions in previous security fix

2008-01-23: 1.11.1, 1.10.3, 1.9.5 security updates

• Security Security updates available.

2007-09-10: 1.11.0 new stable branch

• Release Quarterly branch available, see Manual:Upgrading to 1.11.

2007-09-10: 1.10.2, 1.9.4, 1.8.5 security updates

• Security Security updates available.

2007-09-05: 1.11.0 branch release candidate

• Release MediaWiki 1.11.0rc1 release candidate available.

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

• Maintenance update MediaWiki 1.10.1 update

2007-05-09: 1.10.0 new stable branch

• Release MediaWiki 1.10.0 final release available, see Manual:Upgrading to 1.10.

2007-05-04: 1.10.0 branch release candidate

• Maintenance update MediaWiki 1.10.0rc2 release candidate available.

2007-04-30: 1.10.0 branch release candidate

• Release MediaWiki 1.10.0rc1 release candidate available.

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

• Release Quarterly release updates, see also Upgrading to 1.9.

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

• Release Quarterly release updates, see also Upgrading to 1.8.

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

• Release Quarterly release updates, see also Upgrading to 1.7.

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

• Release Quarterly release brings fun new features, see also Upgrading to 1.6.

2006-03-26: 1.5.8 and 1.4.15 fix XSS injection bug

• Security HTML injection in encoded page links.
• Older news...

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