MediaWiki

Welcome to MediaWiki.org

MediaWiki is a PHP, originally for use on 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

What is a wiki?

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

System Administration

Install & configure MediaWiki

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

Developing & Extending

Become a MediaWiki hacker

• Learn to use the API and write extensions
• Browse the developer docs and class reference
• Already a hacker? Visit the developer hub

Current version

• 1.25.3 – 2015-10-16
  
• 1.24.4 – 2015-10-16
  

Download

News

2015-10-16

• MediaWiki 1.25.3, 1.24.4, and 1.23.11 security releases are now available.

2015-08-10

• MediaWiki 1.25.2, 1.24.3, and 1.23.10 security releases are now available.

2015-06-30

• MediaWiki 1.26wmf12 onwards, the old continuation mode of the API for action=query doesn't work (details).

2015-06-12

• Wikimedia sites begin requiring HTTPS (including API requests)

2015-05-25

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

2015-03-31

• 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.
• Older news...

New opportunities

• All upcoming events...
• Archived opportunities...
• Other ways to contribute...