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MediaWiki is a collaboration and documentation platform brought to you by a vibrant community.

The MediaWiki software is used by tens of thousands of websites and thousands of companies and organisations. It powers Wikipedia and also this website. MediaWiki helps you collect and organise knowledge and make it available to people. It's powerful, multilingual, free and open, extensible, customisable, reliable, and free of charge. Find out more and if MediaWiki is right for you.

Set up and run MediaWiki

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Maintenance update MediaWiki 1.40.x versions are now end of life.
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)
Security MediaWiki 1.39.7, 1.40.3 and 1.41.1 security releases are now available.

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