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

Photo of participants of the Wikimedia Hackathon 2019

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

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Release candidate MediaWiki 1.34.0-rc.1 pre-release is now ready for testing.
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.
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.
Release MediaWiki 1.33.0 is now available.
Maintenance update MediaWiki 1.31.3 and 1.32.3 are now available.

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