MediaWiki 1.39.4​ is now available. This release includes a bug fixes.

MediaWiki 1.39.4​ is a free software wiki package written in PHP, originally for use on Wikipedia. It is now used by several other projects of the non-profit Wikimedia Foundation and by many other wikis.
MediaWiki is designed to be run on a large server farm for a website that gets millions of hits per day. MediaWiki is an extremely powerful, scalable software and a feature-rich wiki implementation that uses PHP to process and display data stored in a database, such as MySQL.

MediaWiki 1.39.4 Changelog

🐞 Bug fixes

• Localisation updates.
• (T333990) composer.json: Explicitly pin psr/http-message to 1.0.1.
• (T335203, CVE-2023-29197) SECURITY: Upgrading guzzlehttp/psr7
• (T333776) Template:ACTIVEUSERS wasn’t being updated without updateSpecialPages.php.
• (T258860) Prevent LogicCache exception from message cache during IO errors
• (T336868) Improve idempotency of postgres index upgrades.
• (T322944) Add Authorization to default $wgAllowedCorsHeaders.
• (T332889, CVE-2023-36675) SECURITY: Fix escaping in BlockLogFormatter.
• A fake MessageLocalizer for use in unit tests.
• (T338114) Title: Add forward alias.
• composer: Add symfony/polyfill-php81 like symfony/polyfill-php80.
• (T330464) Work around argument corruption bug in XMLReader::open.
• Fix frame and frameless rdfa depending on file existing.
• Fixes for the phan upgrade, part 1.
• Fixes for the phan upgrade, part 2.
• (T298571) build: Update mediawiki/mediawiki-phan-config to 0.12.0.
• build: Updating mediawiki/mediawiki-phan-config to 0.12.1.
• (T329214) Pass whether current rev of file exists to
• (T334659) Handle thumb errors when !$enableLegacyMediaDOM.
• A manualthumb that doesn’t exist should be considered a thumb error.
• (T313157) IndexPager: Also protect against $offset being 0.
• (T335612, CVE-2023-36674) SECURITY: Move badFile lookup to Linker.

Although updates are tested, you’re always encouraged to backup your files before patching.

Tags: Softaculous, Wikis

Related Links

• Live Demo:
  See MediaWiki in action (Softaculous site (External link))
• Official Website:
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• MediaWiki Changelog:
  To read changelog source Click Here (MediaWiki External link)