Release Notes: 59,000 new localised text messages have been added, taking the total to 266,000, spread across 281 languages. New special pages: FileDuplicateSearch and ListGroupRights. Special:UserRights and Special:SpecialPages have been redesigned. You can hide categories with __HIDDENCAT__. Image redirects are now enabled by default. Search results show image thumbnails. The search box in the MonoBook sidebar can be moved up by editing [[MediaWiki:Sidebar]]. Double redirects created by a page move can be fixed automatically. There are many other changes.
Release Notes: The parser was rewritten for better Wikipedia template compatibility in default installations. Fixes were made for PostgreSQL compatibility. MySQL wildcard search enhancements were made. Many bugs were fixed.
Release Notes: Compatibility fixes for Zend Optimizer and MySQL Strict Mode. safety checks for buggy 64-bit PHP installations. "Undo" edit patching mode. Password reset security has been improved. There are more flexible IP blocking options and many other improvements.
Release Notes: PostgreSQL support now works. IP blocking is now more flexible for shared/dynamic ranges. Optional support was added for DjVu metadata and inline rendering using external software. Fixes were made for Squid 2.6. The "+" character is allowed in titles by default for better compatibility with Wikipedia data. Many little fixes were made.
Release Notes: The code has been converted to PHP 5. Many internal and extension interfaces were cleaned up. Some installer fixes were made. A potential HTML injection in a debugging script was fixed.
Release Notes: Templates can now have default parameter values, and category memberships and other links are properly updated when templates are edited. Feed generation was upgraded to Atom 1.0; RSS and Atom feeds now colorize diffs for readability. SVG uploads can be passed through a rasterizer program for inline display. The login and page protection forms have been redesigned. New extension points are present to support enhanced anti-spam and other tools.
Release Notes: This stable release features a new database schema for more efficient handling of large sites, enhanced e-mail features and security, more flexible upload handing, SVG rendering support, and much more. Existing installations should upgrade to this or to the latest in their release branches to ensure that known bug and security fixes are in place.
Release Notes: MediaWiki 1.5 is a major update, with a database restructuring to handle storage of large sites more efficiently. Additional features include better upload handling, optional email notification for updates, and more flexible configuration of user permissions and the sidebar navigation links.
Release Notes: This is a preview release, mainly to aid testers in finding installation bugs. It is strongly recommended not to run a live production Web site on this alpha release. A major schema change was made, email support was enhanced, and some workflow improvements were made for editing and file uploads.
Release Notes: Performance was improved. New features include image gallery display, searchable audit logs, language selection, UTF-8 input validation, rel="nofollow" spam discouragement, and much more. Theming was enhanced with better PHP 5 support and drop-in installation for custom skins. Multiple wikis can now be installed into a single database using table prefixes, and experimental PostgreSQL support is available in a manual install.