Release Notes: Improved PostgreSQL and IPv6 support. New access control features: cascading protection, a list of protected pages, and new limited namespace-wide access control. Better error handling in the new image resizing backend. Numerous other bugfixes and enhancements.
Release Notes: This release features an edit blacklist for spam attacks and local interwiki redirects and removed more hard-coded "Wikipedia" strings in the localization. The searchindex table type and Windows upload paths were fixed.