$wgNamespacesWithSubpages[NS_TEMPLATE] to false to keep the old behavior.
* $wgRunJobsAsync is now false by default (T142751). This change only affects
wikis with $wgJobRunRate > 0.
-* A temporary feature flag, $wgDisableUserGroupExpiry, is provided to disable
- new features that rely on the schema changes to the user_groups table. This
- feature flag will likely be removed before 1.29 is released.
* (T158474) "Unknown user" has been added to $wgReservedUsernames.
* (T156983) $wgRateLimitsExcludedIPs now accepts CIDR ranges as well as single IPs.
* $wgDummyLanguageCodes is deprecated. Additional language code mappings may be
= MediaWiki 1.27 =
+== MediaWiki 1.27.3 ==
+Due to a packaging error, the wrong version of the SyntaxHighlight extension was
+included in the tarball version of MediaWiki 1.27.2. The version included had a
+serious security issue in it (T158689). There was also some minor code fixes in
+MediaWiki itself since 1.27.2, but none of them were security relevant.
+
+=== Changes since 1.27.2 ===
+* (T145664) Fix broken wincache merge() implementation
+* (T163434) Add wikimedia/testing-access-wrapper for forwards compatibility
+* (T153505) Fix php warnings on php 7.1 due to use of &$this
+
== MediaWiki 1.27.2 ==
This is a security and maintenance release of the MediaWiki 1.27 branch.