* ApiBase::$messageMap is no longer public. Code attempting to access it will
result in a PHP fatal error.
* $wgUserEmailUseReplyTo is now true by default to work around restrictive DMARC policies.
+* Subpages are now enabled by default in the Template namespace. Set
+ $wgNamespacesWithSubpages[NS_TEMPLATE] to false to keep the old behavior.
=== New features in 1.29 ===
* (T5233) A cookie can now be set when a user is autoblocked, to track that user if