-Security reminder: If you have PHP's register_globals option set, you must
-turn it off. MediaWiki will not work with it enabled.
-
== MediaWiki 1.27 ==
THIS IS NOT A RELEASE YET
MediaWiki 1.27 is an alpha-quality branch and is not recommended for use in
production.
+=== PHP version requirement ===
+As of 1.27, MediaWiki now requires PHP 5.5.9 or higher. This corresponds with
+HHVM 3.1.
+
=== Configuration changes in 1.27 ===
* $wgUseLinkNamespaceDBFields was removed.
* Deprecated $wgResourceLoaderMinifierStatementsOnOwnLine and
All values are now allowed for the role attribute.
* $wgContentHandlers now also supports callbacks to create an instance of the
appropriate ContentHandler subclass.
+* Added $wgAuthenticationTokenVersion, which if non-null prevents the
+ user_token database field from being exposed in cookies. Setting this would
+ be a good idea, but will log out all current sessions.
+* $wgEventRelayerConfig was added, for managing PubSub event relay configuration,
+ specifically for reliable CDN url purges.
=== External library changes in 1.27 ===
== Compatibility ==
-MediaWiki 1.27 requires PHP 5.3.3 or later. There is experimental support for
+MediaWiki 1.27 requires PHP 5.5.9 or later. There is experimental support for
HHVM 3.6.5 or later.
MySQL is the recommended DBMS. PostgreSQL or SQLite can also be used, but