set $wgTidyConfig to null and also set $wgUseTidy to true.
* $wgLogAutopatrol now defaults to false instead of true.
* $wgValidateAllHtml was removed and will be ignored.
+* $wgScriptExtension was removed (deprecated and ignored since 1.25).
+ See 1.25 release notes for more information.
+* $wgUseAjax is now marked as deprecated, just like the deprecated AJAX
+ framework that it enables. Some extensions mistakenly used this to check
+ whether any AJAX functionality at all should be enabled, further making this
+ problematic to retain.
=== New features in 1.31 ===
* (T76554) User sub-pages named ….json are now protected in the same way that ….js
* mediawiki/at-ease was replaced with wikimedia/at-ease.
=== Bug fixes in 1.31 ===
-* (T90902) Non-breaking space in header ID breaks anchor
+* (T90902) Non-breaking space in header ID breaks anchor.
+* (T189375) CSSMin now allows quoted urls in `url()` syntax to start with a space.
=== Action API changes in 1.31 ===
* (T185058) The 'name' value to tgprop for action=query&list=tags has been
removed. It has never made a difference in the output, the name was always
returned regardless.
+* The 'watch' and 'unwatch' parameters for action=move have been removed. They
+ were deprecated and also accidentally nonfunctional since 1.17 in 2010. Use
+ 'watchlist' instead.
=== Action API internal changes in 1.31 ===
* ApiBase::getProfileDBTime was removed (deprecated since 1.25)
will not have this trimming behavior.
== Compatibility ==
-MediaWiki 1.31 requires PHP 5.5.9 or later. Although HHVM 3.18.5 or later is supported,
-it is generally advised to use PHP 5.5.9 or later for long term support.
+MediaWiki 1.31 requires PHP 7.0.0 or later. Although HHVM 3.18.5 or later is supported,
+it is generally advised to use PHP 7.0.0 or later for long term support.
MySQL/MariaDB is the recommended DBMS. PostgreSQL or SQLite can also be used,
but support for them is somewhat less mature. There is experimental support for
The supported versions are:
-* MySQL 5.0.3 or later
+* MySQL 5.5.8 or later
* PostgreSQL 9.2 or later
* SQLite 3.3.7 or later
* Oracle 9.0.1 or later