as upstream is inactive and has no plans to move to PHP 7.
* The old CategorizedRecentChanges feature, including its related configuration
option $wgAllowCategorizedRecentChanges, has been removed.
+* (T188472) The 'comma' value for $wgArticleCountMethod is no longer supported for
+ performance reasons, and installations with this setting will now work as if it
+ was configured with 'any'.
=== New features in 1.31 ===
* Wikimedia\Rdbms\IDatabase->select() and similar methods now support
* The DeferredStringifier class is deprecated, use Message::listParam() instead.
* The type string for the parameter $lang of DateFormatter::getInstance is
deprecated.
+* The global functions wfProfileIn and wfProfileOut, deprecated in 1.25, have been removed.
== Compatibility ==
MediaWiki 1.31 requires PHP 5.5.9 or later. Although HHVM 3.18.5 or later is supported,