+* MWFunction::newObj() was removed (deprecated in 1.25).
+ ObjectFactory::getObjectFromSpec() should be used instead.
+* The parser will no longer randomize the string it uses to mark the place of
+ items that were stripped during parsing. It will use a fixed string instead.
+ This causes the parser to re-use the regular expressions it uses to search
+ and replace markers rather than generate novel expressions on each parse.
+ Re-using regular expressions will improve performance on HHVM and the
+ forthcoming PHP 7. The interfaces changes accompanying this change are:
+ - Parser::getRandomString() and Parser::uniqPrefix() have been deprecated.
+ - The $uniq_prefix argument for Parser::extractTagsAndParams() and the
+ $prefix argument for StripState::_construct() are deprecated and their
+ value is ignored.
+* wfSuppressWarnings() and wfRestoreWarnings() were split into a separate library,
+ mediawiki/at-ease, and are now deprecated. Callers should use
+ MediaWiki\suppressWarnings() and MediaWiki\restoreWarnings() directly.
+