* Parser::isValidHalfParsedText()
* StripState::getSubState()
* StripState::merge()
-* The "free" class is now only applied to unbracketed URLs in wikitext. Links
+* The "free" CSS class is now only applied to unbracketed URLs in wikitext. Links
written using square brackets will get the class "text" not "free".
* OpenSearch::getOpenSearchTemplate(), deprecated in 1.25, has been removed. You
can use ApiOpenSearch::getOpenSearchTemplate() instead.
transaction also results in an exception. Previously these were logged as errors.
The startAtomic() and endAtomic() methods, or AtomicSectionUpdate should be used
instead.
+* The global function wfOutputHandler() was removed, use the its replacement
+ MediaWiki\OutputHandler::handle() instead. The global function was only sometimes defined.
+ Its replacement is always available via the autoloader.
== Compatibility ==
MediaWiki 1.31 requires PHP 5.5.9 or later. Although HHVM 3.18.5 or later is supported,