connections, if either are available for the selected DB type.
* $wgUseCombinedLoginLink now defaults to false, making MediaWiki output separate
login and create account links by default.
+* (bug 29374) $wgVectorUseSimpleSearch is now enabled by default.
=== New features in 1.20 ===
* Added TitleIsAlwaysKnown hook which gets called when determining if a page exists.
* (bug 40214) Category pages no longer use deprecated "width" HTML attribute.
* (bug 39941) Add missing stylesheets to the installer pages
* In HTML5 mode, allow new input element types values (such as color, range..)
+* (bug 40353) SpecialDoubleRedirect should support for interwiki redirects.
+* (bug 40352) fixDoubleRedirects.php should support for interwiki redirects.
=== API changes in 1.20 ===
* (bug 34316) Add ability to retrieve maximum upload size from MediaWiki API.
* (bug 11142) Improve file extension blacklist error reporting in API upload.
* (bug 39665) Cache AllowedGenerator array so it doesn't autoload all query classes
on every request.
+* (bug 35693) ApiQueryImageInfo now suppresses errors when unserializing metadata.
=== Languages updated in 1.20 ===
* Use of __DIR__ instead of dirname( __FILE__ ).
* OutputPage::wrapWikiMsg() no longer supports the 'options' parameter. It was
not used and complicated migration to Message class.
+* Live preview functionality has been improved and moved into the
+ 'mediawiki.action.edit.preview' module. The old 'mediawiki.legacy.preview' module
+ has been removed.
== Compatibility ==