* Added ApiQueryORM class to facilitate creation of query API modules based on
tables that have a corresponding ORMTable class.
* (bug 40876) Icon for PSD (Adobe Photoshop) file types.
+* (bug 40641) Implemented Special:Version/Credits with a list of contributors.
=== Bug fixes in 1.21 ===
* (bug 40353) SpecialDoubleRedirect should support interwiki redirects.
to support Squid configured in forward-proxy mode, set
$wgSquidPurgeUseHostHeader to false.
* (bug 37020) sql.php with readline eats semicolon
-
+* (bug 11748) Properly handle optionally-closed HTML tags when Tidy is
+ disabled, and don't wrap HTML-syntax definition lists in paragraphs.
+* (bug 41409) Diffs while editing an old revision should again diff against the
+ current revision.
=== API changes in 1.21 ===
* prop=revisions can now report the contentmodel and contentformat, see docs/contenthandler.txt