* (bug 36783) Implement jQuery Promise interface in mediawiki.api module.
* Make dates in sortable tables sort according to the page content language
instead of the site content language
+* (bug 37926) Deleterevision will no longer allow users to delete log entries,
+ the new deletelogentry permission is required for this.
=== Bug fixes in 1.20 ===
* (bug 30245) Use the correct way to construct a log page title.