=== New features in 1.20 ===
* Added TitleIsAlwaysKnown hook which gets called when determining if a page exists.
* (bug 32341) Add upload by URL domain limitation.
+* &useskin=default will now always display the default skin. Useful for users with a
+ preference for the non-default skin to look at something using the default skin.
+* (bug 31417) New ID mw-content-text around the actual page text, without categories,
+ contentSub, ... The same div often also contains the class mw-content-ltr/rtl.
+* (bug 34475) Add support for IP/CIDR notation to tablesorter
+* (bug 27619) Remove preference option to display broken links as link?
+* (bug 15404) Add support for sorting fractions in jquery.tablesorter
+* (bug 34896) Update jQuery JSON plugin to v2.3 (2011-09-17)
=== Bug fixes in 1.20 ===
* (bug 30245) Use the correct way to construct a log page title.
* (bug 32210) New edit emails for watched pages always provide a link to the
edit which triggered the mail.
* (bug 12021) Added user talk link on Special:Listusers
+* (bug 34445) section edit and TOC hide/show links are excluded from selection and
+ copy/paste on supporting browsers
+* (bug 34428) Fixed incorrect hash mismatch errors in the DiffHistoryBlob
+ history compression method.
+* (bug 34702) Localised parentheses are now used in more special pages.
+* (bug 34723) When editing a script page on a RTL wiki the textbox should be LTR.
+* (bug 34762) Calling close() on a DatabaseBase object now clears the connection.
+* (bug 34863) Show deletion log extract on non-existent file pages if applicable.
=== API changes in 1.20 ===
* (bug 34316) Add ability to retrieve maximum upload size from MediaWiki API.
regularly. Below only new and removed languages are listed, as well as
changes to languages because of Bugzilla reports.
-* (bug 34192) Namespace gender aliases for Albanian (sq)
+* (bug 34192) Namespace gender aliases for Albanian languages (sq & aln)
=== Other changes in 1.20 ===