http://www.oracle-base.com/articles/11g/database-resident-connection-pool-11gr1.php
* Add a new parameter $patrolFooterShown to hook ArticleViewFooter so the hook
handlers can take further action based on the status of the patrol footer
+* A new hook TitleQuickPermissions was added to allow overriding of quick
+ permissions in the Title class.
* LinkCache singleton can now be altered or cleared, letting one to specify
another instance that does not rely on a database backend.
* MediaWiki's PHPUnit tests can now use PHPUnit installed using composer --dev.
* (bug 46513) Vector: Add the collapsibleTabs script from the Vector extension.
* Added $wgRecentChangesFlags for defining new flags for RecentChanges and
watchlists.
+* (bug 40518) mw.toolbar: Implemented mw.toolbar.addButtons for adding multiple
+ button objects in one call.
=== Bug fixes in 1.22 ===
* Disable Special:PasswordReset when $wgEnableEmail is false. Previously one
* Special:Recentchangeslinked will now include upload log entries
* (bug 41281) Fixed ugly output if file size could not be extracted for multi-page media.
* (bug 50315) list=logevents API module will now output log entries by anonymous users.
+* (bug 38911) Handle headers with rowspan in jquery.tablesorter
+* (bug 658) Converted the table of contents on wiki pages from <table> to <div>
+ and adjusted skin CSS accordingly. The CSS was carefully crafted to be
+ backwards-compatible in all reasonable cases (uses of the __TOC__ magic word,
+ the #toc CSS id and the .toc CSS class). However, particularly bad abuse of
+ the id or the class can possibly break.
=== API changes in 1.22 ===
* (bug 25553) The JSON output formatter now leaves forward slashes unescaped