default Sidebar.
* The 'vector-simplesearch' preference is now enabled by default. Previously
it was only enabled if the Vector extension was installed.
+* The precise format of metric datagrams produced by the UDP profiler and stats counter
+ may now be specified as $wgUDPProfilerFormatString and $wgStatsFormatString,
+ respectively.
=== New features in 1.22 ===
* (bug 44525) mediawiki.jqueryMsg can now parse (whitelisted) HTML elements and attributes.