* Removed deprecated $wgDisabledActions as it is hardly used anywhere.
* $wgRateLimitLog has been deprecated and replaced by
$wgDebugLogGroup['ratelimit'].
+* $wgLocalInterwikis is an array containing multiple local interwiki prefixes
+ (interwiki prefixes that point back to the current wiki). This effectively
+ allows more than one value of $wgLocalInterwiki to be specified and
+ understood by the parser. The value of $wgLocalInterwiki is automatically
+ prepended to the start of this array.
=== New features in 1.23 ===
* ResourceLoader can utilize the Web Storage API to cache modules client-side.
creations, similar to the topOnly option.
* Add mediawiki.ui.button styling to all pages so wiki content can use styled
buttons.
+* Special:UserLogin/signup now does AJAX checks for invalid and taken usernames,
+ displaying the error live.
+* Added BaseTemplateAfterPortlet hook to allow injecting html after portlets in skins.
=== Bug fixes in 1.23 ===
* (bug 41759) The "updated since last visit" markers (on history pages, recent
table.mw-prefixindex-list-table to avoid duplicate ids when the special page
is transcluded.
* (bug 62198) window.$j has been deprecated.
+* Preference "Disable link title conversion" was removed.
+* SpecialRecentChanges no longer includes any functionality for generating feeds
+ - it has been factored out to ApiFeedRecentChanges. Old URLs redirect to new
+ ones.
+* RecentChange::mExtra['lang'] is no longer set and should no longer be used.
+ Extensions should read from other configuration variables, including
+ $wgLocalInterwikis, to identify the current wiki.
==== Removed classes ====
* FakeMemCachedClient (deprecated in 1.18)