* The 'max threads' setting was removed from $wgDBservers.
* Support for AdminSettings.php has been completely removed. All configuration
belongs in LocalSettings.php.
+* $wgSkipSkin, which has been replaceable by $wgSkipSkins since 2005 (r9249), is
+ now formally deprecated.
=== New features in 1.23 ===
* ResourceLoader can utilize the Web Storage API to cache modules client-side.
revision comparison pages using syntax such as [[Special:Diff/12345]],
[[Special:Diff/12345/prev]] or [[Special:Diff/12345/98765]].
* New user accounts' personal and talk pages are now watched by them by default.
+* Added SkinTemplateGetLanguageLink hook to allow changing the html of language
+ links.
+* Added MessageCache::get hook as a new way to customize messages across
+ multiple sites.
+* Added jquery.throttle-debounce ResourceLoader module to limit the number of
+ callbacks for frequently occurring events.
+* Special:ProtectedPages shows now a table. The timestamp, the reason and
+ the protecting user is also shown.
=== Bug fixes in 1.23 ===
* (bug 41759) The "updated since last visit" markers (on history pages, recent
* (bug 56199) Raw option of parser functions must now match complete word,
to take effect.
* (bug 60543) Special:PrefixIndex forgot stripprefix=1 for "Next page" link
+* (bug 29762) Undoing an already-undone edit will now display an appropriate
+ message instead of leading the user to make a null edit.
=== Web API changes in 1.23 ===
* (bug 54884) action=parse&prop=categories now indicates hidden and missing
list=usercontribs.
* list=watchlist now uses the querying user's rights rather than the wlowner's
rights when checking whether wlprop=patrol is allowed.
+* (bug 32151) ApiWatch now has pageset capabilities (titles/pageids/generators).
+ Title parameter is now deprecated.
+* (bug 23005) Added action=revisiondelete.
+* Added siprop=restrictions to API action=query&meta=siteinfo for querying
+ possible page restriction (protection) levels and types.
+* Added prop 'limitreportdata' and 'limitreporthtml' to action=parse.
+* (bug 58627) Provide language names on action=parse&prop=langlinks.
+* Deprecated llurl= in favour of llprop=url for action=query&prop=langlinks.
+* Added llprop=langname and llprop=autonym for action=query&prop=langlinks.
=== Languages updated in 1.23 ===
3 headings)" was removed.
* (bug 52810) Preference "Justify paragraphs" was removed.
* OutputPage::showErrorPage raises a notice if arguments are incoherent.
+* Thumbnails that keep failing to render in thumb.php will be rate-limited
+ againt further render attempts for 1 hour. $wgAttemptFailureEpoch can be
+ altered to reset all rate-limited thumbnails at once.
+* (bug 56572) Builds of the OOjs and OOjs UI libraries are now available.
==== Removed classes ====
* FakeMemCachedClient (deprecated in 1.18)