* 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.
+* Removed deprecated $wgDisabledActions as it is hardly used anywhere.
=== New features in 1.23 ===
* ResourceLoader can utilize the Web Storage API to cache modules client-side.
* 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.
+* Added experimental support for using Microsoft SQL Server as the database
+ backend.
+** Added new Microsoft SQL Server-specific configuration variable
+ $wgDBWindowsAuthentication, which makes the web server authenticate against
+ the database server using Integrated Windows Authentication instead of
+ $wgDBuser/$wgDBpassword.
=== Bug fixes in 1.23 ===
* (bug 41759) The "updated since last visit" markers (on history pages, recent
* 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.
+* mw.loader.go and mw.loader.version have been removed.
==== Removed classes ====
* FakeMemCachedClient (deprecated in 1.18)
MySQL is the recommended DBMS. PostgreSQL or SQLite can also be used, but
support for them is somewhat less mature. There is experimental support for
-Oracle.
+Oracle and Microsoft SQL Server.
The supported versions are:
* PostgreSQL 8.3 or later
* SQLite 3.3.7 or later
* Oracle 9.0.1 or later
+* Microsoft SQL Server 2005 (9.00.1399)
== Upgrading ==