the system message 'emailsender' should be modified (default: "{{SITENAME}}").
* $wgDBAhandler was removed as the only class using it was also removed
* The 'max threads' setting was removed from $wgDBservers.
+* Support for AdminSettings.php has been completely removed. All configuration
+ belongs in LocalSettings.php.
=== New features in 1.23 ===
* ResourceLoader can utilize the Web Storage API to cache modules client-side.
compiled without support for MySQL yet with support for another DBMS.
* (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
=== Web API changes in 1.23 ===
* (bug 54884) action=parse&prop=categories now indicates hidden and missing
* (bug 52811) Preference "Enable section editing via [edit] links" was removed.
* (bug 52813) Preference "Show table of contents (for pages with more than
3 headings)" was removed.
+* (bug 52810) Preference "Justify paragraphs" was removed.
+* OutputPage::showErrorPage raises a notice if arguments are incoherent.
==== Removed classes ====
* FakeMemCachedClient (deprecated in 1.18)