Configuration is similar to $wgAutopromote (see DefaultSettings.php)
* The PerformRetroactiveAutoblock hook was added to allow overriding or complementing
retroactive autoblock handling. This runs when blocking a user with the 'autoblock' option.
+* MediaWiki now supports using protocol-relative URLs in links, interwiki
+ targets and $wgServer.
+* Introduced $wgVaryOnXFPForAPI which will cause the API to send
+ Vary: X-Forwarded-Proto headers.
=== Bug fixes in 1.18 ===
* mw.util.getScript has been implemented (like wfScript in GlobalFunctions.php)
* If an edit summary exceeds 250 bytes and is truncated, add an ellipse.
* (bug 26638) Database error pages display correctly in RTL languages.
* (bug 26187) Confirmrecreate no longer parses the edit summary.
-* (bug 25506) Exception is thrown if OutputPage::parse is called inside a tag
- hook, which would reset parser state.
* (bug 26208) Mark directionality of some interlanguage links.
* (bug 26034) Make the "View / Read" tab in content_navigation style tabs remain
selected when the action is "purge".
* Installer checked for magic_quotes_runtime instead of register_globals.
* (bug 30131) XCache with variable caching disabled no longer used for variable caching (CACHE_ACCEL)
* $wgSVGMaxSize is now applied to the smaller of width or height, making very wide pano/timeline/diagram SVGs renderable at saner sizes
+* (bug 30219) The page shown when LocalSettings.php does not exist was broken on
+ Windows servers.
+* (bug 30074) Moving user JS subpages resulted in JS errors because
+ #REDIRECT [[Foo]] is invalid JS
=== API changes in 1.18 ===
* BREAKING CHANGE: action=watch now requires POST and token.
* Jamaican Creole English (jam) (new).
* Khowar (khw) (new).
* Liv (liv) (new).
+* Chimborazo Highland Quichua (qug) (new).
* Tokipona (tp) (removed) 'tokipona' is still valid.
* (bug 17160) Gender specific display text for User namespace.
* Link trail added for sl and sh.