* Hitting api.php without specifying an action now displays only the help for
the main module, with links to submodule help.
* API help is no longer displayed on errors.
-* Internationalized messages returned by the API will be in the wiki's content
- language by default. 'uselang' is now a recognized API parameter;
- "uselang=user" may be used to select the language from the current user's
- preferences.
+* 'uselang' is now a recognized API parameter; "uselang=user" may be used to
+ explicitly select the language from the current user's preferences, and
+ "uselang=content" may be used to select the wiki's content language.
* Default output format for the API is now jsonfm.
* Simplified continuation will return a "batchcomplete" property in the result
when a batch of pages is complete.
tag, instead of after the <text> and <sha1> tags.
The new schema version is 0.10, the new schema URI is
<https://www.mediawiki.org/xml/export-0.10.xsd>.
+* MWFunction::call() and MWFunction::callArray() were removed, having being
+ deprecated in 1.22.
== Compatibility ==