tags.
* Added 'ChangeTagsListActive' hook, to separate the concepts of "defined" and
"active" formerly conflated by the 'ListDefinedTags' hook.
+* Added TemplateParser class that provides a server-side interface to cachable
+ dynamically-compiled Mustache templates (currently uses lightncandy library).
* Clickable anchors for each section heading in the content are now generated
and appear in the gutter on hovering over the heading.
* list=tags has additional properties to indicate 'active' status and tag
sources.
* siprop=libraries was added to ApiQuerySiteInfo to list installed external libraries.
+* (T88010) Added action=checktoken, to test a CSRF token's validity.
+* (T88010) Added intestactions to prop=info, to allow querying of
+ Title::userCan() via the API.
=== Action API internal changes in 1.25 ===
* ApiHelp has been rewritten to support i18n and paginated HTML output.