* LanguageConverter::armourMath() was removed (deprecated since 1.22).
* FakeConverter::armourMath() was removed (deprecated since 1.22).
* The unused jquery.validate ResourceLoader module was removed.
+* FileRepo::getRootUrl() was removed (deprecated since 1.20).
+* User::generateToken() was removed (deprecated since 1.20).
+* WikiPage::getRawText() was removed (deprecated since 1.21).
+* ParserOutput::hasCustomDataUpdates() was removed (deprecated since 1.25).
== Compatibility ==
MediaWiki 1.27 requires PHP 5.3.3 or later. There is experimental support for
-HHVM 3.3.0.
+HHVM 3.6.5 or later.
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