+* The following deprecated methods from the OutputPage class have been removed:
+ * OutputPage::addExtensionStyle(); deprecated in 1.27
+ * OutputPage::getExtStyle(); deprecated in 1.27
+ * OutputPage::setETag(); deprecated in 1.28 (obsolete no-op)
+ * OutputPage::setSquidMaxage(); deprecated in 1.27
+ * OutputPage::readOnlyPage(); deprecated in 1.25
+ * OutputPage::rateLimited(); deprecated in 1.25
+ * Additionally, the protected OutputPage::$mExtStyles array, only accessed through
+ the above and with no known uses, was removed.
+* The no-op method Skin::showIPinHeader(), deprecated in 1.27, was removed.
+* \ObjectFactory (no namespace) is deprecated, the namespaced \Wikimedia\ObjectFactory
+ from the wikimedia/object-factory library should be used instead.
+* CommentStore::newKey is deprecated. Get an instance from MediaWikiServices instead.
+* The following CommentStore methods have had their signatures changed to introduce a $key parameter,
+ usage of the methods on instances retrieved from CommentStore::newKey will remain unchanged but deprecated:
+ * CommentStore::getFields
+ * CommentStore::getJoin
+ * CommentStore::getComment
+ * CommentStore::getCommentLegacy
+ * CommentStore::insert
+ * CommentStore::insertWithTemplate
+* The method ResourceLoaderModule::getPosition(), deprecated in 1.29, has been removed.
+* The DeferredStringifier class is deprecated, use Message::listParam() instead.