addSecondaryDataUpdate throwing an exception. These functions will be removed in 1.26,
since they interfere with caching of ParserOutput objects.
* Introduced new hook 'SecondaryDataUpdates' that allows extensions to inject custom updates.
+* Introduced new hook 'OpportunisticLinksUpdate' that allows extensions to perform
+ updates when a page is re-rendered.
* EditPage::attemptSave has been modified not to call handleStatus itself and
instead just returns the Status object. Extension calling it should be aware of
this.