When a page has pending edits and it is opened for editing using VisualEditor, there is a dropdown box with a notice about this. When a page has a template or a file with pending changes is opened for editing, the dropdown box does not appear.
An example on the Russian Wikipedia:
https://ru.wikipedia.org/wiki/%D0%98%D1%80%D0%B3%D0%B8%D1%88
Version: unspecified
Severity: enhancement
See Also:
https://bugzilla.wikimedia.org/show_bug.cgi?id=52440