The Details-URL/Permalink-URL should be really permanent so that the link even works if a article is moved to a different title.
This includes that Special:ArticleFeedbackv5/<some random pagename>/95 should point to same feedback as Special:ArticleFeedbackv5/<original pagename>/95 and not failing with an empty page or (for non-existing pages) with "Invalid page ID"
Version: unspecified
Severity: enhancement
See Also:
https://bugzilla.wikimedia.org/show_bug.cgi?id=44370