Example oldid (pulled from the IRC recentchanges feed): http://liquidthreads.labs.wikimedia.org/w/index.php?oldid=1821&rcid=1899
When you click that link, there's no way to get back to the entire thread and the talk page link isn't apparent (it's currently only the "discussion" tab). It needs a breadcrumbs trail.
Version: unspecified
Severity: enhancement