Novell Vibe 3.4
If the same workflow process is associated with the parent entry as well as with it's replies, clicking on the 'who has responded' button does not display the list of responders in the parent entry. Instead, it expands the list of responders in the reply workflow.
A fix for this issue is available in the Vibe 3.4 Hot Patch 1, available via the Novell Patch Finder. With the fix in place, the correct list of responders is expanded.