The last-saved-at date on the ticket registrations page should normally derive this date dynamically by looking at any sub-assignments.
However, with a sublevel “Questions” folder under the exam folder, it doesn’t seem to get the latest save date from within this sub-folder.

Submitted by Elmer van Chastelet on 11 November 2022 at 14:11

Also look at nested level (max 2 levels for now)