DDL entries have Author and Modified Date details showing for each entry in the UI however the CSV or XML files generated through exporting these entries have these fields missing.
Exporting DDL entries has all fields and details that is displayed via the UI for each DDL entry.
Steps to Reproduce
1) Add a form with three fields
2) Add a forms portlet to a page and submit a few entries for the form
3) Within Site Administration > Content > Forms select the View Entries option for the form. Note the presence of Modified Date and Author.
4) Export the individual form's entries in a CSV.