Community Tip - You can change your system assigned username to something more personal in your community settings. X
Hi
It is called Iteration History. In addition you have maturity and revision history.
It is found in PDMLink in the information page of each object.
Hope this answers your question
Best regards
You may also use the search mechanism to find this info. Simply enter the user and the date/date range into the appropriate search filters.
Russ