This feature is available in all editions.
On the details page of any story/backlog item, you can view the list of changes that have been made, including the person who made the change, when the change was made, and any comments that have been added.
Anywhere within the system, click on the title or ID of a story.
When the details page opens, click on the History tab.
Using the API to Query Historical Data
To see the history of multiple items, you can query historical data via the API and include as much detail as you'd like. Refer to the following articles for more information on how to query history.