We have a fixVersion field we denote that contains a "release id".
We would like to understand, historically, the number of people who contributes to the "X" number of JIRA issues that contain a specific release id.
To define contributors, this may end up simply being the "assignee" of the Issue, but could also include authors of associated code reviews.
Does anyone have advice on how to build this type of reporting in JIRA?
To calculate the number of contributors to a JIRA release: