Issues
On this tab you will see the list of issues, along with their priority, type, Key, summary, assignee names, and status.
Columns
On the issue tab can be configured as needed. You can select all the Jira default and Jira custom fields as columns.
Group by
This dropdown allows you to group issues by Jira default and custom fields. This gives you complete flexibility over deciding your focus on issues in the release. This enables you to do better planning of the releases because of proper segmented view.