Recognize an unread, overdue and any other issue
Set up the marking and coloring rules
Find unread and overdue issues
Find the issues matching a JQL-condition
Specify what issues to be considered overdue and select the issue key area color for the particular JQL-case
Red font color – for the overdue issues, bold font type – for the unread issues.
Use the coloring to easily find an issue corresponding to a JQL-query