In order to make stakeholder more aware of the due date, would like to add countdown from the due date, 15 days before.
it will be visible in the ticket and in the view columns.
1. is their such plug in .
2. could we put rules on the display
You can do it via Atlassian Automation using scheduled trigger to calculate the number of days ( to edit the custom field in automation by adding an action to calculate the number of days using smart value now() - issue.due date
Let me know if this helps