To view a burndown chart, enter the start date of your iteration or Milestone, and the Milestone that you are working on. Remember to add a "Due date" when you add or edit the milestone. Enter the "work remaining" field whenever you add or edit a ticket. This chart will show your burndown and assigned workload for the selected Milestone.
 

Estimate

Number Ticket Assigned to Status Estimate
No estimates for 3.5.1