id summary reporter owner description type status priority component severity resolution keywords cc release 1909 Overshooting estimate reduces remaining effort while ticket is open andyg daan If you have a ticket set with an estimate of X hours, and you add a total of X + Y hours to the ticket, effectively working Y extra hours, the estimated effort is reduced by Y hours if the ticket is currently open. Working Y hours beyond the estimate is unplanned work and should not reduce the effort remaining. If the ticket is then closed, this problem is not evident. defect closed normal ScrumBurndownPlugin major fixed 0.10