My team is using TFS 2015 Update 3 to manage our work items. They prefer using the kanban board over the list. We have several columns. One of the columns is named Done (it's one of the defaults).
The Kanban board in TFS is not specific to a sprint -- it shows the PBIs for all sprints.
Our team has iterated through about 400 pbi's as of this point in time. All 400 of them are sitting in the Done column. Whats the intended best practice regarding all of these PBIs that are sitting there? Should they stay their indefinately? Or is there an intended practice of purging them from the system?
I suppose I could hide the done column during regular hours, and have the PBI's moved into that column in bulk during each sprint review, but that seems contrived, and is it really using the system the way it's been designed?
Thanks in advance.