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What the chart shows...
- The issues that have not been edited - with the oldest, most stale, over on the leftstacked columns show the number of work items in each state on the board.
- Filter by state to focus on specific work - for example, to show the completed work to a stakeholder
- You may find the Backlog Map useful as an alternative view
Setting up the chart
- Select the data for the timescale you are interested in There is no real point including past iterations/sprints as these issues (which presumably are live) will not have been edited for a while;
- Which Iterations or area paths.
- Work items; user stories and/or bugs
- Tags?