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The report tracks issues in each status category during a time period.
How to build it
To build this report start with table view and in the Measures dimension select measures Issue history and unselect default measure Issues created. Measure Issue history counts how many issues are in each status at the end of each time period.
Use Time dimension in Rows. Configure Time dimension as is more comfortable, e.g. Monthly to see how many issues were for each measure at the end of each Month.
In the report Columns add the Transition Status dimension and bookmark Status categories so it is possible to reorder them, in this case, so that Done category is always at the bottom. To eliminate status categories that are not used, select Hide empty columns.
Add the Time dimension to Pages for filtering report data and select predefined calculated member Last 12 months from Time dimension, use it to filter the report data. In Pages select also dimensions Project, Issue type, Priority and Assignee.
Then switch to the Timeline tab and select in toolbox options Area and Stacked. Change colors for Transition Status bookmarked members.