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Rich Filter Flexi Charts gadgets configured to display charts based on date & date-time fields are now enriched with options for cumulative aggregation of data. The following aggregation types are available:
Period value: this is the default option (and the only one previously available) – the chart displays the values of each individual aggregation period;
Cumulative trend: progressively adds the values from the previous periods, including only the issues starting with the first period of the chart;
Cumulative total: progressively adds the values from the previous periods,
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including the issues before the first period.
This feature is compatible with both 1D and 2D date-based charts (bar, clustered bar, and stacked bar).
Example of a bar chart of Story Points by Due date with Cumulative trend aggregation type:
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For more information about the Rich Filter Flexi Charts gadget, have a look at its documentation page.