Display a reference line on the chart by specifying a value. Choose from 3 different styles and customise the colour.
The value will be displayed when mouse hovers over the gadget and when exported as pdf/png.
The field values will be displayed in the charts instead of the numeric IDs.
When added as external gadgets in Confluence, the Jira filter link displayed on the counter gadget is using the Confluence base URL.
Try out the Multiple Filters Chart Macros to display the charts/counters directly using macros instead of external gadgets.
It is a free app that works together with Multiple Filters Chart Gadgets.