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Summary
Assignee
Status
Story Point Estimate
Number-type custom fields
Estimate-type custom fields
Date-type custom fields
DatetimeDateTime-type custom fields
Text-type custom fields (single-line and read-only)
We're working on gradually adding more fields to that list.
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To edit fields of issues within an Issue Matrix panel:
Hover over a field you want to edit in an Issue Matrix.
Once the pencil icon appears, click the field and start making changes.
You can also cancel any wanted modification using the x button.