can't we edit/delete the comments?
One answer
can't we edit or delete the comments that are posted on a workitem?
No, this is currently not possible and an intentional restriction.
However, there is a plan to weaken that restriction, please see
https://jazz.net/jazz/resource/itemName/com.ibm.team.workitem.WorkItem/42801.
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Regards,
Patrick
Jazz Work Item Team