Task Aggregation not working with Approval Delegation functionality
The task aggregation functionality is working fine with regular approval flows, but it is not working when the approvals are delegated.
According to this document, the Task Aggregation on Configuration tab in BPM UI set to "Once per task" is helpful with restricting approval flows once per user.
I have discovered that while this is working as expected on the regular approval workflows, it is not working correctly when the approvals are delegated and a user is receiving twice the same approval request.
For example, our rule for the salary changes has the following workflow approval chain: