Assigning workflow tasks to more than one person creates a shared processing responsibility. A disadvantage may be that the number of tasks increases rapidly in the workflow inbox, with a lower performance of the SAP Workflow inbox as a result. An example is the often large workflow inbox of the accounts payables.
A recent SAP OSS note improves the performance of retrieving task-specific attributes within Fiori My Inbox app. The methodology described in this note also works for the SAP GUI Workflow Inbox (transaction SBWP) for professional users.