Description - Not all build-in fields in Workfront can be set as "Tracked Fields". For example: the Users Timesheet Profile ID cannot be set as Tracked Field, as confirmed by Adobe Support.
Why is this feature important to you - Allow Admin to track any changes on the Build-In Tracked Fields for User Timesheet Profile ID.
How would you like the feature to work - Allow tracking Build-In Tracked Fields for Users Timesheet Profile ID.
Current Behaviour - Currently unable Tracked Build-In Tracked Fields for Users Timesheet Profile ID.