I can't get it to update the status attribute when grouping is applied. Admittedly this is not what reordering was intended for. My process looks like this and has CycleComponent as the input:
ThatCycleComponent.Component.Status=ThisCycleComponent.sc_ComponentStatus
Depending on my dexterity, the log either says:
Value was not changed because it was equal to the old value Status=In Development
or
-Unable to find business objects to modify attribute SolutionComponent.Status
When I clear grouping , it works, but then I don't have a solution for managing the backlog.