SIL Specification: when changing the scope of the requirement, the propagated SIL level is not recalculated.
I add a safety requirement with scope A. Then I change the scope of that requirement to component B. The propagated SIL of A has to be recalculated then, which at the moment is not the case.
(from redmine: issue id 1212, created on 2013-01-25, closed on 2013-02-07)