more than a bug fix is needed
We are all speculating based on incomplete information but it has been apparent that current concept is flawed and this could not be resolved by a software fix even if it successfully addressed whatever issues had caused the two crashes. We know that a single fault could cause the stabiliser to be driven to a position where it is hard or impossible to recover. Addressing specific fault scenarios without addressing this wider concern is not a full solution. We have partial information and those involved are competent people so we must assume that this is beng addressed however the timescales for the solution always seemed over optimistic.