You already have to do that every 9 months (or is it 12 now?) as there's no "support" after that. But the point behind major versions is you don't change your d

You already have to do that every 9 months (or is it 12 now?) as there's no "support" after that. But the point behind major versions is you don't change your definition files as long as you stay on the old major version, which is supposed to be supported for a long time.