The reason why a lot of the D&D guys are wary of saying '5E D&D' too much, is because the D&D OGL basically tells people 'Don't try brand yourself with D&D much at all, because we will hurt you'. So it means that the D&D creators feel they must use "5E" or "3.5E" or so on. It might be a thing they could easily implement where they can class modules based on the Character Sheet they were created with... From the Open Game License v1.0a The following items are designated Product Identity, as defined in Section 1(e)
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