What, pray tell, do spies have to do with either the Anschluss or Danzig ? Both are essentially political actions, driven by external pressures - the presence or absence of spies makes essentially no difference.
Additionally, CORE isn't moving over to DD instantaneously in any case - the next release certainly won't be (intentionally) "DD" compatible, the one after might have some elements tweaked for DD - it kinda depends how much tweaking is required for things to work with the DD game engine.
Tim