I believe you are incorrect. Bungie tweeted about this and said that all exotics are coming forward stat wise but only a few are coming forward with new skins/perks. That's how I am understanding this whole thing at least.
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Bungie tweeted no such thing.
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From Bungie: "Exotic Blueprints allow you to “print” new copies of Exotics you earned in Year 1 AND access select Year 1 gear upgraded for Year 2."