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Risky, how?  :scared:  Will the base shape be changing, or even the actual head geometry?

It's mostly that if one makes a character morph, particularly a commercial one, they'll want it to work well with the expression morphs. Since the expression morphs don't exist yet, that will be a bit tricky to test.

Also, if I come across some serious problems while making the expression morphs, there is a tiny, tiny possibility that I might make small changes in the default shape, or rather, move vertices around while mostly keeping the shape as it is. There's an even tinier chance that I might make some changes in the mesh topology for the face. This shouldn't worry anyone. I don't expect any of this to happen, and if it does, there are ways to deal with it. But I'd rather not tell anyone to go ahead selling stuff for Antonia if there's the slightest chance that it won't work properly with the official version.

-- I'm not mad at you, just Westphalian.