Quote - No, I just meant reloading. That does recalculate the deltas, which is kind of a big deal for JCMs. I so wish I had an oracle to tell me exactly how Poser's joint algorithm works so that I could do that myself and not have to use any gorram morph loaders.

So theoretically we at home could try changing JPs and re-loading the JCMs, if we export the morph and re-load it onto the figure after joint alterations?  I'm thinking about the neck, and whether there could be a way for me to use the new 125 joint morphs with my custom JPs.

The plan looks good.  That's things yet-to-be-done, rather than a list of what to expect on the 126 figure, right?

For the joint algorithm, I think a few people may have pretty good guesses, but I doubt anyone knows exactly how it works.  IIRC, Kuroyume had to sort of reverse-engineer Poser's joints while creating his Poser to C4D program.  CodeTwister also seems to have recreated Poser joint functionality for Morph Master Pro.  Maybe they could offer some hints? 

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Cage can be an opinionated jerk who posts without thinking.  He apologizes for this.  He's honestly not trying to be a turkeyhead.

Cage had some freebies, compatible with Poser 11 and below.  His Python scripts were saved at archive.org, along with the rest of the Morphography site, where they were hosted.