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But even the with new weight mapped figures  like Antonia being created they still have a "standard " version based on the Old joint system competing with its weight mapped counter part for vendor support.

 

From my experience working with antonia WM.  The standard version doesnt really compete for developer time.  For every thing that I have worked with, rigging stuff to work with Antonia~WM is so simple as to be an almost trivial task.  If they have the skill to set up a product to work on Antonia standard it is almost a no brainer to do a quick run through the setup room for Antonia~WM as well.  Now I have never released anything so I cant speak to what work goes on past my hobbyist efforts, but once fitting and grouping is done Antonia~WM pretty much rigs the clothes for you.  I havent even had to adjust the weightmapping or anything