r10 also has the diffrent colors for each boneQuote:
Cinema 4d R16 has a improved weight painting with a different color for each bone to make it a little more clear when selecting multiple bones.
But being able to use Python is also a huge improvement to write little scripts to modify things in the model that usually takes a lot of writing compared to cinema 4d R10
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So its mostly only useful for python maybe, but for the actual chaoskit not^^