Funny I have never used it. I won't design a shader that only works for Poser Pro, so I noted that it is there but that's it.

GC is actually just the power function, so the ability to change the gamma of a color has always been there. The only advantage it has is it auto-detects the render GC setting, but I can do the same without it.

I did a couple tests and it didn't crash for me.

If Poser ever introduces some nodes that do new things, then I'll use them. But this is just a node reduction - which doesn't matter to me as I use matmatic.

For me, an auto-GC of some color, x, is:

GC(x)

This took me less time to type than it would take to add and hook up a gamma node.

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Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)