It would be great if there were nodes to tweak Hue/Sat and also to access and manipulate individual colour channels. I am not sure if we pack multiple info in the same textures channels if that would be an optimisation for Octane but in certain cases whilst tweaking it's definitely useful.
Obviously curves and levels would be great too but somewhat trickier to implement I guess.
Hue/Sat/RGBChannel node request
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