Thoughts on making Cycles into a spectral renderer

This post might seem a bit abrupt but I just said this in another thread

and I wanted to include a set of images but second thought this is not really related to that thread so I am posting them here.
This is what we currently get from the Spectral branch with blue light on blue cube:


And here is what TCAMv2 does:

Wow, it just looks amazing. It still looks a bit purple but it is so subtle now. Just sadly it’s not open source.

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