In a few of my commercial works that I rendered with 3.5 and 3.6 I really had to
struggle with irid textures to make them "seem to work." It was such a pain in
the ass - I kept asking myself, "What am I doing wrong?" It's nice to see that
it was just a bug after all.

Here's the exact same scene as rendered in 3.6. Notice the weird iridescence in
the spheres, that don't even seem to have the Fresnel reflections right...

Because 3.6 didn't support HDR/EXR the environment map is a JPEG in this case,
using ambient 1. No contest really, since IMHO everything looks WAAAAY better in
3.7 all around.

Cheers
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www.McGregorFineArt.com

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