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I've have some problem (using 3.06.2) using the useful option to have multiple Environments in the same scene splitting each one for Illumination, background, reflections , and so on...
I wat to share my experience in order to know if I have made some mistakes or it's a real problem to resolve (I have only checked as I said with the old 3.06, let me know if is already resolved with the new version)

I have made 4 different images (background, illumination, reflection, refraction) and in a sample scene (that I have attached here) I have created 4 different Environment assigning to each of them one image and of course checking only the pass the I need from each one.
So for example in the "Illumination" environment I have checked "Primary Environment" option and assigned the Illumination image, in the "reflection" one I have checked the "reflection" pass and assigned the "reflection" image and so on.

The result is not what I expected to see: I need to see the "refraction image" through the glass, the "reflection" image on the reflected floor ground material, the backround image as background.

What I see instead is only the environment object that I have at the top of the Object hierarchy as shown in the attached images: Let me know if I have made some mistakes.

Thanks.

Luca

Hi Luca,
normally OctaneRender can work with max 2 Environment nodes at a time, a Primary Environment for illumination, and a Visible Environment with one map for backplate/reflection/refraction. If you have more than two Environment nodes, the hierarchy position of the nodes defines the Environment to render.
ciao Beppe