Seems to be working fine in my present tests.

I should add that something else was going on earlier that made me think the problem was not just me: I would do a render, and the result was barely related to my present camera angle. For some reason, things were glitching in a fashion that they don't seem to be at the moment.

I still want to see a shader for a fairly basic mirror set up, with fresnel but not overly complex. Maybe as good as can be had in (say) 2–4 nodes. Something that will port nicely without too much resource expenditure.

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Hardware: AMD Ryzen 9 3900X/MSI MAG570 Tomahawk X570/Zotac Geforce GTX 1650 Super 4GB/32GB OLOy RAM

Software: Windows 10 Professional/Poser Pro 11/Photoshop/Postworkshop 3