Huh - nope, background bug is still present. I guess the image I was using was just too similar to a plain gray so it looks decent in the render anyway.

Other thoughts:

-It seems like P12 is having a hard time understanding the sudden change in the gloss of the lips material. I hope that's a bug and not a feature - kinda need to be able to define different highlights for lipstick options.

-This skin was rendering with a lot of yellow areas just until yesterday, and I didn't update after that. Not sure why it's not doing that now. Wonder if it's because there's a background image set to be a light. But from what I was trying yesterday, it only stopped being yellow after I unplugged the textures that this character has plugged into the PhysicalSurface Scatters - Material looks like this:

-I have NO idea what's going on this the hair there. Looks so much darker in P12, and then there are stripe-things at what seems to be each polygon down the hair cards. I can't even try to figure out what's going on, as my hairstyles use bagginsbill's hair material, which is a node noodle that I can't even begin to understand and SOME OF IT looks like this:

I could make materials specific for P12 Superfly with what I know of Cycles now that we have the PrincipledBSDF and PrincipledHairBSDF nodes but 1. would be a bother to have separate materials for P11 and P12 for all my hair products and 2. CyclesRoot doesn't show you a decent preview, so I'm kinda lowkey hoping that whatever's going on there is a bug and not a change in how Superfly works.

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Feel free to call me Ohki!

Poser Pro 11, Poser 12 and Poser 13, Windows 10, Superfly junkie. My units are milimeters.

Persephone (the computer): AMD Ryzen 9 5900x, RTX 3070 GPU, 96gb ram.