I'm seeing the weirdest regression in Notchmeister in macOS Sonoma. Dice on the left are rendered on Ventura, on right is Sonoma.

The issue is the SCNScene's lightingEnvironment (which is set in the .scn file as Procedural Sky). Nothing fancy: https://github.com/chockenberry/Notchmeister/tree/main/Notchmeister/Notchmeister/dice.scnassets

My gut tells me that this is a linear vs. non-linear colorspace issue (e.g. gamma) but that's all baked in at the renderer level.

Any help or pointers would be appreciated. Will FB it when I understand more…