Hey i use AMD PRORENDER on MACOS MOJAVE with VEGA 64 eGPU Blender 2.8. Sometimes i get these weird black dots in lighted areas. I tried figuring out where they come from, but it's weird. sometimes they go away when i move the camera or set the noise threshold low. Sometimes they don't. Any advice? I really can't tell what's going on? I use Uber and Principle node. This didn't happen in the 2.79 blender addon, as far as i remember.
Its a known bug with this add-on, at least by myself and a few others. I don't know if the developers know though. It is cross setup, and eGPU doesn't affect it since its a CPU not an eGPU issue.