isVirtualDeviceFusionSupported always false on iPhone 11 Pro

I'm trying to get Deep Fusion working in my camera app on iOS 13.2b1.


I can't figure out why isVirtualDeviceFusionSupported is always false on an iPhone 11 Pro, no matter which AVCaptureDevice I use, or other settings like photoQualityPrioritization (ie. using .quality).


Has anyone figured out what configuration in AVFoundation yields isVirtualDeviceFusionSupported = true? Which AVCaptureDevice did you use?

isVirtualDeviceFusionSupported always false on iPhone 11 Pro
 
 
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