ARKit iOS 11.0 Beta 3 to Beta 4 API Differences

ARCamera.h
Added -[ARCamera viewMatrixForOrientation:]
ARFrame.h
Modified ARFrame.lightEstimate
Declaration
From@property (nonatomic, readonly, copy, nullable) ARLightEstimate *lightEstimate
To@property (nonatomic, readonly, strong, nullable) ARLightEstimate *lightEstimate

Modified ARFrame.rawFeaturePoints
Declaration
From@property (nonatomic, readonly, nullable) ARPointCloud *rawFeaturePoints
To@property (nonatomic, readonly, strong, nullable) ARPointCloud *rawFeaturePoints

ARLightEstimate.h
Added ARLightEstimate.ambientColorTemperature
Modified ARLightEstimate
Protocols
FromNSCopying
Tonone