ImageIO Changes ImageIO CGImageMetadata.h Added kCGImageMetadataNamespaceExifEX Added kCGImageMetadataPrefixExifEX CGImageProperties.h Added kCGImagePropertyExifISOSpeed Added kCGImagePropertyExifISOSpeedLatitudeyyy Added kCGImagePropertyExifISOSpeedLatitudezzz Added kCGImagePropertyExifRecommendedExposureIndex Added kCGImagePropertyExifSensitivityType Added kCGImagePropertyExifStandardOutputSensitivity Added kCGImagePropertyOpenEXRAspectRatio Added kCGImagePropertyOpenEXRDictionary CGImageSource.h Added CGImageSourceRemoveCacheAtIndex() Added kCGImageSourceShouldCacheImmediately