MetalKit macOS 10.13 Beta 2 to Beta 3 API Differences

MTKTextureLoader.h
Modified -[MTKTextureLoader newTexturesWithNames:scaleFactor:displayGamut:bundle:options:completionHandler:]
Declaration
From- (void)newTexturesWithNames:(nonnull NSArray<NSString *> *)names scaleFactor:(CGFloat)scaleFactor displayGamut:(nullable CGColorSpaceRef)displayGamut bundle:(nullable NSBundle *)bundle options:(nullable NSDictionary<MTKTextureLoaderOption,id> *)options completionHandler:(nonnull MTKTextureLoaderArrayCallback)completionHandler
To- (void)newTexturesWithNames:(nonnull NSArray<NSString *> *)names scaleFactor:(CGFloat)scaleFactor displayGamut:(NSDisplayGamut)displayGamut bundle:(nullable NSBundle *)bundle options:(nullable NSDictionary<MTKTextureLoaderOption,id> *)options completionHandler:(nonnull MTKTextureLoaderArrayCallback)completionHandler