diff -ruN /Applications/Xcode_16.0.0-beta3.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/RealityKit.framework/Headers/RealityKitMaterialParameters.h /Applications/Xcode_16.0.0-beta4.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/RealityKit.framework/Headers/RealityKitMaterialParameters.h
--- /Applications/Xcode_16.0.0-beta3.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/RealityKit.framework/Headers/RealityKitMaterialParameters.h	2024-06-29 03:04:23
+++ /Applications/Xcode_16.0.0-beta4.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/RealityKit.framework/Headers/RealityKitMaterialParameters.h	2024-07-13 05:32:25
@@ -56,7 +56,7 @@
         return material::api::base_color_tint(data);
     }
 
-    /// Returns the value of baseColor.tint.alpha set on the model's material.
+    /// Returns the value of (baseColor.tint.alpha * opacityScale) set on the model's material.
     RK_INLINE float opacity_scale() const thread
     {
         return material::api::opacity_scale(data);