SceneKit is deprecated

According to Apple doc https://developer.apple.com/documentation/scenekit/

SceneKit is deprecated, use [RealityKit](https://developer.apple.com/documentation/RealityKit) instead. For more information, see WWDC25 session 288: [Bring your SceneKit projects to RealityKit](https://developer.apple.com/videos/play/wwdc2025/288/).