Uploaded June 2026 | Updated September 2026, 1 week ago

---

Discover the latest advancements in RealityKit designed to make your apps and games more immersive and realistic than ever. Explore powerful new capabilities including interactive cloth simulations, NavMesh pathfinding, mixed reality lighting, and customizable reverb meshes for enhanced spatial audio. Elevate your visual fidelity with improved shadows, character rendering enhancements, and support for Gaussian splatting.

Explore related documentation, sample code, and more:
Gaussian splats on visionOS: developer.apple.com/documentation/visionOS/gaussian-splats-on-visionos
Mixing spatial music: developer.apple.com/documentation/visionos/mixing-spatial-music
Iterate your spatial scenes faster with Reality Composer Pro 3: developer.apple.com/videos/play/wwdc2026/280
Supercharge your spatial workflows with Reality Composer Pro 3: developer.apple.com/videos/play/wwdc2026/393
Design no-code games with Reality Composer Pro 3: developer.apple.com/videos/play/wwdc2026/252
Extend Reality Composer Pro 3 functionality with Xcode: developer.apple.com/videos/play/wwdc2026/281

00:00 - Introduction
02:00 - Lighting and shadows
07:44 - Navigation mesh
11:01 - Cloth simulation
13:42 - Performance
17:09 - 3D Gaussian splats
19:08 - Immersive audio
22:42 - Next steps

More Apple Developer resources:
Video sessions: apple.co/VideoSessions
Documentation: apple.co/DeveloperDocs
Forums: apple.co/DeveloperForums
App: apple.co/DeveloperApp