In Reality Composer Pro 3 Beta 2 so version 3.0 (75.0.21.500.2), I’m unable to connect any model provider or complete setup for the Assistant feature. I tried the following API endpoints: OpenAI: https://api.openai.com/v1 https://api.openai.com/v1/responses https://api.openai.com/v1/chat/completions Anthropic / Claude: https://api.anthropic.com/v1 https://api.anthropic.com/v1/messages None of these allow the Assistant setup to complete. It is unclear what endpoint format Reality Composer Pro expects, or whether provider setup is currently broken in Beta 2. Ticket with a video showing the issue can be found here: FB23493842

Hi, I’m running into an issue when importing a .usdz asset into Reality Composer Pro 3. The exact same asset was working perfectly in Reality Composer Pro 2, and it also works correctly when previewed in Xcode 27.0 beta or loaded directly in RealityKit from code. However, in Reality Composer Pro 3, the asset does not import correctly: The material appears completely broken and looks different from the original asset. The animations are not working. The same .usdz works as expected in Reality Composer Pro 2, including materials and animations. The same .usdz also works as expected in Xcode / RealityKit. I also noticed that the Preview app does not seem to import the asset correctly either. In Preview, the asset has the wrong orientation and it looks like the skeleton and animations may not be recognized properly. Here are a few screenshots showing how the asset appears in each app: Reality Composer Pro 2: asset works correctly, including materials and animations. Xcode 27.0 beta preview: asset works correctly, including materials and animations. Reality Composer Pro 3: material is broken and animations are not working. Preview app: wrong orientation, possible skeleton / animation import issue. I filed a ticket FB23214120 that contains an example Xcode project and RCP2 & RCP3 projects. Is there anything specific that changed in the USDZ import pipeline in Composer Pro 3 that could explain this behavior? Thanks!

Reality Composer Pro 3 Assistant appears to have useful project-aware tool categories for working with scenes, assets, materials, animation, behavior trees, navigation, skeletons, audio, planning, documentation, and ShaderGraph material creation. It would be very helpful if a supported subset of these capabilities could be exposed to external developer tools through an Apple-provided MCP server, command-line tool, or similar local automation interface. Similar to what's possible with Xcode: https://developer.apple.com/documentation/Xcode/giving-external-agents-access-to-xcode Possible exposed capabilities could include: Querying and modifying scene hierarchy, entities, and components. Inspecting and managing project assets and structure. Working with materials and ShaderGraph/SSL material creation. Reading and editing animation libraries, timelines, skeletons, and rigs. Inspecting behavior trees and navigation data. Reading audio components and playback settings. Querying Reality Composer Pro documentation through the Assistant. Returning structured JSON responses for external tools. Letting external coding agents request project-aware plans or safe editor actions. Expected Result: Reality Composer Pro provides a documented, permission-aware MCP server, CLI, or similar interface that allows external developer tools to safely use supported Assistant/project capabilities. Actual Result: Reality Composer Pro Assistant is available only inside the app UI. External coding agents such as Codex or Claude Code cannot reliably inspect or automate Reality Composer Pro projects except through unsupported package/file manipulation. Why This Matters: Many developers now use coding agents alongside Xcode and Reality Composer Pro. A supported interface would make app development smoother by allowing those tools to coordinate Swift code, RealityKit assets, scene state, materials, animations, and Assistant workflows through an official integration point. Feedback ticket: FB23276072

Reality Composer Pro Assistant currently appears limited to a fixed OpenAI model list and the legacy /v1/chat/completions endpoint. On Reality Composer Pro 3.0 (75.0.14.500.1), the OpenAI provider exposes only a small set of models such as gpt-4.1, gpt-4o, gpt-4o-mini, o1, and o3-mini. Newer models available through OpenAI’s current APIs are not usable. It would be nice to add support for current provider APIs, including OpenAI’s /v1/responses endpoint, and allow dynamic model discovery or manual custom model IDs. Feedback ticket: FB23274502

The link to download “MaterialX definitions” is broken on the main page of ShaderGraph documentation in the Interoperability section. See here: https://developer.apple.com/documentation/ShaderGraph#Interoperability Link in the page is https://developer.apple.com/augmented-reality/realitykit/files/MaterialX-definitions.zip but leads nowhere now. Since Reality Composer Pro 3 has been released, it would be good to have these definitions available to download again and to know if it’s still MaterialX 1.38 being used in the updated RCP & RealityKit. Opened a ticket about this: FB23258836

I've been trying to implement the new Spatial Preview framework in my app but I've been unable to make it work. I then tried the official sample: https://developer.apple.com/documentation/spatialpreview/working-with-content-from-your-mac-app-using-spatial-preview But this sample is also not able to stream anything to my Vision Pro. Both my Mac & Vision Pro are on the same network with bluetooth enabled, I'm using Mac Virtual Display but the "Stream USD Scene to a vision pro" does nothing. Mac is on macOS 27 and Vision Pro on visionOS 27, I'm using XCode 27. So everything should be setup correctly here. Log says: {CSInlineDonation[async]: "com.example.apple-samplecode.SpatialPreviewSampleB9WT723MN2" add-update-items:1 delete-items:0}: Failed to request donation Error Domain=CSIndexErrorDomain Code=-1000 "Failed to request donation" UserInfo={NSDebugDescription=Failed to request donation, NSUnderlyingError=0x778d201b30 {Error Domain=NSCocoaErrorDomain Code=4099 "The connection to service named com.apple.SetStoreUpdateService was invalidated from this process." UserInfo={NSDebugDescription=The connection to service named com.apple.SetStoreUpdateService was invalidated from this process.}}} Just submitted a ticket about this issue: FB23028075 Am I doing something wrong here? Anyone got the sample working?

Hello, We would like to inquire about the status of our entitlement request for the Push Location Service, which was recently denied (Case-ID: 1273751). We understand that Apple has strict guidelines and regulations to ensure the safety and privacy of its users, and we want to make sure we comply with all requirements. In light of this, we would like to know if there is a waiting period before we can submit a new request for the entitlement. We appreciate any information or guidance you can provide on this matter. Thank you for your time and assistance. Best regards, Tom Krikorian, Opuscope