Discuss Spatial Computing on Apple Platforms.

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Odd image placeholder appearing when dismissing an ImmersiveSpace with a ImagePresentationComponent
Hello, There are odd artifacts (one looks like an image placeholder) appearing when dismissing an immersive space which is displaying an ImagePresentationComponent. Both artifacts look like widgets.. See below our simple code displaying the ImagePresentationComponent and the images of the odd artifacts that appear briefly when dismissing the immersive space. import OSLog import RealityKit import SwiftUI struct ImmersiveImageView: View { let logger = Logger(subsystem: AppConstant.SUBSYSTEM, category: "ImmersiveImageView") @Environment(AppModel.self) private var appModel var body: some View { RealityView { content in if let currentMedia = appModel.currentMedia, var imagePresentationComponent = currentMedia.imagePresentationComponent { let imagePresentationComponentEntity = Entity() switch currentMedia.type { case .iphoneSpatialMovie: logger.info("\(#function) \(#line) spatial3DImmersive display for \(String(describing: currentMedia))") imagePresentationComponent.desiredViewingMode = .spatial3DImmersive case .twoD: logger.info("\(#function) \(#line) spatial3DImmersive display for \(String(describing: currentMedia))") imagePresentationComponent.desiredViewingMode = .spatial3DImmersive case .visionProConvertedSpatialPhoto: logger.info("\(#function) \(#line) spatialStereoImmersive display for \(String(describing: currentMedia))") imagePresentationComponent.desiredViewingMode = .spatialStereoImmersive default : logger.error("\(#function) \(#line) Unsupported media type \(currentMedia.type)") assertionFailure("Unsupported media type \(currentMedia.type)") } imagePresentationComponentEntity.components.set(imagePresentationComponent) imagePresentationComponentEntity.position = AppConstant.Position.spacialImagePosition content.add(imagePresentationComponentEntity) } let toggleViewAttachmentComponent = ViewAttachmentComponent(rootView: ToggleImmersiveSpaceButton()) let toggleViewAttachmentComponentEntity = Entity(components: toggleViewAttachmentComponent) toggleViewAttachmentComponentEntity.position = SIMD3<Float>( AppConstant.Position.spacialImagePosition.x + 1, AppConstant.Position.spacialImagePosition.y, AppConstant.Position.spacialImagePosition.z ) toggleViewAttachmentComponentEntity.scale = AppConstant.Scale.attachments content.add(toggleViewAttachmentComponentEntity) } } }
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Jul ’25
Guided Access - Detect when setup (Eyes + Hands) is done
Hello, I am building a kiosk-style app for VisionOS which will be used in Guided Access mode, to be given to various visitors. So each of them will do hands + eyes setup, standard Guided Access thing. I want my experience to auto-start playing content when setup is done. I looked everywhere, but found no way do detect whether setup is complete? Also adding any kind of interface to start the app manually is risky, since buttons etc remain visible an interactable WHILE setup takes place. Delay-based approach also wont work, since setup can be skipped, or failed, or be done quickly, slowly... So it takes between 10 seconds and a few minutes. So the question is - is there any way to get notification, or check some bool or something that will tell me that Hands + Eyes setup in Guided mode is complete (or skipped)? Thanks in advance!
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Loading USDZ asset into Model3D causes visionOS 2.0 beta 5 to crash
We've recently discovered that our app crashes on startup on the latest visionOS 2.0 beta 5 (22N5297g) build. In fact, the entire field of view would dim down and visionOS would then restart, showing the Apple logo. Interestingly, no app crash is reported by Xcode during debug. After investigation, we have isolated the issue to a specific USDZ asset in our app. Loading it in a sample, blank project also causes visionOS to reliably crash, or become extremely unresponsive with rendering artifacts everywhere. This looks like a potentially serious issue. Even if the asset is problematic, loading it should not crash the entire OS. We have filed feedback FB14756285, along with a demo project. Hopefully someone can take a look. Thanks!
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Jul ’25
onWorldRecenter memory leak and duplicate callbacks in ImmersiveSpace
Posting this here in case this information is helpful to other developers: As of visionOS 26.3 beta 1, onWorldRecenter has two significant issues: (FB21557639) Memory Leak: When onWorldRecenter is assigned to a RealityView within an ImmersiveSpace, it appears to retain a strong reference to the view's internal SwiftUI context. When the immersive space is dismissed, the view's @State objects will not be deallocated. Also, each time the immersive space view's body is executed, additional state storage will be allocated and leaked. Multiple Callbacks: When the user long-presses the Digital Crown, the onWorldRecenter closure will be called multiple times, once for each past view body execution, including those of immersive space views that have been previously dismissed. Although these issues seem to be most prevalent when onWorldRecenter is used with an ImmersiveSpace, they may also occur in the context of a WindowGroup under certain circumstances. It's possible to work around this problem by moving onWorldRecenter to an empty overlay view within the app's primary WindowGroup and forwarding the world recenter events to ImmersiveSpace views through a notification system, coupled with a debouncer as an extra precaution.
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ImagePresentationComponent .spatialStereoImmersive mode not rendering in WindowGroup context
Platform: visionOS 2.6 Framework: RealityKit, SwiftUIComponent: ImagePresentationComponent I’m working with the new ImagePresentationComponent from visionOS 26 and hitting a rendering limitation when switching to .spatialStereoImmersive viewing mode within a WindowGroup context. This is what I’m seeing: Pure immersive space: ImagePresentationComponent with .spatialStereoImmersive mode works perfectly in a standalone ImmersiveSpace Mode switching API: All mode transitions work correctly (logs confirm the component updates) Spatial content: .spatialStereo mode renders correctly in both window and immersive contexts. This is where it’s breaking for me: Window context: When the same RealityView + ImagePresentationComponent is placed inside a WindowGroup (even when that window is floating in a mixed immersive space), switching to .spatialStereoImmersive mode shows no visual change The API calls succeed, state updates correctly, but the immersive content doesn’t render. Apple’s Spatial Gallery demonstrates exactly what I’m trying to achieve: Spatial photos displayed in a window with what feels like horizontal scroll view using system window control bar, etc. Tapping a spatial photo smoothly transitions it to immersive mode in-place. The immersive content appears to “grow” from the original window position by just changing IPC viewing modes. This proves the functionality should be possible, but I can’t determine the correct configuration. So, my question to is: Is there a specific RealityView or WindowGroup configuration required to enable immersive content rendering from window contexts that you know of? Are there bounds/clipping settings that need to be configured to allow immersive content to “break out” of window constraints? Does .spatialStereoImmersive require a specific rendering context that’s not available in windowed RealityView instances? How do you think Apple’s SG app achieves this functionality? For a little more context: All viewing modes are available: [.mono, .spatialStereo, .spatialStereoImmersive] The spatial photos are valid and work correctly in pure immersive space Mixed immersive space is active when testing window context No errors or warnings in console beyond the successful mode switching logs I’m getting Any insights into the proper configuration for window-hosted immersive content
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Aug ’25
Why VideoMaterial can't show transparency on Apple Vision Pro
https://developer.apple.com/documentation/realitykit/videomaterial The documentation: "Video materials support transparency if the source video’s file format also supports transparency." I have a transparency video(Hand.mov, HEVC with alpha), I can show the video with transparency background correctly on Vision Pro Simulates, but on physic Device the video has a black background. I'm sure the video format is ok because I can see get the texture from video and display it on an UnlitMaterial. How can I show the transparency video correctly with the RealityKit/VideoMaterial?
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Dec ’25
How to combine Occlusion nodes with soft edges.
At a recent community meeting we were wondering how Apple creates this soft-edge effect around the occlusion cutouts. We see this effect on keyboard cutouts, iPhone cutouts, and in progressive spaces. An example: Notice the soft edged around the occlusion cutout for the keyboard One of our members created some Shader Graph materials to explore soft edges. These work by sending data into the opacity channel of the PreviewSurface node. Unfortunately, the Occlusion Surface nodes lack any sort of input. If you know how to blend these concepts with RealityKit Occlusion, please let us know!
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Sep ’25
WWDC 25 RemoteImmersiveSpace - Support for Passthrough Mode? RealityKit?
This is related to the WWDC presentation, What's new in Metal rendering for immersive apps.. Specifically, the macOS spatial streaming to visionOS feature: For reference: the page in the docs. The presentation demonstrates it using a full immersive space and Metal rendering using compositor services. I'd like clarity on a few things: Is the remote device wireless, or must the visionOS device be connected via a wired connected? Is there a limit to the number of remote devices, and if not, could macOS render different things per remote device simultaneously? Can I also use mixed mode with passthrough enabled, instead of just a fully-immersive mode? Can I use RealityKit instead of Metal? If so, may I have an example, or would someone point to an example?
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Sep ’25
visualBounds ignores TextComponents set for Entity. Workarounds?
After adding TextComponents to my Entities on visionOS, I have observed that visualBounds will ignore the TextComponents. Documentation states that it should render a rounded rectangle mesh. These mashes are visible on the device, but not visible in the debugger ("Capture Entity Hierarchy") and ignored by visualBounds. Am I missing something? static func makeDirection(_ direction: Direction) -> Entity { let text = Entity() text.name = direction.rawValue text.setScale(SIMD3(repeating: 5), relativeTo: nil) text.transform.rotation = direction.rotation text.components.set(direction.textComponent) return text } My workaround is to add a disabled ModelEntity and take its bounds 😬
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Dec ’25
Triangle Recommendation Limit for M5 Vision Pro
For the M2 Apple Vision Pro, there's "a general guideline, we recommend no more than 500 thousand triangles for an immersive scene, with 250 thousand for applications in the shared space." --https://developer.apple.com/videos/play/wwdc2024/10186/?time=147 Is there a revised recommendation for the M5 Apple Vision Pro?
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Nov ’25
Game Controller Input Limitations in visionOS Volumetric Windows - Need Clarification
Game Controller Input Limitations in visionOS Volumetric Windows Hello Apple Developer Community, I'm developing a game for visionOS and have encountered significant limitations with game controller input when using volumetric windows (WindowGroup with .volumetric style). I'd appreciate clarification on whether this is expected behavior and any guidance on best practices. 🧩 Issue Summary When using a DualSense controller with a volumetric window in visionOS, only a subset of controller inputs are available to the app. The remaining inputs appear to be reserved by the system for UI navigation. ✅ Working Inputs (Volumetric Window) D-Pad (all directions) L3 (left thumbstick button click) R3 (right thumbstick button click) Menu button Options button ❌ Not Working Inputs (Volumetric Window) Left thumbstick analog movement (used for UI scrolling instead) Right thumbstick analog movement (used for UI scrolling instead) Face buttons (Cross, Circle, Square, Triangle / A, B, X, Y) Shoulder buttons (L1, R1) Triggers (L2, R2) Key observation: When moving the left thumbstick in a volumetric window, the window's UI scrolls vertically instead of sending input to my app's GameController handlers. Similarly, face buttons seem to be reserved for system UI interactions. ⚙️ Implementation Details I'm using the standard GameController framework: Connect to controller via GCController.controllers() Access extendedGamepad profile Set up valueChangedHandler and pressedChangedHandler for all inputs Handlers confirmed registered via logging Working inputs (D-Pad, L3, R3) trigger immediately and consistently Non-working inputs (thumbsticks, face buttons) never trigger 🧠 Critical Finding: ImmersiveSpace Works Perfectly When testing the exact same code in an ImmersiveSpace (.mixed immersion style), all controller inputs work perfectly: ✅ Both thumbsticks provide full analog input ✅ All face buttons trigger their handlers ✅ All shoulder buttons and triggers work correctly ✅ 100% success rate with no intermittent issues This suggests the issue isn't with my code, but rather how visionOS handles controller input differently between Volumetric Windows and ImmersiveSpace. 🧪 Test Environment I created a minimal test project (Controller-Playground) to isolate the issue: A simple ControllerTester class that registers all GameController handlers A visual UI showing real-time input state No game logic, RealityKit physics, or other complexity Results In volumetric window: Only D-Pad, L3, R3, Menu, Options work In ImmersiveSpace: All inputs work perfectly This confirms the limitation exists at the visionOS platform level, not in app code. 🧰 Attempted Workarounds I tried the following without success: Setting GCSupportsControllerUserInteraction = false in Info.plist Setting UIRequiresFullScreen = true Changing window styles (.plain, .volumetric) Polling vs. handler-based input approaches Various threading models (MainActor, separate thread) Result: The only way to enable full controller support is to switch to ImmersiveSpace. ❓ Questions for Apple Is this input reservation behavior in volumetric windows intended and documented? Are game controllers expected to have limited functionality in volumetric windows while full functionality is reserved for ImmersiveSpace? Is there a way to request full controller input access in a volumetric window, or is ImmersiveSpace the only option for complete controller support? Where can I find official documentation about controller input differences between window types? Are there any APIs or configuration options to disable system controller shortcuts in volumetric windows? 🎯 Impact This limitation has a significant effect on game design and architecture: Volumetric windows offer a multitasking-friendly, less immersive experience ImmersiveSpace provides full controller support but may be more immersive than some games require Games that only need basic D-Pad and button input can work fine in volumetric windows Games requiring analog sticks or face buttons must currently use ImmersiveSpace It would be very helpful if Apple could clarify or reference existing documentation regarding controller input handling in different visionOS window types. If such documentation doesn't exist yet, it might be valuable to include this information in future developer guides or best-practice documents. 🕹 Current Workaround For now, I'm using: D-Pad for character movement (digital 8-direction) R3 (right stick click) as a substitute for the "X" button This setup allows the game to function within a volumetric window, though full controller support still requires ImmersiveSpace. 📄 Request If this is expected behavior, I may have simply missed the relevant documentation — could you please point me to any existing resources that explain this design? If there isn't one yet, it would be great if future visionOS documentation could: Clearly outline controller input behavior across window types Provide guidance on when to use Volumetric Windows vs. ImmersiveSpace for games Consider adding an API option to request full controller access when appropriate If this is not expected behavior, I'm happy to file a detailed bug report with sample code. 💻 System Information visionOS: Latest Simulator Xcode: Latest version Controller: Sony DualSense Framework: GameController (standard extendedGamepad profile) Test project: Minimal reproducible example available Thank you for any clarification or guidance you can provide. This information would be valuable for many developers working on visionOS games.
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Oct ’25
visionOS pushWindow being dismissed on app foreground
We seen to have found an issue when using the pushWindow action on visionOS. The issue occurs if the app is backgrounded then reopened by selecting the apps icon on the home screen. Any window that is opened via the pushWindow action is then dismissed. We've been able to replicate the issue in a small sample project. Replication steps Open app Open window via the push action Press the digital crown On the home screen select the apps icon again The pushed window will now be dismissed. There is a sample project linked here that shows off the issue, including a video of the bug in progress
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