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Hello Apple Developer Support, I’m developing a virtual camera using the CMIOExtensionDevice / CMIOExtensionStreamSource APIs on macOS. While the virtual camera appears in system settings and apps like Zoom and Google Meet, the video output exhibits the following issues: Jittering frames: The first frame sometimes appears correctly, but subsequent frames flicker or jitter. Solid color fill: Eventually, the camera feed fills entirely with a solid accent color (e.g., blue), rather than the intended video content. Console logs: Repeated messages appear in Console.app: Invalid display 0x00000000 Setup details: The virtual camera is created using CMIOExtensionDevice and CMIOExtensionStream. Video frames are rendered from NSImage/CGImage using CGContext and copied into CVPixelBuffers. Frame delivery is controlled by a DispatchSourceTimer at 60 FPS. macOS version: [Your macOS version here] Xcode version: [Your Xcode version here] Observations: The Invalid display 0x00000000 logs suggest that CGCont

I decided to try out XCode 26.2s new AI abilities but I only get a Your request couldn't be completed. When clicking the details button I get see this error: InferenceError::unspecifiedUnderlyingError::Error(message: Unknown parameter: 'tool_call_outputs'., type: invalid_request_error, code: Optional(unknown_parameter), privacyPassRedemptionResponse: nil, userFacingLocalizedErrorMessage: nil) How do I fix that?

Hi, I’m trying to reliably detect when system screen recording finishes, and I’m observing behavior that I don’t fully understand when a Live Activity is expanded via Dynamic Island. Environment Devices: iPhone 16 Pro iOS: 26.2 Xcode: 26.2 Using UIScreen.isCaptured and UIWindowScene.sceneCaptureState Implementation: I observe capture state like this: private var observation: NSKeyValueObservation? func startObserving() { observation = UIScreen.main.observe(.isCaptured, options: [.new]) { _, change in print(isCaptured:, change.newValue ?? false) } } I also check: window.traitCollection.sceneCaptureState Steps to Reproduce Start system screen recording from Control Center. Confirm UIScreen.main.isCaptured == true. Expand a Live Activity via the Dynamic Island (e.g. timer or call). Observe capture state values while the Live Activity UI is expanded. Observed Behavior While screen recording is still active: UIScreen.main.isCaptured becomes false sceneCaptureState becomes .inactive This state persists whi

We have a VPN app that uses NEPacketTunnelProvider with includeAllNetworks = true. We've encountered an issue where push notifications are not delivered over Wi-Fi while the tunnel is active in a pre-MFA quarantine state (tunnel is up but traffic is blocked on server side), regardless of whether excludeAPNS is set to true or false. Observed behavior Wi-Fi excludeAPNS = true - Notifications not delivered Wi-Fi excludeAPNS = false - Notifications not delivered Cellular excludeAPNS = true - Notifications delivered Cellular excludeAPNS = false - Notifications not delivered On cellular, the behavior matches our expectations: setting excludeAPNS = true allows APNS traffic to bypass the tunnel and notifications arrive; setting it to false routes APNS through the tunnel and notifications are blocked (as expected for a non-forwarding tunnel). On Wi-Fi, notifications fail to deliver in both cases. Our question Is this expected behavior when includeAllNetworks is enabled on Wi-Fi, or is this a known issue / bug with APN

In SwiftUI for macOS, how do I configure a Picker as a segmented control to have a flexible width? This design pattern is present in Xcode 26 at the top of the sidebar and inspector panel. I can't figure out the combination of view modifiers to achieve a similar look. import SwiftUI struct ContentView: View { @State private var selection = 0 var body: some View { VStack { Picker(, selection: $selection) { Image(systemName: doc) Image(systemName: folder) Image(systemName: gear) Image(systemName: globe) .frame(maxWidth: .infinity) // Doesn't do anything. } .labelsHidden() .pickerStyle(.segmented) .frame(maxWidth: .infinity) // Doesn't affect segment sizes. Spacer() } } } I want the entire Picker to fill the width and for each segment to be of equal widths. How? In AppKit I would use AutoLayout for the flexible width and NSSegmentedControl.segmentDistribution for the segment widths. Is there a SwiftUI equivalent? macOS 26 / Xcode 26.3

I'm submitting a native macOS app (Swift/SwiftUI, arm64) that includes Sparkle.framework for auto-updates. All binaries are signed with a Developer ID Application certificate using --options runtime and --timestamp. I've submitted 12+ times over the past two days, both from local notarytool submit and from GitHub Actions CI. Every submission uploads successfully and returns a valid submission ID, but then stays at In Progress indefinitely — none have resolved to Accepted or Invalid. Two early submissions did eventually come back Invalid — Apple's rejection log showed the Sparkle nested binaries had ad-hoc signatures (they were being signed as individual Mach-O files instead of bundle directories). I fixed this with proper inside-out bundle signing. Since the fix, local codesign --verify --deep --strict passes cleanly, but all ~10 subsequent submissions remain stuck at In Progress. 9UT54V24XG Would appreciate any guidance, or if someone from the notary team could check our queue. Happy to provide spec

I have an iOS app that uses RealityView to display some models and interact with them, and the app uses regular iOS app navigations, then a challenge I'm facing is how to maintain multiple RealityView on multiplescreens. For example Screen A has a RealityView, and then I navigate to Screen B (also has a RealityView) using stack based navigation, when I do so I got a crash -[MTLDebugRenderCommandEncoder validateCommonDrawErrors:]:5970: failed assertion `Draw Errors Validation Fragment Function(fsRealityPbr): argument envProbeTable[0] from Buffer(7) with offset(0) and length(16) has space for 16 bytes, but argument has a length(864). Fragment Function(fsRealityPbr): incorrect type of texture (MTLTextureType2D) bound at Texture binding at index 20 (expect MTLTextureTypeCubeArray) for envProbeDiffuseArray[0]. Interestingly this crash only happens when debugging with Xcode, not happens when the app runs on its own. I'm not sure what I'm doing is anti-pattern or it's some Xcode debugging limitatio

My brand new 1.0 app is approved and pending developer release. As part of my release checks, I like to download the app store release using a promo code. On both iOS and macOS, redeeming a promo code for the respective builds gives the error you see in the screenshot: Unable to Redeem. This content is incompatible with the current software on this device. Update your device to the latest software version and try again. The app targets iOS 26.0, and my devices are running iOS 26.3, and it was built with Xcode 26.3. I'm relying on this feature for sending a build to pre-release media for reviews/articles, and am worried I'll embarrass myself. Other developers: Have you also had this issue? Do you know a work around for this issue? Apple: Please help! Is there anything I can do?