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LLDB crash

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Reply to macOS 26 Launch Constraints
I'm only attempting to apply launch constraints because it seems to be the remedy to the helper/daemon crash. If there is a simpler remedy (like a new build setting I'm missing in XCode 26?) that would be even better. Mainly, I'm confused as to why building with XCode 26 and linking with macOS 26 would cause a crash with that code signing reason when previously it did not.
Topic: Code Signing SubTopic: General Tags:
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Reply to App mysteriously crashing in CFNetwork.LoaderQ queue
[quote='857581022, vojta.bohm, /thread/799368?answerId=857581022#857581022, /profile/vojta.bohm'] it's true by default on the shared URLSession which I use throughout the entire app. [/quote] Right. My suggestion was to set it to false, thereby enabling the new loading mode. If you see this crash with the new loading mode enabled, that’d be a useful datapoint. Share and Enjoy — Quinn “The Eskimo!” @ Developer Technical Support @ Apple let myEmail = eskimo + 1 + @ + apple.com
Topic: Programming Languages SubTopic: Swift Tags:
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Reply to ICEcard app closes when try to Face Scan via app
I downloaded Runner-2025-09-11-220305.ips and used Quick Look in the Finder to get the human readable version. Here’s what I see: Exception Type: EXC_CRASH (SIGABRT) Exception Codes: 0x0000000000000000, 0x0000000000000000 Termination Reason: TCC 0 This app has crashed because it attempted to access privacy-sensitive data without a usage description. The app's Info.plist must contain an NSMicrophoneUsageDescription key with a string value explaining to the user how the app uses this data. This shows that your app is trying to access the microphone but has no NSMicrophoneUsageDescription property. Share and Enjoy — Quinn “The Eskimo!” @ Developer Technical Support @ Apple let myEmail = eskimo + 1 + @ + apple.com
Topic: App & System Services SubTopic: General Tags:
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TextEditor Problem Or Me?
When using SwiftUI's TextEditor, the application crashes immediately on launch. This occurs even in a brand new project with the simplest usage. If I remove the TextEditor, the application runs normally. Environment: OS: macOS 15.6.1 Xcode: 16.4 SDK: macOS 14 (and also tried with macOS 15 SDK) Steps to Reproduce: Create a new SwiftUI macOS App project. Replace ContentView with the following code: import SwiftUI struct ContentView: View { @State private var text = 114514 var body: some View { TextEditor(text: $text) } } Run the app. Expected Result: The app should display a working TextEditor. Actual Result: The app immediately crashes, and the debugger shows a Metal assertion error. If I remove the TextEditor, the app works fine. Screenshot: Additional Notes: This issue did not occur on macOS 14 / Xcode 15.4. It reproduces even in an empty project. Possibly related to SwiftUI/Metal integration on macOS 15.6.1. 這樣寫更專業、清楚,Apple 工程師能快速重現和定位問題。 如果你要用中文回報也可以,我能幫你翻譯。
Topic: UI Frameworks SubTopic: SwiftUI
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Reply to TextEditor Problem Or Me?
I am also able to reproduce a crash using the provided code; however, it does not immediately crash for me; rather, if I select the text then it will crash (with a metal-related error). I'm running MacOS Sequoia (15.5) with XCode Version 26.0 beta 4 (17A5285i).
Topic: UI Frameworks SubTopic: SwiftUI
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Reply to TextEditor Problem Or Me?
I see a very similar issue. The swift code has a text editor (NSTextView) and as soon as a scroll bar is added, the app crashes with an error like: [MTLDebugRenderCommandEncoder setRenderPipelineState:]:1616: failed assertion `Set Render Pipeline State Validation For color attachment 0, the texture sample count (1) does not match the renderPipelineState sampleCount (1065353216). and a similar-looking stacktrace involving MTLReportFailureand other drawing-related functions like QuartzCore (draw_shape, array_flush, draw_elements, draw etc). Possibly relevant - this is on an older intel mac with a now-unsupported GPU.
Topic: UI Frameworks SubTopic: SwiftUI
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Reply to FSKit volume mount fails with "Permission denied"
As a quick admin note, the comment feature in our forums doesn't really work very well, so I'd always recommend just posting your reply. These log message from com.apple.FSKit, category default, seem relevant. Looking at our code, I think something went wrong in your probeResource. Breaking down the log messages, these three messages are logged before calling probeResource and validates basic I/O: Successful dynamic cast of resource to bd. Got fd 3 readFirstSectorAndLog reading from 3 got rv 512 error (null) Successful read, first characters 4c4b:6000 This is logged by the reply block we pass to probeResource. The null here indicates that the FSProbeResult you returned was NULL: Returning (null) And this is logged shortly after in the same block, logging the Error probeResource returned: FSModule dev.steve.MFSLives.MFS probe: returned Error Domain=NSPOSIXErrorDomain Code=22 Invalid argument Notably, I don't see any logs from my code, so although it claims that the probe failed, it's not because of my code. So
Topic: App & System Services SubTopic: Core OS Tags:
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React Native/Expo App Shows White Screen in Production Builds - Works Fine in Development
Hello Apple Developer Community, I'm experiencing a persistent issue with my React Native/Expo app that I've been trying to resolve for weeks. I'm hoping someone here has encountered and solved this problem. The Problem: • My app works perfectly in development (Expo Go, local builds, simulators) • When built for production and installed via TestFlight, it shows only a white screen • The app launches successfully (no crashes) but never renders any UI • This happens consistently across multiple builds and attempts Technical Details: • Framework: React Native 0.79.5 with Expo SDK 53 • Backend: Supabase • Navigation: React Navigation What I've Tried: ✅ Created missing .env file with environment variables ✅ Installed missing peer dependencies (expo-font) ✅ Ran npx expo-doctor - all checks pass ✅ Added error boundaries and loading screens ✅ Incremented build numbers and rebuilt multiple times ✅ Verified Supabase credentials are correct ✅ Checked native iOS logs - app launches successfully, no crashes
Topic: UI Frameworks SubTopic: General
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SwiftData Fatal error: Editors must register their identifiers before invoking operations on this store
I have a UIKit app where I've adopted SwiftData and I'm struggling with a crash coming in from some of my users. I'm not able to reproduce it myself and as it only happens to a small fraction of my user base, it seems like a race condition of some sort. This is the assertion message: SwiftData/DefaultStore.swift:453: Fatal error: API Contract Violation: Editors must register their identifiers before invoking operations on this store SwiftData.DefaultStore: 00CF060A-291A-4E79-BEC3-E6A6B20F345E did not. (ID is unique per crash) This is the ModelActor that crashes: @available(iOS 17, *) @ModelActor actor ConsumptionDatabaseStorage: ConsumptionSessionStorage { struct Error: LocalizedError { var errorDescription: String? } private let sortDescriptor = [SortDescriptor(SDConsumptionSession.startTimeUtc, order: .reverse)] static func createStorage(userId: String) throws -> ConsumptionDatabaseStorage { guard let appGroupContainer = FileManager.default.containerURL(forSecurityApplicationGr
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Reply to SwiftData Fatal error: Editors must register their identifiers before invoking operations on this store
I had the same crash happening, i managed to fix it. let me explain my use case, maybe it helps someone. I had a local database and a cloud database. The user could choose to migrate from local to cloud. During this process, I sometimes got OPs crash. I had something like this: local = try ModelContainer.local() cloud = try ModelContainer.cloud() try migrate(toCloud: true) try local.erase() //after migration, I erased the local instance. local = try ModelContainer.local() // << the fix // reinitializing the local container fixed the crash.
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Xcode Cloud builds are running very long, trying to launch simulator
We have a simple workflow that just runs the Test action on my unit_tests scheme (see Xcode Cloud workflow configuration screenshot). The workflow is configured to use Xcode 16.4 (Latest Release), macOS Sequoia 15.6 (Latest Release), and iOS 18.0 simulators. Today, this workflow has been consistently running indefinitely. The Xcode cloud runner tries to launch the simulator to execute the tests, but it fails. See the error message in the screenshot from Xcode Cloud logs. Link to corresponding build is in my Feedback Assistant ticket. It continues to retry this operation for a very long time — I had one job that ran for over 90 minutes. Link to corresponding build also in that same Feedback Assistant ticket. Are Xcode Cloud runners perhaps currently undergoing maintenance? Or is something else going on. I would appreciate if Xcode Cloud usage from today could be refunded to my team’s account. Feedback Assistant ticket #FB20195292. Error message: MyApp encountered an error (Failed to prepare device 'iPhone 16'
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Reply to macOS 26 Launch Constraints
When building as described above, the helper crashes in such a way (Termination Reason: CODESIGNING 4 Launch Constraint Violation) that suggests I need to apply launch constraints to resolve the problem. I had not previously had launch constraints in my project.
Topic: Code Signing SubTopic: General Tags:
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In the iOS 26 beta, enterprise Apps installed via MDM cannot be run
I am a developer working on iOS apps. I would like to report an issue occurring in iOS 26 beta 2. Our company has Enterprise account, and we are developing apps. When we distribute these apps, and install them on a device running iOS 26 beta2, apps install successfully, but apps crashed immediately after being launched. MDM Install Application When I install the app via Xcode and trust it, apps will run. Launchd job spawn failed This issue does not occur on versions prior to iOS 26. I would like to know if this is a problem that will be resolved in future updates, or if it is a policy change.
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Reply to In the iOS 26 beta, enterprise Apps installed via MDM cannot be run
Hi , Were having a similar issue, our company builds a web safari extension for enterprise. before iOS 26 (beta) release we would archive our extension and install to our devices no problem. since iOS 26 (beta) (we also tried in beta 4 23A5297m) the extension would archive perfectly but when installing the extension would just not run. its found in settings under safari extension, but when enabled the extension and open safari it will show error message Ext is no longer available. to rule out all code issues, we built a new project from scratch with a new bundle id, tried to archive with no problem, but when installed in an iphone 16 with iOS 26 BETA (23A5297m) same error ocurs it installs but when opening safari it will give an error message saying extension is no longer available. attached in the google drive link is a zip file of the new project, a zip file with a succesfull build of the ipa file with enterprise distribute, a video of the entire proccess and the error that the iphone gives. also attached a
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Verify with wallet run in simulator
I am fallowing the steps mention here https://developer.apple.com/wallet/get-started-with-verify-with-wallet/ and https://developer.apple.com/documentation/passkit/requesting-identity-data-from-a-wallet-pass to run a POC in simulator but I am getting a crash DigitalPresentmentSession requestDocument fatal error from xpc: This app has crashed because it called an API it is not entitled to use. :0: Fatal error: This app has crashed because it called an API it is not entitled to use.
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