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Running tests on multiple simulators and local mock servers
Hello, I have a question about running tests on multiple simulators. Currently, my company has a WDIO+Appium test suite with XCUITEST driver that runs on a single simulator through a mockttp proxy (we are intercepting and mocking some of the responses from our APIs and pass through the rest). In order to route the traffic we are currently using 'networksetup -setsecurewebproxy '. Everything works as expected. With growing number of tests we'd like to scale number of simulators on a single host to 3-5. We have a working setup but the problem are system-wide proxy settings routing traffic from multiple simulators, which we can't distinguish by UDID or any other means, we know of. We can spin multiple mock servers on the same machine but we are struggling to find the way to route the traffic on a simulator basis. In the end, both options are viable: 1 mock server running for multiple simulators N number of mock servers for N number of simulators Has anyone had the same/similar problem? How to approach this? We are currently running on Sequoia OSX and platform version 18.6. Thanks!
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101
Dec ’25
Gyro/Orientation iframe embed doesn't work on iOS26, works on iOS 18.5
So I'm testing a microapp that is contained in an IPFS folder. I use a web3 website that is used to view NFTs and their IPFS files. The app has gyro controls, which are enabled through a confirmation gesture. In iOS 18.5, when I press "Request Permission" button I get the popup to allow the app to acess movement and orientation. In iOS26, pressing the button does nothing. Keep in mind that this only happens through the website, that uses iframes. When I load the IPFS file from a direct link, the popup appears with no issue. I think this might be because iOS26 uses WebGPU or it might be a bug since iOS26 is still in beta.
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255
Jul ’25
Why does my zsh prompt permanently change?
Hey, I am using the terminal a lot. Since I updated to Sonoma (so, really a long time ago). My prompt or more precise the hostname always changes between three states. Sometimes it is username@Macbook-Pro-of-XXX, sometimes username@MacbookPro and sometimes it's username@xxxxxxxx-yyyy-zzzz-aaaa-bbbbbbbbbbbb. The latter is probably my UUID. Does anyone have a clue why this randomly changes?
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90
Mar ’25
Device token for DeviceCheck API
Hi all, I'm trying to integrate Apple’s DeviceCheck API into my Flutter iOS app. I already have everything set up on the backend — the Apple private key, key ID, team ID, and DeviceCheck capability. The backend is generating and signing the JWT correctly and making requests to Apple. However, I’m currently stuck on the frontend (Flutter): 👉 How can I generate the device_token required by the DeviceCheck API (via DCDevice.generateToken) in a Flutter iOS app? I understand that DCDevice.generateToken() must be called from native Swift code. I previously attempted to use a MethodChannel to bridge this in Swift, but would prefer not to write or maintain native Swift code if possible. I've looked for a prebuilt Flutter package to handle this, but nothing exists or is up-to-date on pub.dev. Main Question: Is there any Apple-supported way to generate the device_token for DeviceCheck from a Flutter app without writing Swift code manually? If not, is DCDevice.generateToken() the only possible approach, and must I implement this via Swift and Flutter platform channels? Thanks!
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162
Apr ’25
AppleWatchのデベロッパモードをONにする方法
開発アプリで通知確認を行うため、UDIDをプロビジョニングプロファイルに追加する必要があります。 iPhoneのUDIDは取得することができたのですが、AppleWatchのUDIDを取得する方法が分かりません。 Xcodeと接続してUDIDを取得しようとしましたが、iPhoneのみ認識がされAppleWatchが認識されていません。 AppleWatchもデベロッパモードをONしなければならないとAppleから返答をもらったが、その方法がわからないのでどなたかご教授お願い致します。
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126
Oct ’25
Help Analyzing Crash Logs – Auto Layout Threading Violation, Memory Pressure, CPU Usage
We're facing critical stability issues with a Xamarin-based iOS warehouse management app and need expert validation of our crash log analysis. We’re seeing recurring issues related to: Auto Layout Threading Violations Memory Pressure Terminations CPU Resource Usage Violations These are causing app crashes and performance degradation in production. We've attached representative crash logs to this post. Technical Validation Questions: Do the crash logs point to app-level defects (e.g., threading/memory management), or could user behavior be a contributing factor? Is ~1.8GB memory usage acceptable for enterprise apps on iOS, or does it breach platform best practices? Do the threading violations suggest a fundamental architectural or concurrency design flaw in the codebase? Would you classify these as enterprise-grade stability concerns requiring immediate architectural refactoring? Do the memory logs indicate potential leaks, or are the spikes consistent with expected usage patterns under load? Could resolving the threading violation eliminate or reduce the memory and CPU issues (i.e., a cascading failure)? Are these issues rooted in Xamarin framework limitations, or do they point more toward app-specific implementation problems? Documentation & UX Questions: What Apple-recommended solutions exist for these specific issues? (e.g., memory management, thread safety, layout handling) From your experience, how would these issues manifest for users? (e.g., crashes, slow performance, logout events, unresponsive UI, etc. JetsamEvent-2025-05-27-123434_REDACTED.ips ) WarehouseApp.iOS.cpu_resource-2025-05-30-142737_REDACTED.ips WarehouseApp.iOS-2025-05-27-105134_REDACTED.ips Any insights, analysis, or references would be incredibly helpful. Thanks in advance!
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140
Jun ’25
Extremely slow download speed for iOS 26.2 Simulator Runtime in Xcode
I am located in Taiwan and recently updated my Mac to the latest OS and installed the newest Xcode. However, I’m experiencing extremely slow download speeds when trying to add the iOS 26.2 Simulator Runtime (approx. 8GB) via Xcode > Settings > Platforms. It is currently downloading at a rate of only 500MB per hour, which is impractical. I have checked the official downloads page but couldn't find a standalone DMG link for this specific version. My questions are: Is there a direct download link (DMG) available on the Apple Developer portal for the iOS 26.2 Simulator? If no direct link exists, are there any recommended methods to accelerate the download? (e.g., using terminal commands or changing DNS settings). Any help or direct URLs would be greatly appreciated. Thank you!
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6d
C compilation problem
Hi Would someone happen to know how to solve the problem when installing Concorde.jl in julia: (@v1.11) pkg> add Concorde Resolving package versions... No Changes to ~/.julia/environments/v1.11/Project.toml No Changes to ~/.julia/environments/v1.11/Manifest.toml Precompiling project... ✗ Concorde 0 dependencies successfully precompiled in 2 seconds. 238 already precompiled. 1 dependency errored. For a report of the errors see julia> err. To retry use pkg> precompile (@v1.11) pkg> build Concorde Building Concorde → ~/.julia/scratchspaces/44cfe95a-1eb2-52ea-b672-e2afdf69b78f/5d9f1b1a480235ffdd3c8ab8cab011aa9afe81af/build.log ERROR: Error building Concorde, showing the last 100 of log: x ./concorde/TOOLS/prob2tsp.c x ./concorde/TOOLS/showres.c ... x ./concorde/VERIFY/Makefile.in x ./concorde/README loading cache ./config.cache checking host system type... Invalid configuration darwin': machine darwin' not recognized checking for prespecified compiler options... no checking for gcc... (cached) gcc checking whether the C compiler (gcc -fPIC -O2 -g ) works... no configure: error: installation or configuration problem: C compiler cannot create executables. ERROR: LoadError: failed process: Process(bash -c "CFLAGS='-fPIC -O2 -g' ./configure --with-qsopt=/Users/poss/.julia/packages/Concorde/VRfqN/deps/qsopt --host=darwin", ProcessExited(1)) [1] It seems to be related to the M3 processor as I have the same error on another Mac with that processor, while the M2 I tried on could install the package properly. It is related to my C compiler, but the latter works, despite the error "checking whether the C compiler (gcc -fPIC -O2 -g ) works... no" poss@Mac-de-Michael ~ % gcc --version Apple clang version 16.0.0 (clang-1600.0.26.6) Target: arm64-apple-darwin24.1.0 Thread model: posix InstalledDir: /Library/Developer/CommandLineTools/usr/bin poss@Mac-de-Michael ~ % gcc -fPIC -O2 -g test.c Best, Michaël.
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236
Feb ’25
Sign in with Google Issue
We're having issues getting Sign in with Google to function on TestFlight (not experiencing these issues on iOS Browser) with user unable to be authorised and proceed to logged in screens of our app. Below are the three sign-in methods tested and the exact results for each. Button 1: Default Standard Google Sign-In button (Google JavaScript SDK) embedded in the frontend. Uses the normal OAuth browser redirect flow. Auth URL: https://accounts.google.com/o/oauth2/v2/auth?... Sometimes disallowed_useragent error. Other times a 400 invalid_request error. In most cases the callback is never triggered inside the wrapper. Appears that the wrapper does not retain cookies/session data from the external Google window. Button 2: Custom Custom button calling Google OAuth through our own redirect handler. Explicitly set a custom user-agent to bypass disallowed user agent logic. Later removed user-agent override entirely for testing. Added multiple ATS (App Transport Security) exceptions for Google domains. Added custom URL scheme to Info.plist for OAuth redirect. Changing the user-agent had no effect. ATS exceptions + scheme support verified and working. Redirect still fails to propagate tokens back to the WebView. In tests a few weeks ago we got to Google’s login page, but it never returned to the app with a valid code. Now we are consistently getting disallowed_useragent error. Button 3: Default Same as Button 1 however tested outside of Vue.js with just plain JavaScript. Added new Google domain exceptions and updated redirect URIs. Behaviour matches Button 1 Google account selection sometimes worked, however now consitently disallowed_useragent error Additional Technical Attempts User-Agent Modifications Set UA to standard desktop Chrome → no effect. Removed UA override → no effect. ATS / Domain / Scheme Configuration Added: accounts.google.com .googleusercontent.com *.googleapis.com
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268
Nov ’25
Public radar reports
Hello Apple community ! Not here to report an issue but I just wanted to make a suggestion ^^ I feel like a common frustration amongst developers is the lack of transparency over bugs filed on developer tools, SDKs, iOS versions, the whole Apple ecosystem really. This leads to the creation of parallel bug tracking tools (https://github.com/feedback-assistant/reports?tab=readme-ov-file / https://openradar.appspot.com/page/1) or filing of duplicates for reports that may already exist and are being worked on. I feel like this would save time for both external developers that encounter bugs & Apple engineers that have to look for possible duplicates to share a common public database of issues. Other companies have this kind of system in place (Google for example : https://issuetracker.google.com/) so why not Apple ? Thank you
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136
May ’25
Apple 1-Hour Security Feature Keeps Triggering When Registering iPhone (Starlink User)
Hi everyone, I’m hoping someone here can shed some light on what’s going on with Apple’s one-hour security delay when trying to register an iPhone for development use. I’m currently setting up an app build using Expo / EAS and a paid Apple Developer account. Every time I scan the device registration QR code or try to authorise my iPhone as a development device, I get hit with a “security delay — try again in one hour” message. This happens every single time, even if I wait the full hour. The device is the same iPhone I always use, signed in to the same Apple ID, and verified with 2FA. The only thing unusual about my setup is that I’m using Starlink for internet access. Because Starlink uses dynamic IP routing and your exit node changes frequently (depending on which satellite or ground station you’re on), it looks like I’m signing in from a new location each time — sometimes even hundreds of miles apart. It seems that Apple’s security system flags each of these as a “new login” or “new device registration,” then enforces a one-hour safety lockout. That makes it basically impossible to register my device and proceed with iOS builds or testing. Has anyone else run into this problem while using Starlink (or other dynamic-routing connections like VPNs or cellular hotspots)? And if so — is there any known workaround or setting to whitelist a device, stabilise verification, or bypass the repeated one-hour wait? This feels like an over-protective security feature that doesn’t play well with modern satellite internet setups. Any insights from the Apple engineers or other developers would be hugely appreciated. Thanks, Tim Lazenby
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72
Oct ’25
Persistent Sandbox Denials When Building with Capacitor and CocoaPods in Xcode
I am a solo developer building a cross-platform voice assistant app using Capacitor (with HTML, JS) and Xcode for the iOS version. The app is called "Echo Eyes," and it already functions well as a Progressive Web App (PWA). However, the iOS build has been completely blocked due to persistent sandbox permission errors from macOS during the CocoaPods framework embedding phase. This issue has caused severe disruption to my project and personal well-being, and I am writing to formally request assistance in identifying a clear solution. I am not a beginner and have followed all known best practices, forums, and Apple guidance without success. What I’ve Built So Far: Fully working PWA version of the app (voice input, HTML/JS interface) Capacitor initialized with ID: com.echo.eyes.voice Capacitor iOS platform added with CocoaPods App runs fine until Xcode reaches: [CP] Embed Pods Frameworks The Exact Problem: Sandbox: bash(12319) deny(1) file-read-data /Users/Shared/projects/Echo_Mobile/ios/App/Pods/Target Support Files/Pods-App/Pods-App-frameworks.sh Command PhaseScriptExecution failed with a nonzero exit code Clarification: This is not an HTML/JS issue. The failure occurs in Xcode long before web assets are embedded into the bundle. The shell script /Pods-App-frameworks.sh cannot be read due to macOS sandbox restrictions. Everything I’ve Tried: Gave Xcode and Terminal Full Disk Access Ran: sudo xattr -rd com.apple.quarantine on the entire Pods directory Added /bin/bash and /bin/sh to Full Disk Access (after confirming the exact shell via $SHELL) Attempted to disable Gatekeeper via Terminal: sudo spctl --master-disable (confirmed not effective without GUI toggle) Tried relocating project to /Users/Shared/projects/ Cleaned build folder, removed derived data, reinstalled pods Debugged shell usage with: echo "▶️ Embedding under shell: $SHELL" in the [CP] Embed Pods Frameworks script Attempted to grant shell access to Documents Folder, Desktop, and more via Files & Folders Current State: Despite following all known and recommended steps, Xcode continues to return the same sandbox error. The shell script that embeds the CocoaPod frameworks is denied permission to read its own contents by macOS. What I Am Asking For: Is this a known issue in current versions of macOS or Xcode regarding sandbox denial for shell execution inside Pods? Is there a recommended method to grant /bin/bash or /bin/sh permission to read and run these scripts under Xcode without compromising system security? Is moving the project outside /Users (e.g. to /Projects) the only real workaround? Are there official Apple workarounds or entitlements available for developers encountering this? Personal Note: This issue has caused significant emotional and physical distress. I’m building this app as a personal healing tool and companion. I’ve poured months of work into this and done everything I can to follow Apple’s development guidelines. I’m not asking for hand-holding — only a clear, respectful response confirming whether this is expected behavior and what can be done to resolve it. Thank you for your time and understanding.
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166
Jun ’25
Intermittent Screen Lock During Appium Tests on iOS 18 Simulator
I am running Appium tests on an iOS 18 simulator, and I am encountering an intermittent issue where the device screen gets locked unexpectedly during the tests. The Appium logs show no errors or unusual activity, and all commands appear to be executed successfully. However, upon reviewing the device logs, I see entries related to the lock event, but the exact cause remains unclear. SpringBoard: (SpringBoard) [com.apple.SpringBoard:Common] lockUIFromSource:Boot options:{ SBUILockOptionsLockAutomaticallyKey: 1, SBUILockOptionsForceLockKey: 1, SBUILockOptionsUseScreenOffModeKey: 0 } SpringBoard: (SpringBoard) [com.apple.SpringBoard:Common] -[SBTelephonyManager inCall] 0 SpringBoard: (SpringBoard) [com.apple.SpringBoard:Common] LockUI from source: Now locking Has anyone experienced similar behavior with Appium on iOS 18, or could there be a setting or configuration in the simulator that is causing this issue?
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120
Apr ’25
SystemData and IOS Images
Hi, I’m trying to free up space on my computer and have uninstalled Xcode. However, I noticed that many large files remain on the filesystem even after uninstalling it. The largest remaining files (~33 GB) are iOS Simulator images located at: /System/Volumes/Data/Library/Developer/CoreSimulator/Volumes I attempted to delete them using root privileges, but it seems that these system files are mounted as read-only. I’m reaching out to ask for guidance to ensure that these files do not contain anything important for macOS, and that it’s safe to remove them before getting in recovery mode. Thank you very much for your advice!
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79
Aug ’25
iOS App'te Elektronik Sözleşme Onayı ve Hukuki Geçerlilik Süreci (KVKK - SwiftUI)
Merhaba, iOS üzerinde bir sözleşme onay uygulaması geliştiriyorum. Kullanıcıların dijital ortamda sözleşmeleri okuyup onaylaması gerekiyor. Ancak hukuki geçerlilik konusunda bazı tereddütlerim vardı. Bursa’da yaşayan biri olarak bu konuda bir avukata danışmam gerekti. Şans eseri https://www.avukatcanata.com ile karşılaştım ve hem bireysel hem ticari sözleşmeler konusunda gerçekten çok net açıklamalar sundular. Özellikle elektronik imza ve KVKK uyumu hakkında verdikleri bilgiler sayesinde projemi yasal zemine oturtabildim. Eğer bu tarz uygulamalar geliştiriyorsanız, mutlaka bir hukukçu görüşü alın. Yanlış bir adım size veya kullanıcınıza ciddi sonuçlar doğurabilir. Teşekkürler 🍏
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Jul ’25
SwiftMacros Not able to access of main project XCTest File.
I have developed a Swift macro called @CodableInit in the SwiftCodableMacro module, and I’m able to use it successfully in my main project. Here’s an example usage: import SwiftCodableMacro @CodableInit // This is for Codable macros public class ErrorMonitoringWebPlugin { public var identifier: UUID = UUID() // MARK: - Codable required public init(from decoder:Decoder) throws { let values = try decoder.container(keyedBy: CodingKeys.self) identifier = try values.decode(UUID.self, forKey: .identifier) } } However, when I try to write a unit test for the ErrorMonitoringWebPlugin class, I encounter an issue. Here's the test case: func testCodableSubjectIdentifierShouldEqualDecodedSubjectIdentifier() { self.measure { let encoder = JSONEncoder() let data = try? encoder.encode(subject) //Here I am getting this error Class 'JSONEncoder' requires that 'ErrorMonitoringWebPlugin' conform to 'Encodable' let decoder = JSONDecoder() let decodedSubject = try? decoder.decode(ErrorMonitoringWebPlugin.self, from: data!) XCTAssertEqual(subject.identifier, decodedSubject?.identifier) } } The compiler throws an error saying: Class 'JSONEncoder' requires that 'ErrorMonitoringWebPlugin' conform to 'Encodable' Even though the @CodableInit macro is supposed to generate conformance, it seems that this macro-generated code is not visible or active inside the test target. How can I ensure that the @CodableInit macro (from SwiftCodableMacro) is correctly applied and recognized within the XCTest target of my main project?
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83
Jun ’25
"Application has not loaded accessibility" timeout followed by silent auto-recovery corrupts framework state on iOS 18
On iOS 18, when XCUITest encounters an "Application has not loaded accessibility" error after the 60 second timeout, it performs an undocumented auto-recovery ("Setting up automation session") instead of halting the test as documented. This leaves the XCUITest framework in a corrupted state, causing subsequent tests in the same session to fail with unexpected behavior. Expected Behavior (per Apple documentation): Any failure in the launch sequence will be reported as a test failure and the test will be halted at that point. Actual Behavior: XCUITest waits 60 seconds for accessibility to load Logs "Application has not loaded accessibility" error Instead of halting, performs "Setting up automation session" (auto-recovery) Test continues with corrupted framework state Subsequent tests in the same session fail with phantom element queries Steps Run XCUITest suite on a real iOS 18 device Have an app with moderately heavy initialization (e.g., synchronous network operations during bootstrap) Observe intermittent "accessibility not loaded" errors When error occurs, subsequent tests fail with unexpected behavior Test Logs Evidence First test (accessibility failure + recovery): t = 11.11s Wait for accessibility to load t = 71.14s Capturing diagnostic spindump t = 76.24s Assertion Failure: Application 'com.example.app' has not loaded accessibility t = 76.26s Setting up automation session ← Undocumented recovery t = 77.29s Tear Down Second test (corrupted state): t = 35.01s Tap "signin-button" t = 35.55s Waiting for "bannerButtonStackFirstItem" ← Query NOT in test code! t = 40.58s Assertion Failure: Failed to find element The second test executes element queries that do not exist in its source code, indicating leaked/corrupted state from the previous test's failed recovery. Note: The tearDown() method terminates the app but cannot reset the internal state of the XCUITest framework itself, so corruption persists across tests. We are observing this behavior consistently on iOS 18 real devices. We would like to know: Is this a known issue with XCUITest on iOS 18? Is anyone experiencing similar "accessibility not loaded" failures followed by auto-recovery? Is the "Setting up automation session" recovery behavior intentional or a bug? Is there a recommended workaround to prevent framework state corruption between tests?
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16h