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Reply to Build errors when trying to upload to App Store Connect
Thanks for the post, I would recommend to look the information on the first error at the link provided on the error: https://developer.apple.com/documentation/bundleresources/ information_property_list/uisupportedinterfaceorientations. And also there is not entitlement supported for 'com.apple.developer.icloud-container-environment' and Xcode is letting you know to remove it. Hope this helps Albert Pascual
  Worldwide Developer Relations.
Topic: Code Signing SubTopic: Entitlements Tags:
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Reply to Foundation Models (Detected Content Likely to be Unsafe) Error
I am working through the Apple Developer Foundations Models Code Along. Last week I successfully completed Chapter 1.6 and got the app to run with Generate Itenerary output. However, this week, I'm now getting a new error and the foundation model is now giving a console error that says Safety guardrails were triggered. If this is unexpected, please use LanguageModelSession.logFeedbackAttachment(sentiment:issues:desiredOutput:) to export the feedback attachment and file a feedback report at https://feedbackassistant.apple.com.
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Performance issues when using the Network API used to create a web server
Hello, We use the Network API in our macOS ObjectiveC applications to create a small web server. With macOS Sequoia or Tahoe (not with Sonoma), downloading files from another computer using the built-in ethernet port is way too slow. Steps to reproduce: Computer A (using macOS Tahoe or Sonoma), run an application using the Network APIs to create a webserver Make sure that this computer connects to the network using the Ethernet port, there is no issue when using WiFi On computer B, make an HTTP request to download a 20MB file => it will take about 30 seconds to download => way too slow... We tested with: if on computer A you run a web server using the GCD API instead of Network, it takes 0.2 seconds to download the file => no issue on computer A disable TSO, it improves the results, but that's not a long term solution as it doesn't hold when rebooting I can provide sample code to demonstrate this if needed. This is a new issue as it's been a while we use that code,
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Reply to Building macOS apps with Xcode 26 on macOS 26 VM
So, the tl;dr here is that this issue is now resolved. There may be other outstanding issues, but you can now: On a macOS 15 or later host, install macOS 15 or later in a VM. On the guest, log in using an Apple Account in System Settings. And install Xcode. And add your Apple Account to Xcode. And then build and run a Mac app. Even if it uses a restricted entitlement. If you’re interested in how I tested the above, I’ve included a summary at the end of this post. If you’re encountering other issues, please start a new thread with the details. This thread is already long enough |-: If you’re interested in the history, I have a summary of that in this post. That was from 13 Jun 2025. Since then there’s been one critical change, namely that on 9 Oct 2025 we rolled out a Developer website update that fixes the provisioning UDID issue (r. 149209127). And on that note, I think I can finally put this issue to bed. Share and Enjoy — Quinn “The Eskimo!” @ Developer Technical Support @ Apple let myEmail = eskimo + 1 +
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Reply to App Clip unavailable
I'll answer my own question. It turns out the solution is quite simple 😏. To fix this error, you need to reduce the size of the App Clip to less than 15 MB (I managed to do this by adding the -Osize parameter to the Swift compiler settings) and rebuild it for iOS 16. This is actually mentioned in the official documentation: https://developer.apple.com/documentation/appclip/choosing-the-right-functionality-for-your-app-clip
Topic: App & System Services SubTopic: General Tags:
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Reply to Xcode 26 crash upon dealloc of `WKNavigationResponse` on Main Thread
[quote='862780022, lucaDG, /thread/804615?answerId=862780022#862780022, /profile/lucaDG'] Following my Bug Report: FB20763245 [/quote] Thanks. I took a look at that and ran into a few problems: There’s no crash report. And no sysdiagnose log from which I might extract a crash report. You’ve attached what I suspect is a test project, but something went wrong with the attachment process because the zip archive is only 29 bytes long )-: And the code you posted above doesn’t compile )-: So, I created a new test project from the iOS > App templates and added your code to the test suite. With that I was able to trigger a crash, but it’s not clear that it’s the same crash you’re seeing. Specifically, the backtrace is quite different from the one you posted: Thread 0 Crashed:: Dispatch queue: com.apple.main-thread 0 JavaScriptCore … WTF::RunLoop::dispatch(WTF::Function&&) + 48 1 WebCore … WebCoreObjCScheduleDeallocateOnMainRunLoop(objc_class*, objc_object*) + 76 2 WebKit … -[WKNavigationR
Topic: Safari & Web SubTopic: General Tags:
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iOS26 captive portal detection changes?
Hi all, I work on a smart product that, for setup, uses a captive portal to allow users to connect and configure the device. It emits a WiFi network and runs a captive portal - an HTTP server operates at 10.0.0.1, and a DNS server responds to all requests with 10.0.0.1 to direct any and all request to the server. When iOS devices connect, they send a request to captive.apple.com/hotspot-detect.html; if it returns success, that means they're on the internet; if not, the typical behavior in the past has been to assume you're connected to a captive portal and display what's being served. I serve any requests to /hotspot-detect.html with my captive portal page (index.html). This has worked reliably on iOS18 for a long time (user selects my products WiFi network, iOS detects portal and opens it). But almost everyone who's now trying with iOS26 is having the automatic pop up behavior fail - usually it says Error opening page - Hotspot login cannot open the page
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Process to request the restricted entitlement behind “DJ with Apple Music” (tempo control / time-stretch on Apple Music streams)?
Hi, I’m an iOS developer building an app with an use case that needs advanced playback on Apple Music subscription streams, specifically: • Real-time tempo change (BPM) during playback — i.e., time-stretch with key-lock, not just crossfade. • Beat-matched transitions between tracks. From what I can tell, this capability seems to exist only for approved partners and isn’t available through public MusicKit. Question: What’s the official request path to be evaluated for that restricted partner entitlement (application form, questionnaire, NDA, or internal team/BD contact)? If the entitlement identifier is internal, how can I get my account routed to the right Apple Music team? For reference, publicly announced partners include Algoriddim djay, Serato DJ Pro, rekordbox (AlphaTheta), and Engine DJ—all of which appear to implement mixing features that imply advanced playback (tempo/beat-matching) on Apple Music content. I’d prefer not to share product details publicly for the moment and can provide specifi
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Unable to write to file system when building for My Mac (Designed for iPad)
Our app is unable to write to its own sandbox container on macOS when run via “My Mac (Designed for iPad)”. This is not an issue when the app runs on iPhone or on iPad. This seems to affect all attempts to write to the file system including: UserDefaults Core Data (SQLite) Firebase (Analytics, Crashlytics, Sessions) File creation (PDFs, temp files, etc.) We're seeing the following errors in the console: Operation not permitted / NSCocoaErrorDomain Code=513: Permissions error when writing to disk. CFPrefsPlistSource: Path not accessible: Failure to write to UserDefaults. Cannot synchronize user defaults to disk: UserDefaults write blocked. CoreData: No permissions to create file: Core Data SQLite store can't be created. Firebase: Failed to open database: Firebase can't initialize local storage. CGDataConsumerCreateWithFilename: failed to open ... for writing: PDF generation fails due to temp directory access issues. Created a test project to try and reproduce the issue but u
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App in Review Since October 21 After Urgent Bug Fix Submission – Request for Expedited Review
Hello Apple Review Team, We recently submitted an urgent update to our app (App ID: 6736983550) to fix a critical signup bug that prevented all new users from registering on the platform. The app initially showed “Waiting for Review”, but since October 21, its status has changed to “In Review” without any progress or feedback. Given that this update directly impacts user access and onboarding, we kindly request that the review process be prioritized or expedited as a matter of urgency. Please advise if any additional details are required to facilitate the review. Thank you for your attention and assistance. Kind regards,
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Reply to SFCertificateView Memory Leak
Thanks for bringing this to the forums. As a first step I recommend that you extract this code into a small test project and see if the problem reproduces there. Ideally that project would not be tied to the presence of a smart card, but instead display a test certificate that’s embedded in the app. If your test project reproduces the problem then none of the other code in your app is at fault, and that focuses the blame on SFCertificateView itself. In that case the next step is to file a bug against that API, making sure to include: A sysdiagnose log taken shortly after reproducing the problem [1]. Your test project. Please post your bug number, just for the record. As to a workaround, I very much doubt there is one, but that’s unlikely to be a problem. Unless this leak is huge, it’s unlikely to affect the user in practice because there’s a limit to how fast they can show and hide your certificate viewer. Share and Enjoy — Quinn “The Eskimo!” @ Developer Technical Support @ Apple let myEmai
Topic: Privacy & Security SubTopic: General Tags:
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