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Building for iOS Simulator, but the linked and embedded framework ‘XX.framework‘ was built for

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Reply to iOS 26.0+: sceneDidBecomeActive / applicationDidBecomeActive fires during Lock button press while app is active
Hello @stopthatnoise Can you share that new project with me to investigate? If so, please share a link to your test project. That'll help us better understand what's going on. If you're not familiar with preparing a test project, take a look at Creating a test project. If this is a bug, you can file a bug report here and attach the project there, and I will escalate as needed. Feel free to file now and reply with the FB number in this thread, so we can get a head start on the investigation.  Travis Trotto - DTS Engineer
Topic: UI Frameworks SubTopic: UIKit Tags:
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iOS 26.0+: sceneDidBecomeActive / applicationDidBecomeActive fires during Lock button press while app is active
Hi all, I’m seeing a lifecycle behavior change on iOS 26.0 (and up). While my app is in the foreground and active, pressing the hardware Lock button triggers didBecomeActive callbacks/notifications even though the app is transitioning away from active state. I’m observing this sequence: willResignActive didBecomeActive willResignActive didEnterBackground This happens for: • UISceneDelegate.sceneDidBecomeActive(:) • UIApplicationDelegate.applicationDidBecomeActive(:) • UIApplication.didBecomeActiveNotification On iOS 18 (same app, same code) I do not see didBecomeActive in the middle of locking/backgrounding. Problem is reproduced on totally new project. I would expect a normal transition to background: • willResignActive → didEnterBackground …and no extra didBecomeActive between them. I have “became active” logic (refresh UI/state, resume timers, analytics). On iOS 26.0 this logic runs unexpectedly during locking, causing unnecessary work and incorrect state transitions. Is this cal
Topic: UI Frameworks SubTopic: UIKit Tags:
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Could not install [App] The requested app is not available or doesn't exist. In TestFlight
I uploaded a build to testflight and released it to Internal testers, however when the testers tried downloading the app a alert dialog shows the following: Could not install [App] The requested app is not available or doesn't exist. Also tried to submit it via external testers but getting another error.
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Xcode 26.3 unlocks the power of agentic coding!
Hello, developers! Xcode 26.3 unlocks the power of agentic coding! Get ready to explore new features that released last Tuesday. If you haven't already, you can download Xcode 26.3 from the Apple Developer Downloads page Check out the official documentation for getting started and how to configure agents in Xcode: ‎ Writing code with intelligence in Xcode Generate code, fix bugs fast, and learn as you go with intelligence built directly into Xcode https://developer.apple.com/documentation/xcode/writing-code-with-intelligence-in-xcode/ ‎ Setting up coding intelligence Enable third-party coding tools that you want to use in the coding assistant https://developer.apple.com/documentation/xcode/setting-up-coding-intelligence ‎ Giving external agentic coding tools access to Xcode Let agentic coding tools access your project and Xcode capabilities using the Model Context Protocol https://developer.apple.com/documentation/xcode/giving-agentic-coding-tools-access-to-xcode ‎ Code-along: Experiment with coding
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Xcode 26.2 / iOS 26.2 Simulator not downloading
Hey all, I recently updated to Xcode 26.2 and I'm having the hardest time trying to download the corresponding iOS simulator. I installed Xcode from developer downloads and the app did not come loaded with an iOS simulator. When trying to download from Components in Settings, I only get the following message: Download failed due to a bad URL. (Catalog download for com.apple.MobileAsset.iOSSimulatorRuntime) Domain: com.apple.MobileAssetError.Download Code: 49 User Info: { checkConfiguration = 1; } I also tried downloading via Terminal but also get a download failed message. I am on the latest macOS and have over 600 GB of disk space available. In previous versions, I was able to download the iOS simulator directly from Developer Downloads, but anything after 26 is not there. Any suggestions?
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Testflight issue: "The requested app is not available or doesn't exist"
We submitted a build to testflight and received a confirmation email it was successfully uploaded. When we open testflight on our iPhone's (X, 6s) we get a message of Could not install appname The requested app is not available or does not exist Where appname is the name of the app. Its very confusing because I can see the build listed in testflight on my mobile device and can view it in iTunes connect. I also can't install prior builds that had worked successfully when I try.
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Reply to Error when updating system extension
[quote='875131022, IHadToChooseAUserNameAndIdidntWantTo, /thread/809959?answerId=875131022#875131022, /profile/IHadToChooseAUserNameAndIdidntWantTo'] Are there public APIs to assess notarization? [/quote] That’s tricky, because it depends on your definition of API. The codesign tool has a --check-notarization operation that does that. See Testing a Notarised Product and the codesign man page. While that’s documented, I’m not a fan of using command-line tools as APIs. The code signing requirement language has the notarized constraint. That’s not documented where it should be but it’s debatable whether that’s just because the parent document is stuck in the Documentation Archive. Annoyingly, an equivalent constraint has not been added to the LightweightCodeRequirements framework. If you think that’d be useful, I encourage you to file an enhancement request for it. And if you do, please post your bug number, just for the record. Share and Enjoy — Quinn “The Eskimo!” @ Developer Technical Support @ Apple
Topic: Code Signing SubTopic: Notarization Tags:
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Reply to Local Network permission on macOS 15 macOS 26: multicast behaves inconsistently and regularly drops
I wanted to shared a quick update on FB21858319. I figured you’d appreciate that given all the work you put in to help isolate it (-: My experience is that Apple is pretty good about fixing local network privacy problems like this one. The critical factor is reproducing the problem, which is why I’ve been so happy to get your cooperation here on this thread. Based on our preliminary analysis of your bug, we think we know what’s going on here. I’m going to offer a little insight into that below, but first I want to set some expectations. Understanding the problem isn’t the same as fixing it. I can’t offer any concrete timeline as to when a fix for this problem will be released. However, when we start seeding a beta release that contains the fix, you should be notified via Feedback Assistant [1]. As to what’s actually happening here, lemme explain a bit about how local network privacy works. As described in TN3179, the local network privacy state on macOS is per user. However, macOS’s networking stack is global
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Reply to Content Filter Permission Prompt Not Appearing in TestFlight
I’m glad to hear that you’re making progress. [quote='875219022, lilan, /thread/773414?answerId=875219022#875219022, /profile/lilan'] We still have to do a submission for NEURLFilter right? [/quote] Yes. Specifically, there’s a process for onboarding with the Oblivious HTTP relay. You can find a link to the submission form at the bottom of How to onboard with an Oblivious HTTP relay hosted by Apple. Share and Enjoy — Quinn “The Eskimo!” @ Developer Technical Support @ Apple let myEmail = eskimo + 1 + @ + apple.com
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All notarization submissions stuck "In Progress" for 24-72+ hours (including tiny 6KB test binary)
Hello, I'm experiencing a persistent issue where all my notarization submissions remain stuck in In Progress indefinitely. This has been happening for the past several days, affecting multiple submissions. Environment: macOS 26.2 (Build 25C56) Using xcrun notarytool submit for submissions Team ID: M3FN25UQK2 Timeline of the issue: Starting from January 2nd, 2026, my submissions began getting stuck in In Progress As of January 6th, I have 6+ submissions that have been In Progress for 24-72+ hours Prior to this, notarization was working normally (I have multiple Accepted submissions from January 1st) What I've tried: Verified my Developer ID Application certificate is valid and properly installed Checked Apple Developer System Status page (shows Operational) Verified code signatures using codesign -vvv --deep --strict Contacted Apple Developer Support (no response yet) Checked my Apple Developer account for any pending agreements or warnings (none found) Is there any known issue affecting notarization
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Reply to Notarization submissions stuck in “In Progress” for >24 hours (CI / REST API) – production impact
I have a standard spiel about this which I’ve included at the end of this reply. Please read it through first. With that in mind, let’s come back to your specific questions: [quote='814841021, Jackson_Hsieh, /thread/814841, /profile/Jackson_Hsieh'] Is it expected behavior for notarization submissions to remain in “In Progress” for such a long period without logs? [/quote] Yes, assuming you’ve hit the “in-depth analysis” path. [quote='814841021, Jackson_Hsieh, /thread/814841, /profile/Jackson_Hsieh'] Is client-side timeout and re-submission the recommended handling for CI workflows? [/quote] I see two common patterns reported here on the forums: Developers hit this on their first notarisation attempt, or otherwise very early in their Mac development ‘journey’. Developers have been happily notarising for a while and then suddenly bump into this. In the first case my advice is to simply wait. That’s the focus of the boilerplate text that I included at the end of this reply. My understanding is that you fall into
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Reply to All notarization submissions stuck "In Progress" for 24+ hours — first-time Electron app
You can expect that most uploads will be notarised quickly. Occasionally, some uploads are held for in-depth analysis and may take longer to complete. As you notarise your apps, the system will learn how to recognise them, and you should see fewer delays. For lots of additional info about notarisation, see Notarisation Resources. Specifically, it links to a Q&A with the notary service team that’s quite instructive. Share and Enjoy — Quinn “The Eskimo!” @ Developer Technical Support @ Apple let myEmail = eskimo + 1 + @ + apple.com
Topic: Code Signing SubTopic: Notarization Tags:
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