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Reply to Back gesture not disabled with navigationBarBackButtonHidden(true) when using .zoom transition
Hello @Bikrrr I see your report just landed in our system. This is interesting, thank you for reporting. 🧐 Updates will be provided in Feedback Assistant, we are unable to discuss if a fix has been found on the Forums. Have you found a workaround for this you'd be willing to share here that I can show to the engineering team investigating this issue?  Travis
Topic: UI Frameworks SubTopic: SwiftUI Tags:
2w
Reply to Crash while presenting a media picker for Music
And this is the full error display: Error acquiring assertion: [u 31CF99CC-85C8-4FDF-9567-8ED0FF31C74F:m (null)] [com.apple.Music.MediaPicker(3.1)] could not acquire startup assertion Plugin , instance = [(null)], state = 3, useCount = 0> must have pid! Extension request will fail Failed to acquire assertion for plugin: , instance = [(null)], state = 3, useCount = 0> pid: 0 Unable to acquire process assertion in beginUsing: with plugin identifier: com.apple.Music.MediaPicker, killing plugin begin extension request Request PK UUID: CB10114C-0A82-4781-9B26-17A754A333B8 with item count 0 complete with error: Error Domain=PlugInKit Code=4 could not acquire startup assertion UserInfo={NSLocalizedDescription=could not acquire startup assertion} PlugInKit error in beginUsing: with plugin identifier: com.apple.Music.MediaPicker, killing plugin *** Assertion failure in -[MPMediaPickerController_Appex requestRemoteViewController], MPMediaPickerController.m:523 *** Te
Topic: Media Technologies SubTopic: Audio Tags:
2w
Reply to How to upload large videos with PHAssetResourceUploadJobChangeRequest?
Thanks for the detailed response, Albert. Our server API has a strict payload limit of 250 MB per request. Because of this constraint, our existing upload infrastructure uses chunked uploads for large files — splitting videos into smaller byte ranges and uploading each chunk separately via the BITS protocol (CreateSession → Fragment → CloseSession). However, I don't see any API surface in PHAssetResourceUploadJobChangeRequest to: Specify byte ranges for partial uploads Create multiple sequential jobs for chunks of the same resource Provide a callback/delegate pattern for give me the next upload destination Given that the system daemon handles uploads out-of-process (as you explained), it seems this API assumes the destination endpoint can accept the entire file in a single HTTP request. My question then becomes: For services with server-side payload limits, is PHBackgroundResourceUploadExtension the wrong tool for the job? Should we instead: Continue using our existing NSURLSession
2w
Notarization submissions stuck "In Progress" for 10 days
All of my notarization submissions have been stuck at In Progress for up to 10 days. I have 6 submissions spanning from March 4 to March 11, 2026, and none of them have completed or returned any errors. Affected submissions: dbf20b57-0073-444a-b09a-ac6747b7398e (submitted Mar 4) — In Progress d5886683-be64-455c-805d-cd8b12bbcd35 (submitted Mar 4) — In Progress 10bfa709-da17-49cf-9c89-63f93b5fb756 (submitted Mar 4) — In Progress e8d0866e-43f8-4a18-8129-64e6c5d3895a (submitted Mar 9) — In Progress f9526f25-5650-4c45-98ae-d778c58a2ffa (submitted Mar 9) — In Progress 82ec211f-9179-41fd-afe0-937c9b2c2750 (submitted Mar 11) — In Progress Running `notarytool log` returns Submission log is not yet available. Team ID: CB4U5M6U9H It is an Electron-based app built with electron-builder. Steps taken to ensure compliance: Signed with a valid Developer ID Application certificate Hardened runtime enabled (hardenedRuntime: true) Proper entitlements configured (com.apple.security.cs.allow-jit, com.apple.security.cs.allow-unsi
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Reply to Using StoreKit from an AUv3 plugin that can be loaded in-process
Yeah, the obvious way doesn't work so well if you're using auto-renewing subscriptions - forcing the user to run the outer app every three days when the grace period expires to see if the user is still subscribed is a non-starter - this needs to be transparent and just work™ once the user has bought the subscription - my target customers are mastering engineers and similar - I wouldn't put up with that from a plugin for long, so I cannot expect my customer to. I have one local beta tester I'm going to try a TestFlight version with subscription support enabled and lots of logging and see if the extension is able to see products defined for the outer app. The fact that all of this is essentially untestable by the developer (getting a StoreKit config through to the extension process seems to be a no-go, not to mention my experience with local StoreKit configs working on a much simpler iOS app spotty enough not to trust) is fairly maddening. The combinatorics in the state machine you need for definitely-
Topic: Media Technologies SubTopic: Audio Tags:
2w
Reply to Provisioning profile missing entitlement: com.apple.developer.icloud
My standard process for debugging problems like is: Test with a new project, with a completely different App ID. If that fails, something fundamental is wrong. But if it works, test with another new project, but this time using the sample App ID as your original project. If that fails, then the issue is tied to the code signing setup for that specific App ID. But if it works then you know the issue like in the main project itself. Share and Enjoy — Quinn “The Eskimo!” @ Developer Technical Support @ Apple let myEmail = eskimo + 1 + @ + apple.com
2w
Red "X" showing up for Certificates, Identifiers, & Profiles in xcode
I've upgraded to a new Macbook recently, just when I was setting up my Xcode, I realized I there is a this red X showing up next to my development team as I was signing in to my account I have checked my permission on App Store Connect, everything seemed fine. I have also deleted my old Apple development certificate and requested for another one. Nothing worked.
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Reply to Swift compiler fails in Release (-O) when using generic ObservableObject with @Published on iOS < 26 in Xcode 26.3
[quote='879813022, wuzihang, /thread/818722?answerId=879813022#879813022, /profile/wuzihang'] FB22081725 [/quote] Thanks for filing that. [quote='879813022, wuzihang, /thread/818722?answerId=879813022#879813022, /profile/wuzihang'] has [this] been routed to the appropriate Swift/Xcode engineering team … ? [/quote] Yes. [quote='879813022, wuzihang, /thread/818722?answerId=879813022#879813022, /profile/wuzihang'] [is] there is any information about which future Xcode version … ? [/quote] Even if there were, I can’t talk about The Future™ here on the forums. See tip 3 in Quinn’s Top Ten DevForums Tips. This lack of visibility is one of the reasons why I encourage folks with Swift compiler bugs to file their bugs via the Swift bug process. However, that’s not really appropriate here because you need an Apple framework, Combine, to reproduce it. But if you can find a way to reproduce the crash without that dependency, a Swift bug would make a lot of sense. ps In future, if you have existing case or feedba
2w
Reply to Using StoreKit from an AUv3 plugin that can be loaded in-process
[quote='879950022, timboudreau, /thread/818192?answerId=879950022#879950022, /profile/timboudreau'] the industry has produced plenty of ways to run untrusted code in-process [/quote] Sure. And if the only issue were the host not being able to trust the guest, such techniques might be feasible. But in this case you have to worry about the guest not trusting the host. [quote='879950022, timboudreau, /thread/818192?answerId=879950022#879950022, /profile/timboudreau'] can using StoreKit in an AUv3 work at all? [/quote] There’s an obvious way to make this work: Have the user run the app. Which uses StoreKit to check for the purchase. And stores the state in an app group, or keychain access group [1]. Which the app extension checks. This requires that the user run the app at least once so that it can achieve, but that’s not particularly onerous. However, the real question is really about whether your app extension can call StoreKit. I don’t know for sure. I’m gonna research this and get back to you. Share
Topic: Media Technologies SubTopic: Audio Tags:
2w
Notarization services is not returning notarization status
Hi, I have uploaded the package to notarize using the xcrun command. Verbose logs shows that the upload is success and it shows the submission id as well. After that it is in loop to get the status of the upload. Following is the command I have used. Some part of the command verbose log Multiline [08:46:48.984Z] Info [UPLOAD] Starting S3 multipart upload of file at 'file:///var/folders/ty/lkzb6dxj0hq_b0wplk5lz6jw0000gp/T/TemporaryItems/NSIRD_notarytool_AtDtEn/Fiery%20Remote%20Scan.dmg' with part size 5 MB to Bucket: notary-submissions-prod, Key: prod/AROARQF6ZA5L:dc619a13-da5b-42fe-9b2b-afcadf078bc0 [08:46:48.984Z] Debug [UPLOAD] Received new upload status: Uploading [08:46:56.648Z] Debug [UPLOAD] Received new upload status: Succeeded [08:46:56.649Z] Debug [UPLOAD] multipart upload etag: 364e1cccccc99b5d98f7cccccccccc18d58f-6 [08:46:56.650Z] Info [UPLOAD] Multipart upload process has completed successfully. [08:46:56.651Z] Info [UPLOAD] Attempting to shutdown local S3 upload service. [08:46:56.651Z]
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Reply to Notarization services is not returning notarization status
[quote='880046022, premak, /thread/818636?answerId=880046022#880046022, /profile/premak'] All the requests are processed. [/quote] Cool. [quote='880046022, premak, /thread/818636?answerId=880046022#880046022, /profile/premak'] Will this (in-depth analysis) can trigger again on our new uploads? [/quote] Possibly. Lemme quote my previous reply: [quote='879797022, DTS Engineer, /thread/818636?answerId=879797022#879797022'] You can expect that most uploads will be notarised quickly. [/quote] [quote='879797022, DTS Engineer, /thread/818636?answerId=879797022#879797022'] Occasionally, some uploads are held for in-depth analysis and may take longer to complete. [/quote] [quote='879797022, DTS Engineer, /thread/818636?answerId=879797022#879797022'] As you notarise your apps, the system will learn how to recognise them, and you should see fewer delays. [/quote] We don’t document the exact criteria that determine whether a request is sent down the in-depth analysis path, something I was talki
Topic: Code Signing SubTopic: Notarization Tags:
2w
SecureTransport PSK Support for TLS
We have successfully deployed our Qt C++ application on Windows and Android using OpenSSL with TLS Pre-Shared Key (PSK) authentication to connect to our servers. However, I understand that apps submitted to the App Store must use SecureTransport as the TLS backend on iOS. My understandiunig is that SecureTransport does not support PSK ciphersuites, which is critical for our security architecture. Questions: Does SecureTransport support TLS PSK authentication, or are there plans to add this feature? If PSK is not supported, what is Apple's recommended alternative for applications that require PSK-based authentication? Is there an approved exception process that would allow me to use OpenSSL for TLS connections on iOS while still complying with App Store guidelines? The application requires PSK for secure communication with our infrastructure, and we need guidance on how to maintain feature parity across all platforms while meeting App Store requirements
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PCI Transport Entitlements
Hello, I'm trying to develop a driver that uses PCIe through the mac's thunderbold ports. I requested a PCI entitlement, and it's just an empty array in the entitlements file by default. I was wondering if the vendor ID submitted with my entitlement request is supposed to populate this dictionary? I'm currently getting an entitlement check failed from kernel: DK: IOUserServer and was unsure if the PCI entitlement configuration was incorrect. Default entitlement: com.apple.developer.driverkit.transport.pci I'd be happy to provide more information as needed, but any guidance would be much appreciated. Thanks in advance.
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Reply to Crash while presenting a media picker for Music
Very strangely on the test app I was requested to allow the usage of the music repository and now even the main app allows to use the music repository. I wonder how may I request the same thing on the main app, especially given I'am always reported as authorized.
Topic: Media Technologies SubTopic: Audio Tags:
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Reply to Back gesture not disabled with navigationBarBackButtonHidden(true) when using .zoom transition
Hello @Bikrrr I see your report just landed in our system. This is interesting, thank you for reporting. 🧐 Updates will be provided in Feedback Assistant, we are unable to discuss if a fix has been found on the Forums. Have you found a workaround for this you'd be willing to share here that I can show to the engineering team investigating this issue?  Travis
Topic: UI Frameworks SubTopic: SwiftUI Tags:
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Reply to Crash while presenting a media picker for Music
And this is the full error display: Error acquiring assertion: [u 31CF99CC-85C8-4FDF-9567-8ED0FF31C74F:m (null)] [com.apple.Music.MediaPicker(3.1)] could not acquire startup assertion Plugin , instance = [(null)], state = 3, useCount = 0> must have pid! Extension request will fail Failed to acquire assertion for plugin: , instance = [(null)], state = 3, useCount = 0> pid: 0 Unable to acquire process assertion in beginUsing: with plugin identifier: com.apple.Music.MediaPicker, killing plugin begin extension request Request PK UUID: CB10114C-0A82-4781-9B26-17A754A333B8 with item count 0 complete with error: Error Domain=PlugInKit Code=4 could not acquire startup assertion UserInfo={NSLocalizedDescription=could not acquire startup assertion} PlugInKit error in beginUsing: with plugin identifier: com.apple.Music.MediaPicker, killing plugin *** Assertion failure in -[MPMediaPickerController_Appex requestRemoteViewController], MPMediaPickerController.m:523 *** Te
Topic: Media Technologies SubTopic: Audio Tags:
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Reply to How to upload large videos with PHAssetResourceUploadJobChangeRequest?
Thanks for the detailed response, Albert. Our server API has a strict payload limit of 250 MB per request. Because of this constraint, our existing upload infrastructure uses chunked uploads for large files — splitting videos into smaller byte ranges and uploading each chunk separately via the BITS protocol (CreateSession → Fragment → CloseSession). However, I don't see any API surface in PHAssetResourceUploadJobChangeRequest to: Specify byte ranges for partial uploads Create multiple sequential jobs for chunks of the same resource Provide a callback/delegate pattern for give me the next upload destination Given that the system daemon handles uploads out-of-process (as you explained), it seems this API assumes the destination endpoint can accept the entire file in a single HTTP request. My question then becomes: For services with server-side payload limits, is PHBackgroundResourceUploadExtension the wrong tool for the job? Should we instead: Continue using our existing NSURLSession
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2w
Notarization submissions stuck "In Progress" for 10 days
All of my notarization submissions have been stuck at In Progress for up to 10 days. I have 6 submissions spanning from March 4 to March 11, 2026, and none of them have completed or returned any errors. Affected submissions: dbf20b57-0073-444a-b09a-ac6747b7398e (submitted Mar 4) — In Progress d5886683-be64-455c-805d-cd8b12bbcd35 (submitted Mar 4) — In Progress 10bfa709-da17-49cf-9c89-63f93b5fb756 (submitted Mar 4) — In Progress e8d0866e-43f8-4a18-8129-64e6c5d3895a (submitted Mar 9) — In Progress f9526f25-5650-4c45-98ae-d778c58a2ffa (submitted Mar 9) — In Progress 82ec211f-9179-41fd-afe0-937c9b2c2750 (submitted Mar 11) — In Progress Running `notarytool log` returns Submission log is not yet available. Team ID: CB4U5M6U9H It is an Electron-based app built with electron-builder. Steps taken to ensure compliance: Signed with a valid Developer ID Application certificate Hardened runtime enabled (hardenedRuntime: true) Proper entitlements configured (com.apple.security.cs.allow-jit, com.apple.security.cs.allow-unsi
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Reply to Crash while presenting a media picker for Music
I have: NSAppleMusicUsageDescription The application may use the tunes in your library as a backdrop for your meditations. and testing on the device. How do I request, check for Media Library authorization, considering this feature has worked for two years years without any problems, until the latest issue?
Topic: Media Technologies SubTopic: Audio Tags:
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Reply to Using StoreKit from an AUv3 plugin that can be loaded in-process
Yeah, the obvious way doesn't work so well if you're using auto-renewing subscriptions - forcing the user to run the outer app every three days when the grace period expires to see if the user is still subscribed is a non-starter - this needs to be transparent and just work™ once the user has bought the subscription - my target customers are mastering engineers and similar - I wouldn't put up with that from a plugin for long, so I cannot expect my customer to. I have one local beta tester I'm going to try a TestFlight version with subscription support enabled and lots of logging and see if the extension is able to see products defined for the outer app. The fact that all of this is essentially untestable by the developer (getting a StoreKit config through to the extension process seems to be a no-go, not to mention my experience with local StoreKit configs working on a much simpler iOS app spotty enough not to trust) is fairly maddening. The combinatorics in the state machine you need for definitely-
Topic: Media Technologies SubTopic: Audio Tags:
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2w
Reply to Provisioning profile missing entitlement: com.apple.developer.icloud
My standard process for debugging problems like is: Test with a new project, with a completely different App ID. If that fails, something fundamental is wrong. But if it works, test with another new project, but this time using the sample App ID as your original project. If that fails, then the issue is tied to the code signing setup for that specific App ID. But if it works then you know the issue like in the main project itself. Share and Enjoy — Quinn “The Eskimo!” @ Developer Technical Support @ Apple let myEmail = eskimo + 1 + @ + apple.com
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Red "X" showing up for Certificates, Identifiers, & Profiles in xcode
I've upgraded to a new Macbook recently, just when I was setting up my Xcode, I realized I there is a this red X showing up next to my development team as I was signing in to my account I have checked my permission on App Store Connect, everything seemed fine. I have also deleted my old Apple development certificate and requested for another one. Nothing worked.
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154
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Reply to Swift compiler fails in Release (-O) when using generic ObservableObject with @Published on iOS < 26 in Xcode 26.3
[quote='879813022, wuzihang, /thread/818722?answerId=879813022#879813022, /profile/wuzihang'] FB22081725 [/quote] Thanks for filing that. [quote='879813022, wuzihang, /thread/818722?answerId=879813022#879813022, /profile/wuzihang'] has [this] been routed to the appropriate Swift/Xcode engineering team … ? [/quote] Yes. [quote='879813022, wuzihang, /thread/818722?answerId=879813022#879813022, /profile/wuzihang'] [is] there is any information about which future Xcode version … ? [/quote] Even if there were, I can’t talk about The Future™ here on the forums. See tip 3 in Quinn’s Top Ten DevForums Tips. This lack of visibility is one of the reasons why I encourage folks with Swift compiler bugs to file their bugs via the Swift bug process. However, that’s not really appropriate here because you need an Apple framework, Combine, to reproduce it. But if you can find a way to reproduce the crash without that dependency, a Swift bug would make a lot of sense. ps In future, if you have existing case or feedba
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Reply to Using StoreKit from an AUv3 plugin that can be loaded in-process
[quote='879950022, timboudreau, /thread/818192?answerId=879950022#879950022, /profile/timboudreau'] the industry has produced plenty of ways to run untrusted code in-process [/quote] Sure. And if the only issue were the host not being able to trust the guest, such techniques might be feasible. But in this case you have to worry about the guest not trusting the host. [quote='879950022, timboudreau, /thread/818192?answerId=879950022#879950022, /profile/timboudreau'] can using StoreKit in an AUv3 work at all? [/quote] There’s an obvious way to make this work: Have the user run the app. Which uses StoreKit to check for the purchase. And stores the state in an app group, or keychain access group [1]. Which the app extension checks. This requires that the user run the app at least once so that it can achieve, but that’s not particularly onerous. However, the real question is really about whether your app extension can call StoreKit. I don’t know for sure. I’m gonna research this and get back to you. Share
Topic: Media Technologies SubTopic: Audio Tags:
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Notarization services is not returning notarization status
Hi, I have uploaded the package to notarize using the xcrun command. Verbose logs shows that the upload is success and it shows the submission id as well. After that it is in loop to get the status of the upload. Following is the command I have used. Some part of the command verbose log Multiline [08:46:48.984Z] Info [UPLOAD] Starting S3 multipart upload of file at 'file:///var/folders/ty/lkzb6dxj0hq_b0wplk5lz6jw0000gp/T/TemporaryItems/NSIRD_notarytool_AtDtEn/Fiery%20Remote%20Scan.dmg' with part size 5 MB to Bucket: notary-submissions-prod, Key: prod/AROARQF6ZA5L:dc619a13-da5b-42fe-9b2b-afcadf078bc0 [08:46:48.984Z] Debug [UPLOAD] Received new upload status: Uploading [08:46:56.648Z] Debug [UPLOAD] Received new upload status: Succeeded [08:46:56.649Z] Debug [UPLOAD] multipart upload etag: 364e1cccccc99b5d98f7cccccccccc18d58f-6 [08:46:56.650Z] Info [UPLOAD] Multipart upload process has completed successfully. [08:46:56.651Z] Info [UPLOAD] Attempting to shutdown local S3 upload service. [08:46:56.651Z]
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Reply to Notarization services is not returning notarization status
[quote='880046022, premak, /thread/818636?answerId=880046022#880046022, /profile/premak'] All the requests are processed. [/quote] Cool. [quote='880046022, premak, /thread/818636?answerId=880046022#880046022, /profile/premak'] Will this (in-depth analysis) can trigger again on our new uploads? [/quote] Possibly. Lemme quote my previous reply: [quote='879797022, DTS Engineer, /thread/818636?answerId=879797022#879797022'] You can expect that most uploads will be notarised quickly. [/quote] [quote='879797022, DTS Engineer, /thread/818636?answerId=879797022#879797022'] Occasionally, some uploads are held for in-depth analysis and may take longer to complete. [/quote] [quote='879797022, DTS Engineer, /thread/818636?answerId=879797022#879797022'] As you notarise your apps, the system will learn how to recognise them, and you should see fewer delays. [/quote] We don’t document the exact criteria that determine whether a request is sent down the in-depth analysis path, something I was talki
Topic: Code Signing SubTopic: Notarization Tags:
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SecureTransport PSK Support for TLS
We have successfully deployed our Qt C++ application on Windows and Android using OpenSSL with TLS Pre-Shared Key (PSK) authentication to connect to our servers. However, I understand that apps submitted to the App Store must use SecureTransport as the TLS backend on iOS. My understandiunig is that SecureTransport does not support PSK ciphersuites, which is critical for our security architecture. Questions: Does SecureTransport support TLS PSK authentication, or are there plans to add this feature? If PSK is not supported, what is Apple's recommended alternative for applications that require PSK-based authentication? Is there an approved exception process that would allow me to use OpenSSL for TLS connections on iOS while still complying with App Store guidelines? The application requires PSK for secure communication with our infrastructure, and we need guidance on how to maintain feature parity across all platforms while meeting App Store requirements
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76
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PCI Transport Entitlements
Hello, I'm trying to develop a driver that uses PCIe through the mac's thunderbold ports. I requested a PCI entitlement, and it's just an empty array in the entitlements file by default. I was wondering if the vendor ID submitted with my entitlement request is supposed to populate this dictionary? I'm currently getting an entitlement check failed from kernel: DK: IOUserServer and was unsure if the PCI entitlement configuration was incorrect. Default entitlement: com.apple.developer.driverkit.transport.pci I'd be happy to provide more information as needed, but any guidance would be much appreciated. Thanks in advance.
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