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“DTiPhoneSimulatorErrorDomain Code 2”

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Reply to tahoe 26.4.1 chdir(2) problem
As of this posting, chdir(2) is now following symbolic links. As per the man page, this is NOT what it is supposed to do. As a small expansion to what Quinn said, it's also not clear to me how the system could work if it DIDN'T follow symbolic links. Theoretically, you could expect everyone to call realpath() before calling chdir, but the file system is an inherently unstable collection of race conditions[1]... so correctness would actually require looping between realpath & chdir until timing worked out such that you got a realpath[2] that happened to not include any symbolic links. UNIX's broad semantic is to make symbolic links as invisible as possible, which allows apps that choose to ignore their existence without any additional effort. You can imagine a system that didn't work that way, but the APIs for that would look much more like how bookmarks are handled than the way symbolic links work. [1] Many apps, particularly command line tools, are written in a way that ignores this rea
Topic: App & System Services SubTopic: Core OS
2w
Reply to Kernel panics on M5 devices with network extension
@DTS Engineer - I might have spoke too soon, as today I had a Kernel Panic crash after sleep and it is still happening after day 3 of being on 26.5. I can send the .panic file if needed. I ran it through Claude and the error is definitely related to a network monitoring tool. In my use case: Root Cause: Kernel panic caused by a Kernel Tag Check Fault (MTE violation) in the SentinelOne Network Monitor Extension (com.sentinelone.network-monitori, pid 725) while performing packet inspection/filtering via the NEFilterExtensionProviderContext on CPU core 5. The crash occurred shortly after the MacBook Pro M5 Pro woke from sleep. The ESR value (0x0000000096000011) confirms an ARM data abort due to a memory tag mismatch, indicating a memory safety bug (likely use-after-free or stale pointer) in the SentinelOne network extension's kernel code path. This is consistent with the previously documented N1 wireless chip / Cisco Secure Client kernel panic pattern on M5 Pro devices.
Topic: App & System Services SubTopic: Networking Tags:
2w
Enrollment stuck for 2 months
Hi all. I have been trying to enroll in the Apple Developer Program for around 2 months. I have made couple of payments and received order confirmation email saying order will be processed within 2 business days. I have received no further emails I can find. Can anyone please advice me how I can check the status of my enrollment or if something more is needed for my order to be processed. Many thanks.
Topic: Developer Tools & Services SubTopic: Apple Developer Program
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iOS 26.5 SIGKILLs audio-recording app at ~50s of background despite UIBackgroundModes: audio - what is the supported API path?
Hi, hoping for guidance on what's a long-running bug for our app. The problem We have a transcription app on iPhone 17 Pro Max running iOS 26.5. Recording flow uses AVAudioEngine.installTap(onBus:) to capture PCM into a JS bridge for streaming to a remote transcription service. A parallel AVAudioRecorder writes the same audio to disk as backup. When the user starts a recording and locks the phone, iOS terminates our process with SIGKILL at approximately 50 seconds of continuous background time, despite: UIBackgroundModes includes audio (verified in shipping IPA's Info.plist) AVAudioSession.setCategory(.playAndRecord, mode: .default) is active AVAudioEngine is running with installTap producing PCM buffers right up to the moment of death UIApplication.backgroundTimeRemaining returns Double.greatestFiniteMagnitude at applicationDidEnterBackground (verified in our event log) No AVAudioSession.interruptionNotification is delivered before the kill. iOS terminates the process cleanly with no warning event to our obs
Topic: App & System Services SubTopic: Processes & Concurrency Tags:
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201
2w
Team ID not matching my Newly registered Developer Account
I originally signed into Xcode using my iCloud email account. A few days later, I enrolled in the Apple Developer Program using the same account. However, I noticed that Apple generated a different Team ID for the developer account, which does not match the Team ID that was originally associated with my Xcode account. Now, whenever I sign in with that same account, I continue to get the original Team ID instead of the new one created with the developer account. Because of this mismatch, I’m unable to properly link my app and developer account. I would like assistance understanding why there are two different Team IDs for the same Apple account and how I can make Xcode use the correct developer Team ID. @Developer Technical Support
Topic: Code Signing SubTopic: Certificates, Identifiers & Profiles
1
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93
2w
IPhone 17 Pro, SMPTE ST2139 Sync Compatibility & Rates
Hi, I'm looking for some clarity around hardware implementation details for the Iphone 17 Pro / Pro Max's camera sync via SMPTE ST2139. Question 1 (Signaling) ST2139 specifies that on the USB connector, D+ (pin A6 and B6), D- (pin A7 and B7) SBU1 (A8) and SBU2 (B8) can be used for sync signals. Does the iphone 17 pro / pro-max support all of these per the standard, or only a subset of these pins for sync signaling? Question 2 (Frame rates) Does the Iphone 17 pro / pro-max support ST2139 sync at any / all of its video rates (24, 25, 30, 60, 100, 120 fps), or only a subset of those? Question 3 (Sync tolerances) What is the tolerance of these rates to sync variation (ie would the phone/camera accept 29.970 sync when the camera is set to 30 fps?) and what are the tolerances for jitter to maintain a good sync lock? Thanks
Topic: Media Technologies SubTopic: Photos & Camera Tags:
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102
2w
Team ID not matching my Newly registered Developer Account
I originally signed into Xcode using my iCloud email account. A few days later, I enrolled in the Apple Developer Program using the same account. However, I noticed that Apple generated a different Team ID for the developer account, which does not match the Team ID that was originally associated with my Xcode account. Now, whenever I sign in with that same account, I continue to get the original Team ID instead of the new one created with the developer account. Because of this mismatch, I’m unable to properly link my app and developer account. I would like assistance understanding why there are two different Team IDs for the same Apple account and how I can make Xcode use the correct developer Team ID.
Topic: Code Signing SubTopic: Certificates, Identifiers & Profiles
1
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148
2w
Reply to Does Enterprise Program Expiration Impact an Existing APNs Certificate for MDM?
There are two type of certificates involved. The first is the MDM push certificate. An MDM server uses this to send MDM pushes to managed devices. It is associated with an Apple Account. The second is the MDM vendor certificate. The MDM vendor uses this to sign the CSR during the issuance process for an MDM push certificate. This is associated with an Apple Developer Program account or an Apple Developer Enterprise Program account. So you're asking what happens when the Apple Developer Program or Apple Developer Enterprise program account associated with an MDM vendor certificate expires?
Topic: App & System Services SubTopic: Notifications Tags:
2w
Apple Developer Enrollment Payment Problem
I'm trying to pay for Apple Developer Enrollment. I just get an email saying, We'll respond within 2 days. Then a specialist contacted me a week ago, I attached my passport and then tried paying with a second card, since the first card wasn't processed due to the financial institution. The second card should work (other people with the same region as me - RU and the same card from same Financial Institution as me were able to pay); I tried yesterday and today. It says duplicate order. Can anyone help me with this? This card should definitely work, but there aren't even any orders on it. How to know what happening and what can i do rn? Maybe problem with a processing Please, help. Trying since April 24 ^( Thank you.
Topic: Developer Tools & Services SubTopic: Apple Developer Program Tags:
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137
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Reply to Picker text wrapping
Hello @AdrianSim Yes, please share your code here as well as in a feedback report filed through Feedback Assistant. Once you file the report reply with the feedback number here, so I can share that report with the relevant engineering team. Some things worth investigating: iOS provides a wide range of text sizes for the user to select from. When using default text styles, your app will automatically respond to the user's preferred text size. Confirm that your physical device has the same settings in Settings > Accessibility > Display & Text Size on both devices. I'm also curious if the physical device has the same Language and Region settings located in General > Location & Region, which could also have an effect here. For more information see Typography and Font.  Travis
Topic: UI Frameworks SubTopic: SwiftUI
2w
Reply to Picker text wrapping
Could you show the code where you populate the picker ? And screenshots ? Maybe you have to set the cell explicitly as here: func pickerView(pickerView: UIPickerView, viewForRow row: Int, forComponent component: Int, reusingView view: UIView!) -> UIView { var label : UILabel if view == nil { label = UILabel(frame: CGRect(x: 0, y: 0, width: 0, height: UIFont.systemFontOfSize(UIFont.systemFontSize()).lineHeight * 2 * UIScreen.mainScreen().scale)) label.textAlignment = NSTextAlignment.Center label.numberOfLines = 2 // For you should be 1 label.lineBreakMode = NSLineBreakMode.ByWordWrapping label.autoresizingMask = UIViewAutoresizing.FlexibleWidth } else { label = view as UILabel } label.text = line1 + n + line2 return label; } Get details here: https://stackoverflow.com/questions/1865002/uipickerview-with-multiline-uilabel
Topic: UI Frameworks SubTopic: SwiftUI
2w
Family Controls Distribution Entitlement — 13 Days, No Response
Hello, I submitted a Family Controls Distribution entitlement request on May 1st, 2026 and received the generic confirmation page. It has now been 13 days with no approval, rejection or status update. Timeline: May 1st: Submitted request via developer.apple.com/contact/ request/family-controls-distribution → Received confirmation page May 8th: Opened Entitlements ticket via Developer Support → No response after 6 days (despite the stated 2 business day response time) My app Knipsi is a parental control app for the DACH market. It helps families manage screen time by letting children earn credits through completing real-world tasks, with parents approving via Face ID. The app is 100% finished and ready for TestFlight — this entitlement is the only remaining blocker. App Details: Team ID: 5GW9CM8T7U Bundle ID: aquilano.Knipsi Case: 102883106983 Frameworks: FamilyControls, ManagedSettings, DeviceActivity I understand the entitlement review takes time — but what concerns me is that the support ticket ope
Topic: App & System Services SubTopic: General Tags:
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239
2w
Reply to tahoe 26.4.1 chdir(2) problem
As of this posting, chdir(2) is now following symbolic links. As per the man page, this is NOT what it is supposed to do. As a small expansion to what Quinn said, it's also not clear to me how the system could work if it DIDN'T follow symbolic links. Theoretically, you could expect everyone to call realpath() before calling chdir, but the file system is an inherently unstable collection of race conditions[1]... so correctness would actually require looping between realpath & chdir until timing worked out such that you got a realpath[2] that happened to not include any symbolic links. UNIX's broad semantic is to make symbolic links as invisible as possible, which allows apps that choose to ignore their existence without any additional effort. You can imagine a system that didn't work that way, but the APIs for that would look much more like how bookmarks are handled than the way symbolic links work. [1] Many apps, particularly command line tools, are written in a way that ignores this rea
Topic: App & System Services SubTopic: Core OS
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2w
Reply to Kernel panics on M5 devices with network extension
@DTS Engineer - I might have spoke too soon, as today I had a Kernel Panic crash after sleep and it is still happening after day 3 of being on 26.5. I can send the .panic file if needed. I ran it through Claude and the error is definitely related to a network monitoring tool. In my use case: Root Cause: Kernel panic caused by a Kernel Tag Check Fault (MTE violation) in the SentinelOne Network Monitor Extension (com.sentinelone.network-monitori, pid 725) while performing packet inspection/filtering via the NEFilterExtensionProviderContext on CPU core 5. The crash occurred shortly after the MacBook Pro M5 Pro woke from sleep. The ESR value (0x0000000096000011) confirms an ARM data abort due to a memory tag mismatch, indicating a memory safety bug (likely use-after-free or stale pointer) in the SentinelOne network extension's kernel code path. This is consistent with the previously documented N1 wireless chip / Cisco Secure Client kernel panic pattern on M5 Pro devices.
Topic: App & System Services SubTopic: Networking Tags:
Replies
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2w
Enrollment stuck for 2 months
Hi all. I have been trying to enroll in the Apple Developer Program for around 2 months. I have made couple of payments and received order confirmation email saying order will be processed within 2 business days. I have received no further emails I can find. Can anyone please advice me how I can check the status of my enrollment or if something more is needed for my order to be processed. Many thanks.
Topic: Developer Tools & Services SubTopic: Apple Developer Program
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1
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0
Views
165
Activity
2w
iOS 26.5 SIGKILLs audio-recording app at ~50s of background despite UIBackgroundModes: audio - what is the supported API path?
Hi, hoping for guidance on what's a long-running bug for our app. The problem We have a transcription app on iPhone 17 Pro Max running iOS 26.5. Recording flow uses AVAudioEngine.installTap(onBus:) to capture PCM into a JS bridge for streaming to a remote transcription service. A parallel AVAudioRecorder writes the same audio to disk as backup. When the user starts a recording and locks the phone, iOS terminates our process with SIGKILL at approximately 50 seconds of continuous background time, despite: UIBackgroundModes includes audio (verified in shipping IPA's Info.plist) AVAudioSession.setCategory(.playAndRecord, mode: .default) is active AVAudioEngine is running with installTap producing PCM buffers right up to the moment of death UIApplication.backgroundTimeRemaining returns Double.greatestFiniteMagnitude at applicationDidEnterBackground (verified in our event log) No AVAudioSession.interruptionNotification is delivered before the kill. iOS terminates the process cleanly with no warning event to our obs
Topic: App & System Services SubTopic: Processes & Concurrency Tags:
Replies
1
Boosts
0
Views
201
Activity
2w
Team ID not matching my Newly registered Developer Account
I originally signed into Xcode using my iCloud email account. A few days later, I enrolled in the Apple Developer Program using the same account. However, I noticed that Apple generated a different Team ID for the developer account, which does not match the Team ID that was originally associated with my Xcode account. Now, whenever I sign in with that same account, I continue to get the original Team ID instead of the new one created with the developer account. Because of this mismatch, I’m unable to properly link my app and developer account. I would like assistance understanding why there are two different Team IDs for the same Apple account and how I can make Xcode use the correct developer Team ID. @Developer Technical Support
Topic: Code Signing SubTopic: Certificates, Identifiers & Profiles
Replies
1
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0
Views
93
Activity
2w
IPhone 17 Pro, SMPTE ST2139 Sync Compatibility & Rates
Hi, I'm looking for some clarity around hardware implementation details for the Iphone 17 Pro / Pro Max's camera sync via SMPTE ST2139. Question 1 (Signaling) ST2139 specifies that on the USB connector, D+ (pin A6 and B6), D- (pin A7 and B7) SBU1 (A8) and SBU2 (B8) can be used for sync signals. Does the iphone 17 pro / pro-max support all of these per the standard, or only a subset of these pins for sync signaling? Question 2 (Frame rates) Does the Iphone 17 pro / pro-max support ST2139 sync at any / all of its video rates (24, 25, 30, 60, 100, 120 fps), or only a subset of those? Question 3 (Sync tolerances) What is the tolerance of these rates to sync variation (ie would the phone/camera accept 29.970 sync when the camera is set to 30 fps?) and what are the tolerances for jitter to maintain a good sync lock? Thanks
Topic: Media Technologies SubTopic: Photos & Camera Tags:
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0
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0
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102
Activity
2w
Team ID not matching my Newly registered Developer Account
I originally signed into Xcode using my iCloud email account. A few days later, I enrolled in the Apple Developer Program using the same account. However, I noticed that Apple generated a different Team ID for the developer account, which does not match the Team ID that was originally associated with my Xcode account. Now, whenever I sign in with that same account, I continue to get the original Team ID instead of the new one created with the developer account. Because of this mismatch, I’m unable to properly link my app and developer account. I would like assistance understanding why there are two different Team IDs for the same Apple account and how I can make Xcode use the correct developer Team ID.
Topic: Code Signing SubTopic: Certificates, Identifiers & Profiles
Replies
1
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0
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148
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2w
Organization enrollment to developer program verification
Hello My organization was enrolling developer program and during email verification, I have resent the code as I couldn't receive it to my organization email. After resending couple of times, now I have a message saying that exceed maximum attempt number. I have created a case with an ID : 20000115716550
Topic: Community SubTopic: Apple Developers
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2
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0
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702
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2w
Reply to Does Enterprise Program Expiration Impact an Existing APNs Certificate for MDM?
There are two type of certificates involved. The first is the MDM push certificate. An MDM server uses this to send MDM pushes to managed devices. It is associated with an Apple Account. The second is the MDM vendor certificate. The MDM vendor uses this to sign the CSR during the issuance process for an MDM push certificate. This is associated with an Apple Developer Program account or an Apple Developer Enterprise Program account. So you're asking what happens when the Apple Developer Program or Apple Developer Enterprise program account associated with an MDM vendor certificate expires?
Topic: App & System Services SubTopic: Notifications Tags:
Replies
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Activity
2w
Apple Developer Enrollment Payment Problem
I'm trying to pay for Apple Developer Enrollment. I just get an email saying, We'll respond within 2 days. Then a specialist contacted me a week ago, I attached my passport and then tried paying with a second card, since the first card wasn't processed due to the financial institution. The second card should work (other people with the same region as me - RU and the same card from same Financial Institution as me were able to pay); I tried yesterday and today. It says duplicate order. Can anyone help me with this? This card should definitely work, but there aren't even any orders on it. How to know what happening and what can i do rn? Maybe problem with a processing Please, help. Trying since April 24 ^( Thank you.
Topic: Developer Tools & Services SubTopic: Apple Developer Program Tags:
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1
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0
Views
137
Activity
2w
Reply to Picker text wrapping
Hello @AdrianSim Yes, please share your code here as well as in a feedback report filed through Feedback Assistant. Once you file the report reply with the feedback number here, so I can share that report with the relevant engineering team. Some things worth investigating: iOS provides a wide range of text sizes for the user to select from. When using default text styles, your app will automatically respond to the user's preferred text size. Confirm that your physical device has the same settings in Settings > Accessibility > Display & Text Size on both devices. I'm also curious if the physical device has the same Language and Region settings located in General > Location & Region, which could also have an effect here. For more information see Typography and Font.  Travis
Topic: UI Frameworks SubTopic: SwiftUI
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2w
Reply to Liquid Glass toolbar behavior changed in iOS 26.3/26.4?
To clarify - the two images above are from the same app. First image is 26.2 where the toolbar buttons are tinted based on the background. Second image is 26.4 where the toolbar buttons are tinted based on the appearance mode (light/dark - matching the sheet)
Topic: UI Frameworks SubTopic: SwiftUI
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Reply to Picker text wrapping
Could you show the code where you populate the picker ? And screenshots ? Maybe you have to set the cell explicitly as here: func pickerView(pickerView: UIPickerView, viewForRow row: Int, forComponent component: Int, reusingView view: UIView!) -> UIView { var label : UILabel if view == nil { label = UILabel(frame: CGRect(x: 0, y: 0, width: 0, height: UIFont.systemFontOfSize(UIFont.systemFontSize()).lineHeight * 2 * UIScreen.mainScreen().scale)) label.textAlignment = NSTextAlignment.Center label.numberOfLines = 2 // For you should be 1 label.lineBreakMode = NSLineBreakMode.ByWordWrapping label.autoresizingMask = UIViewAutoresizing.FlexibleWidth } else { label = view as UILabel } label.text = line1 + n + line2 return label; } Get details here: https://stackoverflow.com/questions/1865002/uipickerview-with-multiline-uilabel
Topic: UI Frameworks SubTopic: SwiftUI
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2w
Family Controls Distribution Entitlement — 13 Days, No Response
Hello, I submitted a Family Controls Distribution entitlement request on May 1st, 2026 and received the generic confirmation page. It has now been 13 days with no approval, rejection or status update. Timeline: May 1st: Submitted request via developer.apple.com/contact/ request/family-controls-distribution → Received confirmation page May 8th: Opened Entitlements ticket via Developer Support → No response after 6 days (despite the stated 2 business day response time) My app Knipsi is a parental control app for the DACH market. It helps families manage screen time by letting children earn credits through completing real-world tasks, with parents approving via Face ID. The app is 100% finished and ready for TestFlight — this entitlement is the only remaining blocker. App Details: Team ID: 5GW9CM8T7U Bundle ID: aquilano.Knipsi Case: 102883106983 Frameworks: FamilyControls, ManagedSettings, DeviceActivity I understand the entitlement review takes time — but what concerns me is that the support ticket ope
Topic: App & System Services SubTopic: General Tags:
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1
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239
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2w
Reply to AlarmKit Fixed Schedule Going off at Midnight
I have refactored my code using your approach @ekurutepe and still get users complaining about the same issue (random or midnight alarms). There are also some people complaining that they uninstalled the app but still receive the alarms.
Topic: App & System Services SubTopic: General Tags:
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2w