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Reply to *.ips CrashReport not always available when dext crashes
While developing our driver, we've noticed that the *.ips report that contains the stack trace of the crash is not always generated. To be clear, you're talking about DEXT level users space crashes, NOT kernel panics? I've assumed below that you're dealing with standard crashes, but please let me know if I've misunderstood. I'm wondering why this report may not get generated. So, the first step here is to figure out what actually happened, which means digging through the console log. In general, there are multiple components tracking (notably, launchd) any system component (including DEXTs) and they'll be notified of your process's death, including how/why it died. If you're on development hardware then there are some tips in Your Friend the System Log that can be useful for quickly getting at this sort of data; however, I'd generally trigger a sysdiagnose and use that console archive. The big advantage of the sysdiagnose is that you capture everything, which means you're not going to miss data if so
Topic: App & System Services SubTopic: Drivers Tags:
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Reply to XCTestPlan environment variable not retrieved in xcode 26
There are no known issues around this in Xcode 26. If you are using XCTest UI Automation style tests, please ensure you are accessing environment variables set in a test plan from your test runner process and not from the process of an app-under-test. If you believe this is a regression, please file a Feedback with Apple and include the .xcresult bundle from Xcode's Report navigator if possible.
Topic: Developer Tools & Services SubTopic: Xcode Tags:
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Reply to How can I locate a UVC camera for PTZ control by AVCaptureDevice.unique_id
We parse the locationID out of the AVCaptureDevice.uniqueID and then find the IORegistry node with that locationID. Is there's a document declares how AVFoundation generate the unique_id for USB camera, no so I can assume this convert will always work? you can't Or is there's a way to send a PTZ control request to AVCaptureDevice? not that I know of. As far as I know, the only way is what you're doing. It looks that the unique_id provided is (locationID<<32|VendorID<<16|ProductID) as hex string, but I'm not sure if I can always assume this behavior won't change. Correct - it has changed in the past, it might change at any time in the future. Not all AVCaptureDevices are UVC, but they all have uniqueIDs. If you would like an API to clearly identify an AVCapture device in the IORegistry, please file a bug. I already did (in 2019, FB6146541)
Topic: Media Technologies SubTopic: Photos & Camera Tags:
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Reply to List's shadow flickering
Thanks so much for your bug report, please keep an eye out on your FB link as the team will communicate with you. However, so far seems like a bug the team is dealing with. There, you can track if the report is still being investigated, has a potential identifiable fix, or has been resolved in another way. The status appears beside the label Resolution. We're unable to share any updates on specific reports on the forums. For more details on when you'll see updates to your report, please see What to expect after submission. Albert Pascual
  Worldwide Developer Relations.
Topic: UI Frameworks SubTopic: UIKit Tags:
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WhatsApp backed up data gets deleted with this step
I have my mobile backup + WhatsApp backup enabled and I have subscription of icloud as well. Things went well untill yesterday I deleted whatsapp from my mobile. Installed whatsapp again then it asked to restore data and I selected yes. During restore process it allowed to click on backup and I clicked All my whatsapp non-text data got deleted as by this time only texts were imported and media files were yet to be downloaded. I lost data from 2019. I had purchased I cloud service mainly for media.
Topic: App & System Services SubTopic: iCloud & Data
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Crash on "Dispatch queue: NEFlow queue" when __88-[NEExtensionAppProxyProviderContext setInitialFlowDivertControlSocket:extraValidation:]_block_invoke.90
I observed the following crash: Code Type: ARM-64 (Native) Parent Process: launchd [1] User ID: 0 Date/Time: 2025-10-07 13:48:29.082 OS Version: macOS 15.6 (24G84) Report Version: 12 Anonymous UUID: 8B651788-4B2E-7869-516B-1DA0D60F3744 Crashed Thread: 3 Dispatch queue: NEFlow queue Exception Type: EXC_BAD_ACCESS (SIGSEGV) Exception Codes: KERN_INVALID_ADDRESS at 0x0000000000000054 ... Thread 3 Crashed: Dispatch queue: NEFlow queue 0 libdispatch.dylib 0x000000019af6da34 dispatch_async + 192 1 libnetworkextension.dylib 0x00000001b0cf8580 __flow_startup_block_invoke.216 + 124 2 com.apple.NetworkExtension 0x00000001adf97da8 __88-[NEExtensionAppProxyProviderContext setInitialFlowDivertControlSocket:extraValidation:]_block_invoke.90 + 860 3 libnetworkextension.dylib 0x00000001b0cf8140 __flow_startup_block_invoke.214 + 172 4 libdispatch.dylib 0x000000019af67b2c _dispatch_call_block_and_release + 32 5 libdispatch.dylib 0x000000019af8185c _dispatch_client_callout + 16 6 libdispatch.dylib 0x000000019af70350 _d
Topic: Programming Languages SubTopic: General
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Reply to How to update TextureResource with MTLTexture?
Hello, Is it possible to perform your processing on the texture in place? If I understand your question properly you should be able to 'lock' your texture, run a kernel over the data in that texture then 'unlock' the texture and use it to draw, having never converted to CGImage. Discover Metal 4 along with the sample code: Processing a Texture has the Metal 4 way to do this kind of thing. Here is another sample that shows a similar approach in RealitKit: https://developer.apple.com/documentation/visionOS/generating-procedural-textures-in-visionos Please post back here if I've misunderstood your question.
Topic: Spatial Computing SubTopic: General Tags:
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Reply to Xcode Signing Fails: Provisioning Profile "doesn't match" com.apple.developer.driverkit.userclient-access entitlement
Hi Kevin, Thank you for the suggestions. We have conducted a test of your third proposal regarding the IOKit User Client Class Temporary Exception. Our test procedure was as follows: We started from a known-good baseline commit where our DEXT loads correctly and the/dev/diskX node appears (though it reports 0 bytes, which is a separate issue we are debugging). We made only one change: we updated our App's .entitlements file to include the temporary exception. For absolute clarity, the exact content of the .entitlements file used for this test was: com.apple.security.temporary-exception.iokit-user-client-class IOUserUserClient com.apple.security.app-sandbox com.apple.developer.system-extension.install After a full clean, build, and reboot, the IOServiceGetMatchingService(DriverKitAcxxx) call still fails at runtime, returning IO_OBJECT_NULL. This result seems to indicate that the temporary exception entitlement is not sufficient to grant our app visibility of the active IOKit service on macOS. Be
Topic: App & System Services SubTopic: Drivers Tags:
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Reoccurring World Tracking / Scene Exceeded Limit Error
Hi, We’ve been successfully using the RoomPlan API in our application for over two years. Recently, however, users have reported encountering persistent capture errors during their sessions. Specifically, the errors observed are: CaptureError.worldTrackingFailure CaptureError.exceedSceneSizeLimit What we have observed: Persistent Errors: The errors continue to occur even after initiating new capture sessions. Normal Usage: Our implementation adheres to typical usage patterns of the RoomPlan API without exceeding any documented room size limits. Limited Feature Usage: We are not utilizing the WorldTracking feature for the StructureBuilder functionality to stitch rooms together. Potential State Caching: Given that these errors persist across sessions, we suspect that there might be memory or state cached between sessions that is not being cleared, particularly since we are not taking advantage of StructureBuilder. Request: Could you please advise if there is any internal caching or memory retention bet
Topic: Spatial Computing SubTopic: General Tags:
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Reply to Best Practices for Binary Data (“Allows External Storage”) in Core Data with CloudKit Sync
When a Binary Data attribute is marked as “Allows External Storage”, large image files are stored as separate files on the device rather than inline in the SQLite store. That is correct. There is a threshold when the data will get stored in external files next to the SQLite database, similar to the approach that you described with URLs, but that process is managed by CoreData and transparent to your app you. How effective is this mechanism in keeping the Core Data store size small on the device? It depends on what you mean by the store. The SQLite file will be smaller, but the files are still stored on the device. Are there any recommended size thresholds or known limits for how many externally stored blobs can safely be managed this way? There is in general no limit. CoreData will decide when it's worth using an external file. If the blob you are storing is only a few bytes, it'll remain inline. If you expect to have a lot of assets, you should consider how you expect your app to behave when the use
Topic: Developer Tools & Services SubTopic: General Tags:
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Reply to Cannot Update Age Rating
I was able to change the age rating by making minor changes to my original app, checking “Yes” for the “Unrestricted Web Access“ question, uprating the age to 18 yrs and resubmitting. The app has no objectionable materials and aimed at adult and teen windsurfers and kite-boarders. This process seems a bit contrived, but it worked for me. Not sure it was necessary to actually change the code. Re-archiving and validating the original code may have been enough.
Topic: App Store Distribution & Marketing SubTopic: General
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Apple not responding about upgrading to Organization account
Hi all, I obtained a D-U-N-S number, confirmed that it's available for lookup, and submitted a request to upgrade to an Organization account 12 days ago. I then followed up 3 days ago. Still haven't received a response. Does anyone know if there's anything I need to do to get a response to these inquiries? Only reason I'm upgrading to Organization account is so that multiple developers can sign debug builds for physical iPhone devices so they can collaborate on my project.
Topic: App & System Services SubTopic: General Tags:
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