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dsym file

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Reply to Animation Glitch behind Tab-bar
Hello sarveshb, Thanks for the screenshots documenting this issue, and the sample code. This issue may be related to scroll edge effect. Can you please file a bug report so we can have a relevant engineering team further investigate this? Once you open the bug report, please post the FB number here for my reference. If you have any questions about filing a bug report, take a look at Bug Reporting: How and Why? Thank you for your patience, Richard Yeh  Developer Technical Support
Topic: UI Frameworks SubTopic: SwiftUI Tags:
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Cannot preview in this file – SwiftUI Preview referencing deleted simulator
I'm running Xcode 26.2 (17C52). After deleting all simulators and creating new ones, SwiftUI Preview stopped working. Xcode reports: “Simulator [D774B214-XXXX-XXXX-XXXX-XXXXXXXX8288] failed to boot and may have crashed.” However, when I list all available simulators using xcrun simctl list, there is no simulator with that identifier. It seems Xcode is still referencing a previously deleted simulator. I have tried: Deleting all simulators again Creating new simulators Restarting Xcode and the system But the issue persists and Preview still fails to launch. Has anyone encountered this issue or knows how to clear the cached simulator reference used by SwiftUI Preview?
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Reply to iOS 26; Wrong Account for TF purchase attempt
Hello, To further investigate this, please file a bug report using Feedback Assistant. It is crucial that you securely attach screenshots of the purchase dialog showing the incorrect email, as well as screenshots from your device's Settings > App Store screen showing both the Media & Purchases and the Sandbox Account sections. Additionally, you can follow the instructions on the Bug Reporting - Profiles and Logs page to capture and attach a sysdiagnose log immediately after reproducing the issue. Once submitted, please share the Feedback ID (e.g., FB12345678) here to track the report.
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Reply to Critical: finishTransaction() fails to clear queue in iOS 26.2 Sandbox (TestFlight)
Thank you for the detailed information. To investigate this behavior thoroughly, could you please file a report using Feedback Assistant and include a sysdiagnose log? Part 1 How to File the Feedback Report Navigate to Feedback Assistant and log in with your Apple Developer account. Choose iOS & iPadOS for the product. For the report details, please include the detailed description and steps to reproduce from your post as well as the sysdiagnose. Part 2 Capture and Attach sysdiagnose Go to the Bug Reporting - Profiles and Logs page. Follow the instructions to install the necessary profiles for App Store issues. Once the profiles are installed, reproduce the purchase issue in your app and capture the sysdiagnose. Attach the resulting log file to your Feedback Assistant ticket. Part 3 Share the Feedback ID After you submit the report, please share the Feedback ID here to find your report and track its progress.
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Reply to NSFileSandboxingRequestRelatedItemExtension: Failed to issue extension
Since my AppStore app works, I must oversee something little that has this big effect. I can't otherwise explain the negative result. I have setup a super simple Git project here: https://github.com/vrunkel/RelatedFileTest I took a look at your sample and I'm not sure what's going on here either. Can you file a bug on this and then post the bug number back here? __ Kevin Elliott DTS Engineer, CoreOS/Hardware
Topic: App & System Services SubTopic: Core OS Tags:
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Reply to My app seems to cause Time Machine errors
I've been using TM since Leopard, and I have tens of documents regularly open in a variety of applications, and I've never seen this error until I started using my own app. The app's role is an Editor, as it can modify and save files. So, I think there are actually two different issues at work here: I think TM is delaying the backup because it's been told your document has pending, unsaved changes. I'd start by checking the documentEdited property, which should be false (unless the document has been edited). The fact that you need to quit the app (not just close the document) implies that you're leaking a document reference of some kind, which is then extending the impact of #1 beyond the point when you closed the document. In terms of how you investigate this further, I would start with very focused testing to specifically validate the general theory above. A few ideas and suggestions: What open files does Activity Monitor show when your app is running and is that matching up properly with
Topic: App & System Services SubTopic: Core OS Tags:
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Reply to Any (developer) option to override log quarantine?
Apologies I meant to ask about activity tracing as well (they are related to this topic but if we think another forum post is better I can do it too). At certain point this also became one of the directions we wanted to explore but we've only uncovered more questions. The related documentation stated something but very vaguely. https://developer.apple.com/documentation/os/generating-log-messages-from-your-code?language=objc#Choose-the-Appropriate-Log-Level-for-Each-Message If an activity object exists, the system captures information for the related process chain We had hoped that this would somewhat play into the speculative logging approach we had touched upon, in the sense that if we try to log an error or fault within an activity, then it helps to capture and persist other logs on the activity chain even though they are originally not meant to be. But unfortunately from our test it didn't seem to be behaving towards that understanding. Then our question is, if we may ask - what are the exact additional in
Topic: App & System Services SubTopic: Core OS Tags:
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Reply to My app seems to cause Time Machine errors
I've been using TM since Leopard, and I have tens of documents regularly open in a variety of applications, and I've never seen this error until I started using my own app. The app's role is an Editor, as it can modify and save files. Nonetheless, TextEdit, Pages, BBEdit, and countless other apps that I use don't have this problem.
Topic: App & System Services SubTopic: Core OS Tags:
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Reply to Unable to find intelgpu_kbl_gt2r0 slice or a compatible one in binary archive
Thanks for the post, this is extremely interesting to me for metal, what version of macOS are you using in what computer that can’t find the slice? I think, the error message Unable to find intelgpu_kbl_gt2r0 slice or a compatible one strongly suggests that it is related to the performance of the app on your Mac running macOS 26.2. This is a specific slice or compilation target for Metal shaders. This file contains precompiled Metal shader code for various graphics hardware configurations. The error means the system couldn't find a version of a shader that's compatible with your specific Intel graphics processor in the precompiled resources? The error message you're seeing is a strong indicator of a graphics-related issue likely impacting performance on your Intel Mac. The specific version of macOS and the applications you are using will determine the scope of the impact and the appropriate troubleshooting steps. I’m not an expert in metal nor I know enough to figure it out. May I ask you to submit a
Topic: Graphics & Games SubTopic: Metal Tags:
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Reply to evaluateJavaScript callback is significantly slow on macOS 26.2 for iOS App on Mac
This sounds very similar to the issue discussed in https://developer.apple.com/forums/thread/700648. Our engineering teams need to investigate this issue, as resolution may involve changes to Apple's software. Please file a bug report, include a small Xcode project and some directions that can be used to reproduce the problem, and post the Feedback number here once you do. I'll check the status next time I do a sweep of forums posts where I've suggested bug reports and post any information about changes I am able to share to this thread. Bug Reporting: How and Why? has tips on creating your bug report.
Topic: Safari & Web SubTopic: General Tags:
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Reply to USDZ model files when opened in Preview turns black
Our engineering teams need to investigate this issue, as resolution may involve changes to Apple's software. Please file a bug report, include a copy of the file(s) you're having trouble with, and post the Feedback number here once you do. I'll check the status next time I do a sweep of forums posts where I've suggested bug reports and post any information about changes I am able to share to this thread. Bug Reporting: How and Why? has tips on creating your bug report.
Topic: Media Technologies SubTopic: General Tags:
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