Hi, there's this point at which a beginner needs to beg for help. Unable to open mach-O at path: /Library/Caches/com.apple.xbs/Binaries/RenderBox/install/Root/System/Library/PrivateFrameworks/RenderBox.framework/default.metallib Error:2 I get this everytime I select a month and year on a custom date picker, I believe because I try to force the ".generateChartData()" for the chart to update. I guess the problem might be that the ".onAppear" and ".onChange" are conflicting with each other? } .onChange(of: showDatePicker) { viewModel.startDate = selectedDate viewModel.generateChartData() } } .onAppear { viewModel.generateChartData() }

Hello Apple Support, I’m facing an issue with Background Fetch in my React Native project. When I click on Simulate Background Fetch in Xcode, everything works as expected on the iOS Simulator—background tasks run smoothly, and data is fetched without issues. However, on a real device, the app goes to the background but doesn’t execute any of the scheduled background tasks, and it also remains in the background without terminating. Here’s some additional context: React Native Project: I’m using React Native to develop this app, and the background tasks involve: Getting User Location: Fetching the user’s location in the background. API Calls: Calling an API to fetch necessary information based on the user’s location. Scheduling Notifications and Alarms: Scheduling notifications and alarms based on the API response data. Simulator vs. Real Device: In the iOS Simulator, all these background tasks trigger and function correctly when I simulate Background Fetch. On the real device, however, none of these tasks are triggered when I try to simulate Background Fetch. The app only moves to the background without performing any tasks or getting terminated. Device and Configuration Details: iOS Version: 17 Device Model: Iphone xs, Iphone 11, iphone 7 Background Modes: Background Fetch is enabled in Capabilities, and I’ve set the fetch interval to the minimum for testing. I’ve verified that all configurations are correctly set, and I’ve tried restarting the device and Xcode, but the issue persists. Is there something specific about Background Fetch that could prevent it from functioning as expected on physical devices? Any guidance on troubleshooting or additional steps would be highly appreciated. Thank you!

I have uploaded my app to App Store Connect TestFlight. Then I have downloaded it in TestFlight on my iPad. But the app always crashes a few seconds after opening. It seems to be always the same issue. I have a few crash reports in App Store Connect-->App name-->TestFlight-->Feedback-->Crashs. I have opened a crash report in Xcode but I don´t find the error that causes the crash. How can I find the error in Xcode? Is it possible to find the class and line in the class where the crash happened? In addition, how can I export a crash report from Xcode? The crash doesn´t happen in debug mode on my iPad, it only happens when I install and open my app after downloading it from TestFlight on my iPad.

Hello, my app has a custom font for some UI elements. When building with XCODE to my local device, all works and looks great. When distributing with TestFlight, the font doesn't seem to apply! Yes, I've included the .ttf in my Development assets, anyone else having this issue with the TestFlight Distribution of their app?

辅助功能 | Apple Developer Documentation In the illustration on this page related to "Prefer system-defined colors," Light is incorrectly translated as "细体". However, in the context of this article, translating it as "浅色" (light color) would be a more appropriate choice.

Good morning everyone, I am developing a Flutter app for Android and iOS. When I press a button, the app detects the location of the device (obviously with permissions already granted). On Android everything works correctly. On iOS, however, when I press the button for the first time after opening the app, the location is detected after about 30-50 seconds. On the other hand, if I repeat the operation later, the response time is drastically reduced (only a few seconds). I am using the location package (https://pub.dev/packages/location), and the code to get the location is as follows: var currentLocation = await location.getLocation(); Has anyone experienced this problem before or knows how to solve it? Thank you very much! Federico

Hi, From App analytics, we found that our app crashed from time to time on users' devices despite that we have tested it thoroughly on our devices. We are doubt that it's the reason why we can't retain them. But how can we get the crash reports for the app installed on user devices? We have no users' emails and can't ask them directly.

Hello everybody! I would like some help to resolve the error "/usr/bin/openssl" x509 -noout. I've tried different ways but it persists. I'm using Delphi (Embarcadero) version 12, I've also tried with 11 and without success. I use MacMini version 15.2. What could be causing this error Thank you in advance

Routinely I'll have additional questions when browsing the Apple Developer Documentation. Would be really convenient if we could just submit that feedback from the documentation webpage itself, Apple could have the data, and potentially down the line address it; but at least you'd have the data. For example, I'm looking at the documentation for AttributedString: https://developer.apple.com/documentation/foundation/attributedstringprotocol/index(_:offsetbycharacters:) Now, I would like to know what would happen if the distance brought the position past the end, what would be returned. Because it's non-optional which I imagine would imply nil would be returned if the parameters were invalid. But it doesn't say. I run into these small missing behavioral details with some regularity and imagine others do as well. It would be really great if we could just submit that discrepancy and perhaps see some numbers on the page of the total number of discrepancies submitted or something so we can see that it's not just us and have some peace of mind that based on the amount of feedback submitted there's a higher chance that this discrepancy will be addressed in the future.

What happen when a deprecated method is used in project submitted to Apple Store Connect ? Generally the Apple documentation give the alternative like "Use ***: instead" but sometime the documentation do not suggest anything. What to do when a such Warning happen ?

I just noticed that when you check the online documentation for Foundation using the delicious Objective-C flavor, some values are no more the expected ones: https://developer.apple.com/documentation/foundation/filemanager/copyitem(at:to:)?language=objc#return-value true if the item was copied successfully or the file manager’s delegate stopped the operation deliberately. Returns false if an error occurred. Considering that a BOOL used to be YES or NO for the last quarter of a century, I have the following question: [Q] What is the idea behind the disturbing changes of the Objective-C documentation?

(Copy pasted from FB17261080 that I submitted) Hi: Apple's SDK (libSystem.B.tbd) provides definition for multiple symbols(__unw_add_dynamic_fde / __unw_add_find_dynamic_unwind_sections ), but doesn't provide corresponding headers, available in LLVM upstream as libunwind_ext.h We need such headers to write Exception-Enabled JIT Framework for macOS

The project at hand is quite complex, and the link content is especially. I suddenly saw this warning again in recent days and wanted to inquire about when this deletion would be done, so that our team could make preparations and plan in advance.

Hi all, I’m developing a watchOS app and have seen cases where the app is terminated by the system — for example, due to CPU usage limits being exceeded (watchdog termination). Here’s a portion of one of the crash reports: Exception Type: EXC_CRASH (SIGKILL) Exception Codes: 0x0000000000000000, 0x0000000000000000 Termination Reason: CAROUSEL 2343432205 <RBSTerminateContext| domain:10 code:0x8BADF00D explanation:[app<app_name>:898] Failed to terminate gracefully after 5.0s ProcessVisibility: Foreground ProcessState: Running WatchdogEvent: process-exit WatchdogVisibility: Foreground WatchdogCPUStatistics: ( "Elapsed total CPU time (seconds): 11.280 (user 9.800, system 1.480), 100% CPU", "Elapsed application CPU time (seconds): 5.162, 46% CPU" ) reportType:CrashLog maxTerminationResistance:Interactive> My questions: 1.) Is there any way to get notified (via Crashlytics, Xcode Organizer, or any other reporting mechanism) when this type of system-level termination happens — similar to how we’re notified of crashes? 2.)Is there any way for a watchOS app to receive runtime warnings from the system when it’s about to exceed CPU or memory limits — similar to UIApplication.didReceiveMemoryWarningNotification on iOS? Thanks in advance!

We are looking for a platform or portal provided by Apple that allows us to track crashes, hangs, or other runtime issues faced by users while using our iOS/macOS application. This is similar to how we currently use Windows Error Reporting (WER) for our Windows application. Important note: Our application is not distributed via the Apple App Store — it is delivered through enterprise distribution or ad-hoc provisioning.

I'm using Xcode 16.3 and I want to add the key "NSUbiquitousContainers" but I cannot do it in the Entitlements file, it should be in info.plist file! I have done it before but in previous versions of Xcode when the info.plist was in the project navigator. However, now I cannot find the file and I did not find any way to create it! Please guide me in detail how to proceed (I'm not new to Swift or SwiftUI but not familiar to project settings)?

Certainly! Below is a structured report you can use to submit to Apple Developer Support, Feedback Assistant, or share with the ad network for escalation. This report is tailored based on the logs and forensic analysis we’ve conducted. Structured Report: SKAdNetwork Attribution Failures Subject/Title: Critical SKAdNetwork Attribution Failures (Bug Type: 237, Failure Type: 1201 in ASDErrorD We are encountering repeated SKAdNetwork attribution failures (failureType: 1201 in ASDErrorDomain) for ad impression events processed through the ad network mj797d8u6f.skadnetwork. These failures are causing significant revenue losses, as ad impressions are not being properly attributed to installs. The issue occurs across multiple campaigns and involves both SKAdNetwork API 3.0 and 4.0, suggesting a systemic problem with attribution validation or network communication. This problem is critical as it disrupts advertisers’ ability to track conversions, optimize campaigns, and allocate budgets effectively. Technical Details Key Logs: Below are anonymized samples of the failed SKAdNetwork events: Log Sample 1 (Failure): { "bug_type": "237", "timestamp": "2025-01-07 22:49:15.00 -0500", "os_version": "iPhone OS 18.2.1 (22C161)", "roots_installed": 0, "incident_id": "78523BD9-1F58-4738-B526-8A8A63203214" } { "advertisementStoryId": "3D2E7EBB-1A57-4DF8-9375-2C465F423038", "apiVersion": "3.0", "eventType": "adImpression", "resultType": "finalized", "anonymous": true, "failureType": 1201, "failureDomain": "ASDErrorDomain", "clientEventId": "0F456623-584F-4913-BBD3-C3FD1219D104", "os": "iOS", "topic": "xp_amp_skad_perf", "adType": "app", "adNetworkId": "mj797d8u6f.skadnetwork", "eventTime": 1736305200000, "osBuildNumber": "22C161", "hardwareFamily": "iPhone", "api": "SKAdNetwork" } Log Sample 2 (Failure): { "bug_type": "237", "timestamp": "2025-01-07 22:49:15.00 -0500", "os_version": "iPhone OS 18.2.1 (22C161)", "roots_installed": 0, "incident_id": "0CBF612D-F0D9-449E-A34E-DE2DB92BEC0D" } { "advertisementStoryId": "946E568C-D2C1-478F-BFF3-4996C48F9B39", "apiVersion": "3.0", "eventType": "adImpression", "resultType": "finalized", "anonymous": true, "failureType": 1201, "failureDomain": "ASDErrorDomain", "clientEventId": "1A3D48FB-4452-4FD8-BB25-1195470A53DC", "os": "iOS", "topic": "xp_amp_skad_perf", "adType": "app", "adNetworkId": "mj797d8u6f.skadnetwork", "eventTime": 1736298000000, "osBuildNumber": "22C161", "hardwareFamily": "iPhone", "api": "SKAdNetwork" } Log Sample 3 (Success Example for Comparison): { "bug_type": "237", "timestamp": "2025-01-07 22:49:15.00 -0500", "os_version": "iPhone OS 18.2.1 (22C161)", "roots_installed": 0, "incident_id": "BFEAC86B-8195-4DB0-96FF-2028107256AD" } { "advertisementStoryId": "946E568C-D2C1-478F-BFF3-4996C48F9B39", "apiVersion": "3.0", "eventType": "adImpression", "resultType": "finalized", "anonymous": true, "clientEventId": "F6265488-E0FB-448A-A406-3F7254BCA9D7", "os": "iOS", "topic": "xp_amp_skad_perf", "adType": "app", "adNetworkId": "mj797d8u6f.skadnetwork", "eventTime": 1736294400000, "osBuildNumber": "22C161", "hardwareFamily": "iPhone", "api": "SKAdNetwork" } Failure Details: • Failure Type: 1201 • Failure Domain: ASDErrorDomain • Ad Network ID: mj797d8u6f.skadnetwork • API Versions Affected: 3.0, 4.0 • Timeframe of Failures: All logs occur within 2025-01-07 22:00:00 UTC to 23:00:00 UTC. Environment: • OS Version: iOS 18.2.1 (Build 22C161). • Device Type: iPhone (hardwareFamily: iPhone). • App Configuration: Includes the ad network ID in the Info.plist under SKAdNetworkItems. Impact Details Financial Loss: • Based on failure rates, we estimate $20–$65/day per advertiser for small campaigns and $75–$375/day per advertiser for larger campaigns. • If 100 advertisers are affected, daily losses range from $2,000–$37,500. • Over a week, losses could exceed $70,000 to $262,500 or more. 2. Operational Impact: • Advertisers cannot track installs or optimize campaigns, leading to inefficient ad spending and potential budget reallocation to other networks. • Damaged trust between advertisers and the ad network. 3. Reputation Risk: • Continued failures harm the credibility of the SKAdNetwork framework, critical in a post-ATT (App Tracking Transparency) ecosystem. Steps to Reproduce Serve an ad impression through the ad network mj797d8u6f.skadnetwork. Monitor SKAdNetwork attribution for that impression. Observe repeated failures (failureType: 1201) despite the resultType: finalized status. Recommendations for Investigation Attribution Timeout: • Verify if these failures stem from delayed responses or missed attribution windows. 2. Ad Network Configuration: • Confirm the ad network’s integration complies with SKAdNetwork API 3.0 and 4.0 requirements. 3. Infrastructure Review: • Investigate potential bottlenecks or failures in Apple’s attribution servers (ASDErrorDomain) or communication delays. Contact Details • Name: [Your Full Name] • Role: [Your Role] (e.g., Ad Network Analyst/Developer) • Organization: [Your Company Name] • Email: [Your Email Address] • Phone: [Your Phone Number] Submission Instructions You can submit this report via the following channels: • Apple Feedback Assistant: Feedback Assistant • Bug Reporting Tool: Bug Reporting • Apple DTS: Developer Technical Support This structured report should provide Apple with all the necessary details to investigate and resolve the issue effectively. Let me know if you’d like help customizing it further!

How can I get the macOS version from the Mac Catalyst version? We're building Info.plist files ourselves but we need a way to programatically (using shell scripts) derive the LSMinimumSystemVersion key needed from the iOS deployment target.

I use CMake for my builds not the XCode GUI. I want to be able to build a single .app that contains both the GUI version and the command line version. I have seen products that ship both as part of the same .app (e.g. CMake) so this is clearly entirely possible, the 64k question is HOW? Right now I am building them as separate apps - lets call them DSS and DSSCL (*). The code base for each is in its own directory - each with its own CMakelists.txt file. My initial thoughts are to change the build for DSSCL so it doesn't create a bundle and then simply copy the DSSCL command and related .qm files into DSS.app/.../MacOS. However that's likely enough totally wrong, so how should I handle this please. As much detail as possible please, I am very new to macOS development -please don't assume knowledge of stuff that's second nature to you Many thanks David (*) Strictly they are DeepSkyStacker and DeepSkyStackerCL

Hello, I currently have a live application in the iOS App Store that needs an update to start functioning again, but I've lost the source code in a hard drive failure. Is there a way to reverse engineer the currently deployed package that is live (and also a way to download it from App Store Connect)⁉️ The development change itself is just a very small change for an API route in the code itself. I could even direct an engineer at Apple to make the change in 5 minutes! Let me know if this is possible. Thanks❗️