Posts under App & System Services topic

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AppleScript
Here's my AppleScript: tell application "Finder" activate open application file "Messages.app" of folder "Applications" of folder "System" of startup disk end tell I just need the step to send the message making the script automatically send the message which has already been created. This step opens the completed iMessage ready to send . I want to send it without and keyboard usage. All that is needed is the step to send
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102
Nov ’25
WeatherKit DayWeather::date Timezone Issue
I use WeatherKit with Swift to get multiple cities weather by longitude and latitude. But I use this API in WeatherService for daily forecast: final public func weather<T>(for location: CLLocation, including dataSet: WeatherQuery<T>) async throws -> T And I found there is something wired: The date of WeatherKit::DayWeather is based on my device's timezone settings. Tokyo's Day Weather is start at UTC+8, New York' Day Weather is start UTC+8. Is there any way to set timezone correctly?
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141
Apr ’25
How to identify which minor user's authorization has been revoked by the parent/guardian?
I followed the method outlined in Apple's documentation to test "Revocation of Consent." Our server received the notification sent by Apple, but the parsed data only contains the following content (some data has been modified for privacy, but the fields remain unchanged): { "receiptType": "Sandbox", "bundleId": "com.xxx.xxxxx", "receiptCreationDate": 1764932591296, "requestDate": 1764932591296, "originalPurchaseDate": 1375340400000, "originalApplicationVersion": "1.0", "appTransactionId": "705020051250081000", "originalPlatform": "iOS" } How can we identify that "a parent/guardian has revoked authorization for a specific user"? We are unable to determine which minor user should be restricted from using certain features of our app. I hope to receive a prompt response from Apple's technical experts! Thanks A Lot !
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121
Dec ’25
Missing "Dolby Vision Profile" Option in Deliver Page - DaVinci Resolve 20 on iPadOS 26
Dear Support Team, ​I am writing to seek technical assistance regarding a persistent issue with Dolby Vision exporting in DaVinci Resolve 20 on my iPad Pro 12.9-inch (2021, M1 chip) running iPadOS 26.0.1. ​The Issue: Despite correctly configuring the project for a Dolby Vision workflow and successfully completing the dynamic metadata analysis, the "Dolby Vision Profile" dropdown menu (and related embedding options) is completely missing from the Advanced Settings in the Deliver page. ​My Current Configuration & Steps Taken: ​Software Version: DaVinci Resolve Studio 20 (Studio features like Dolby Vision analysis are active and functional). ​Project Settings: Color Science: DaVinci YRGB Color Managed. ​Dolby Vision: Enabled (Version 4.0) with Mastering Display set to 1000 nits. ​Output Color Space: Rec.2100 ST2084. ​Color Page: Dynamic metadata analysis has been performed, and "Trim" controls are functional. ​Export Settings: ​Format: QuickTime / MP4. ​Codec: H.265 (HEVC). ​Encoding Profile: Main 10. ​The Problem: Under "Advanced Settings," there is no option to select a Dolby Vision Profile (e.g., Profile 8.4) or to "Embed Dolby Vision Metadata." ​Potential Variables: ​System Version: I am currently running iPadOS 26. ​Apple ID: My iPad is currently not logged into an Apple ID. I suspect this might be preventing the app from accessing certain system-level AVFoundation frameworks or Dolby DRM/licensing certificates required for metadata embedding. ​Could you please clarify if the "Dolby Vision Profile" option is dependent on a signed-in Apple ID for hardware-level encoding authorization, or if this is a known compatibility issue with the current iPadOS 26 build? ​I look forward to your guidance on how to resolve this. ​Best regards, INSOFT_Fred
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191
Feb ’26
UI Testing and 'Allow Paste'
I am developing an app that allows the user to ask it to process the clipboard contents and do something with it. In developing a XC UI Test, I find the app stops while it waits for the user to give permission. That breaks the automation. I tried: let springboard = XCUIApplication(bundleIdentifier: "com.apple.springboard") let allowButton = springboard.buttons["Allow Paste"] But that does not work. Is there a way to tell the framework to automatically give the test permission to access the Paste clipboard (or to allow me to write tests to grant this)?
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194
Nov ’25
iOS AirPrint sends print-quality=high when file-type is photo even if user selects “normal”
Hi everyone, I observed a behavior with AirPrint from an iPhone and wanted to confirm if this is expected behavior from iOS. Scenario tested: File type: Photo Print-quality selected by the user: Normal Observation (from packet capture): When checking the PCAP for the request sent from the iPhone, the print-quality attribute is always sent as high, even though the user selected Normal in the UI. Question: Is this an expected behavior in iOS/AirPrint where photos are always sent with print-quality=high regardless of the user-selected print quality? Or could this be a bug?
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2w
Kext loads well after launchd and early os_log entries rarely appear in unified log
Is there a way to ensure a kernel extension in the Auxiliary Kernel Collection loads (and runs its start routines) before launchd? I'm emitting logs via os_log_t created with an os_log_create (custom subsystem/category) in both my KMOD's start function and the IOService::start() function. Those messages-- which both say "I've been run"-- inconsistently show up in log show --predicate 'subsystem == "com.bluefalconhd.pandora"' --last boot, which makes me think they are running very early. However, I also record timestamps (using mach_absolute_time, etc.) and expose them to user space through an IOExternalMethod. The results (for the most recent boot): hayes@fortis Pandora/tests main % build/pdtest Pandora Metadata: kmod_start_time: Time: 2025-07-22 14:11:32.233 Mach time: 245612546 Nanos since boot: 10233856083 (10.23 seconds) io_service_start_time: Time: 2025-07-22 14:11:32.233 Mach time: 245613641 Nanos since boot: 10233901708 (10.23 seconds) user_client_init_time: Time: 2025-07-22 14:21:42.561 Mach time: 14893478355 Nanos since boot: 620561598125 (620.56 seconds) hayes@fortis Pandora/tests main % ps -p 1 -o lstart= Tue Jul 22 14:11:27 2025 Everything in the kernel extension appears to be loading after launchd (PID 1) starts. Also, the kext isn't doing anything crazy which could cause that kind of delay. For reference, here's the Info.plist: <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd"> <plist version="1.0"> <dict> <key>CFBundleExecutable</key> <string>Pandora</string> <key>CFBundleIdentifier</key> <string>com.bluefalconhd.Pandora</string> <key>CFBundleName</key> <string>Pandora</string> <key>CFBundlePackageType</key> <string>KEXT</string> <key>CFBundleVersion</key> <string>1.0.7</string> <key>IOKitPersonalities</key> <dict> <key>Pandora</key> <dict> <key>CFBundleIdentifier</key> <string>com.bluefalconhd.Pandora</string> <key>IOClass</key> <string>Pandora</string> <key>IOMatchCategory</key> <string>Pandora</string> <key>IOProviderClass</key> <string>IOResources</string> <key>IOResourceMatch</key> <string>IOKit</string> <key>IOUserClientClass</key> <string>PandoraUserClient</string> </dict> </dict> <key>OSBundleLibraries</key> <dict> <key>com.apple.kpi.dsep</key> <string>24.2.0</string> <key>com.apple.kpi.iokit</key> <string>24.2.0</string> <key>com.apple.kpi.libkern</key> <string>24.2.0</string> <key>com.apple.kpi.mach</key> <string>24.2.0</string> </dict> </dict> </plist> My questions are: A. Why don't the early logs (from KMOD's start function and IOService::start) consistently appear in the unified log, while logs later in IOExternalMethods do? B. How can I force this kext to load earlier-- ideally before launchd? Thanks in advance for any guidance!
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186
Jul ’25
Supported URL Schemes
Some Apple URL schemes are documented for third-party use. It’s fine to use those URL schemes for their intended purpose. Other Apple URL schemes are not officially documented. Their use is unsupported. If you rely on such implementation details, things might work, or they might not, and that state might change over time. IMPORTANT If you ship via the App Store, pay attention to clause 2.5.1 of the App Review Guidelines. The Apple URL scheme documentation is not always easy to find. I’m aware of the following: Apple URL Scheme Reference QA1924 Opening Keyboard Settings from a Keyboard Extension [This Q&A was retired years ago.] Preparing your app to be the default messaging app The doc comments for es_new_client in <EndpointSecurity/ESClient.h> Developer > Bug Reporting describes the applefeedback scheme Additionally, as questions about this most commonly crop up in the context of opening Settings (System Settings on macOS), I wanted to highlight the following: UIApplication.openSettingsURLString property (in Objective-C this is UIApplicationOpenSettingsURLString) UIApplication.openNotificationSettingsURLString property (in Objective-C this is UIApplicationOpenNotificationSettingsURLString) UIApplication.openDefaultApplicationsSettingsURLString property (in Objective-C this is UIApplicationOpenDefaultApplicationsSettingsURLString) AccessibilitySettings.openSettings(for:) method FIFinderSyncController.showExtensionManagementInterface() class method SMAppService.openSystemSettingsLoginItems() class method VSOpenTVProviderSettingsURLString global CXCallDirectoryManager.openSettings(completionHandler:) method SFSafariSettings.openExportBrowsingDataSettings() method SFSafariSettings.openExtensionsSettings(forIdentifiers:) method If your app needs to perform some action that’s not covered by the above, file an enhancement request for a supported way to do that. Make sure to describes your use case in detail. Share and Enjoy — Quinn “The Eskimo!” @ Developer Technical Support @ Apple let myEmail = "eskimo" + "1" + "@" + "apple.com" Revision History 2026-01-07 Added a reference to the SFSafariSettings methods. 2025-10-28 Added a reference to UIApplication.openDefaultApplicationsSettingsURLString. Made other minor editorial changes. 2025-04-21 Added a reference to CXCallDirectoryManager.openSettings(completionHandler:). 2024-10-25 Added a reference to UIApplication.openNotificationSettingsURLString and VSOpenTVProviderSettingsURLString. Added a link to Preparing your app to be the default messaging app. 2024-10-01 Added info about the applefeedback URL scheme. 2024-09-29 Added a reference to SMAppService.openSystemSettingsLoginItems(). 2024-09-27 Added a titbit for Finder Sync extension developers. Added an invitation to file feedback. 2024-08-05 First posted.
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2.3k
Jan ’26
先调用isEligibleForAgeFeatures,返回YES后,调用requestEligibility,不会弹出是否分享年龄框的提示
[MTAgeRangeService requestEligibility:^(BOOL eligible) { if (eligible) { //您应用程序的用户所在的地区,需要执行特定年龄相关义务 [MTAgeRangeService requestAgeRangeWithAgeGates:18 in:[ViewU getCurrentVC] completion:^(enum ARResponseType responseType, ARAgeRange * _Nullable ageRange, NSError * _Nullable error) { [weakself.ageRangeLoadingView dissmiss]; self->_ageRangeLoadingView = nil; if (responseType == ARResponseTypeSharing) { //用户同意并分享了年龄范围 if ([ageRange.lowerBound intValue] >= 18) { //满18岁可以注册 }else{ //不到18岁不能注册,提示一下 } }else{ //用户拒绝或者其他未知错误,需要提示 }else{ } } }] ; }else{ }];
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172
Dec ’25
How does ageGates actually affect the returned age range?
I’m trying to fully understand the purpose of the ageGates parameter in the AgeRangeService.requestAgeRange API. The official documentation includes the following statement: “The system may return geo-specific age ranges that override your provided age gates based on the person’s location and applicable regulations. When geo-specific ranges are required, the returned age range reflects regulatory requirements rather than the bounds of your age gates.” Based on this, it seems that even if my app provides specific age thresholds through the ageGates parameter, the system may override those boundaries depending on regional laws or regulations, and return a completely different lowerBound / upperBound than what my age gates would suggest. My current understanding is: ageGates indicates the thresholds my app uses to define its internal feature tiers, but the actual age range returned by the OS is determined by legal or regional requirements (e.g., COPPA, GDPR-K, AADC, SB2420), meaning the returned age range may not align with the age ranges implied by my ageGates values. I’d like to confirm whether this interpretation is correct. Additionally, if different regions may produce different lowerBound / upperBound values due to regulatory requirements, then it seems that: developers shouldn’t rely on fixed age buckets, and instead must implement feature gating logic dynamically based on whatever age range the OS returns. So my questions are: Is my understanding correct that ageGates is simply a hint that describes my app’s tier thresholds, and the OS may override those boundaries to comply with local regulations? If lowerBound / upperBound can vary across regions, what is the recommended way for developers to design their feature-gating logic? Should we avoid hardcoded age buckets and instead build flexible logic that adapts to whatever range the OS returns? I’d appreciate clarification so I can design our age-based policies appropriately and in a regulation-compliant way.
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105
Dec ’25
How to debug a CoreSpotlight extension?
My CoreSpotlight extension seems to exceed the 6 MB memory limit. What’s the best way to debug this? I've tried to attach the debugger on the Simulator but the extension seems to be never launched when I trigger the reindex from Developer settings. Is this supposed to work? On device, I am able to attach the debugger. However, I can neither transfer the debug session to Instruments, nor display the memory graph. So I've no idea how the memory is used. Any recommendations how to move forward? Is there a way to temporarily disable the memory limit since even with LLDB attached, the extension is killed.
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193
Apr ’25
Apple Watch refuses to keep BLE connection while not in foreground
I have a standalone Apple Watch app that uses Bluetooth with the bluetooth-central background mode. It seems that in watchOS 26.2, once the system terminates the BLE connection after background allowance is exceeded, the app never regains background BLE capability, even after the user returns to the foreground and interacts with it. This contradicts the documentation and the WWDC22 “Get timely alerts from Bluetooth devices on watchOS” session, which state that background BLE connectivity should be restored when the user brings the app back to the foreground. Does anyone have any insight into this behavior?
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338
Dec ’25
False delete alarm when renaming a file
I use the code below to rename a file, it works ok, but then the system calls accommodatePresentedItemDeletion(completionHandler:) on a NSFilePresenter that presents the file, immediately after the call to presentedItemDidMove(to:) What am I doing wrong? NSFileCoordinator().coordinate(writingItemAt: oldURL, options: .forMoving, writingItemAt: newURL, options: [], error: &error) { (actualURL1, actualURL2) in do { coordinator.item(at: actualURL1, willMoveTo: actualURL2) try FileManager().moveItem(at: actualURL1, to: actualURL2) coordinator.item(at: actualURL1, didMoveTo: actualURL2) } catch {...} }
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Nov ’25
Core OS Resources
General: DevForums subtopic: App & System Services > Core OS Core OS is a catch-all subtopic for low-level APIs that don’t fall into one of these more specific areas: Processes & Concurrency Resources Files and Storage Resources Networking Resources Network Extension Resources Security Resources Virtualization Resources Share and Enjoy — Quinn “The Eskimo!” @ Developer Technical Support @ Apple let myEmail = "eskimo" + "1" + "@" + "apple.com"
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652
Aug ’25
Unable to find AppShortcutProvider
Hello, I'm evaluating if it's worth to expose shortcuts from our app, it seems to be working fine on my machine - Apple Silicon, latest Tahoe beta, Xcode 26 beta. But if I compile the same code on our intel build agents which are running latest macOS 15 and Xcode 26 beta, once I install the bundle to /Applications on Tahoe I don't see any shortcuts. Only other difference is that CI build is signed with distribution DeveloperID certificate - I re-signed the build with my dev certificate and it has no effect. I found out that linkd is somehow involved in the discovery process and most relevant logs look like this: default (...) linkd Registry com.**** is not link enabled com.apple.appintents debug (...) linkd ApplicationService Created AppShortcutClient with bundleId: com.**** com.apple.appintents error (...) linkd AppService Unable to find AppShortcutProvider for com.**** com.apple.appintents Could you please advice where to look for the problem?
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165
Jul ’25
AppleScript
Here's my AppleScript: tell application "Finder" activate open application file "Messages.app" of folder "Applications" of folder "System" of startup disk end tell I just need the step to send the message making the script automatically send the message which has already been created. This step opens the completed iMessage ready to send . I want to send it without and keyboard usage. All that is needed is the step to send
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0
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102
Activity
Nov ’25
WeatherKit DayWeather::date Timezone Issue
I use WeatherKit with Swift to get multiple cities weather by longitude and latitude. But I use this API in WeatherService for daily forecast: final public func weather<T>(for location: CLLocation, including dataSet: WeatherQuery<T>) async throws -> T And I found there is something wired: The date of WeatherKit::DayWeather is based on my device's timezone settings. Tokyo's Day Weather is start at UTC+8, New York' Day Weather is start UTC+8. Is there any way to set timezone correctly?
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0
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1
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141
Activity
Apr ’25
Cannot submit App with "Default Translation Extension"
We developed a "Default Translation App" following the guide: https://developer.apple.com/documentation/translationuiprovider/preparing-your-app-to-be-the-default-translation-app. I have already configured everything that needs to be configured according to the document, but there is still this problem
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0
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0
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41
Activity
Apr ’25
How to identify which minor user's authorization has been revoked by the parent/guardian?
I followed the method outlined in Apple's documentation to test "Revocation of Consent." Our server received the notification sent by Apple, but the parsed data only contains the following content (some data has been modified for privacy, but the fields remain unchanged): { "receiptType": "Sandbox", "bundleId": "com.xxx.xxxxx", "receiptCreationDate": 1764932591296, "requestDate": 1764932591296, "originalPurchaseDate": 1375340400000, "originalApplicationVersion": "1.0", "appTransactionId": "705020051250081000", "originalPlatform": "iOS" } How can we identify that "a parent/guardian has revoked authorization for a specific user"? We are unable to determine which minor user should be restricted from using certain features of our app. I hope to receive a prompt response from Apple's technical experts! Thanks A Lot !
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0
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1
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121
Activity
Dec ’25
开发者账户无法注册
在Developer app中现在注册按钮时置灰等,无法点击,我发送的联系邮件也没有得到回应,有什么办法解决吗
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0
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1
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284
Activity
Jan ’26
Missing "Dolby Vision Profile" Option in Deliver Page - DaVinci Resolve 20 on iPadOS 26
Dear Support Team, ​I am writing to seek technical assistance regarding a persistent issue with Dolby Vision exporting in DaVinci Resolve 20 on my iPad Pro 12.9-inch (2021, M1 chip) running iPadOS 26.0.1. ​The Issue: Despite correctly configuring the project for a Dolby Vision workflow and successfully completing the dynamic metadata analysis, the "Dolby Vision Profile" dropdown menu (and related embedding options) is completely missing from the Advanced Settings in the Deliver page. ​My Current Configuration & Steps Taken: ​Software Version: DaVinci Resolve Studio 20 (Studio features like Dolby Vision analysis are active and functional). ​Project Settings: Color Science: DaVinci YRGB Color Managed. ​Dolby Vision: Enabled (Version 4.0) with Mastering Display set to 1000 nits. ​Output Color Space: Rec.2100 ST2084. ​Color Page: Dynamic metadata analysis has been performed, and "Trim" controls are functional. ​Export Settings: ​Format: QuickTime / MP4. ​Codec: H.265 (HEVC). ​Encoding Profile: Main 10. ​The Problem: Under "Advanced Settings," there is no option to select a Dolby Vision Profile (e.g., Profile 8.4) or to "Embed Dolby Vision Metadata." ​Potential Variables: ​System Version: I am currently running iPadOS 26. ​Apple ID: My iPad is currently not logged into an Apple ID. I suspect this might be preventing the app from accessing certain system-level AVFoundation frameworks or Dolby DRM/licensing certificates required for metadata embedding. ​Could you please clarify if the "Dolby Vision Profile" option is dependent on a signed-in Apple ID for hardware-level encoding authorization, or if this is a known compatibility issue with the current iPadOS 26 build? ​I look forward to your guidance on how to resolve this. ​Best regards, INSOFT_Fred
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0
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0
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191
Activity
Feb ’26
UI Testing and 'Allow Paste'
I am developing an app that allows the user to ask it to process the clipboard contents and do something with it. In developing a XC UI Test, I find the app stops while it waits for the user to give permission. That breaks the automation. I tried: let springboard = XCUIApplication(bundleIdentifier: "com.apple.springboard") let allowButton = springboard.buttons["Allow Paste"] But that does not work. Is there a way to tell the framework to automatically give the test permission to access the Paste clipboard (or to allow me to write tests to grant this)?
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0
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0
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194
Activity
Nov ’25
iOS AirPrint sends print-quality=high when file-type is photo even if user selects “normal”
Hi everyone, I observed a behavior with AirPrint from an iPhone and wanted to confirm if this is expected behavior from iOS. Scenario tested: File type: Photo Print-quality selected by the user: Normal Observation (from packet capture): When checking the PCAP for the request sent from the iPhone, the print-quality attribute is always sent as high, even though the user selected Normal in the UI. Question: Is this an expected behavior in iOS/AirPrint where photos are always sent with print-quality=high regardless of the user-selected print quality? Or could this be a bug?
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0
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59
Activity
2w
Kext loads well after launchd and early os_log entries rarely appear in unified log
Is there a way to ensure a kernel extension in the Auxiliary Kernel Collection loads (and runs its start routines) before launchd? I'm emitting logs via os_log_t created with an os_log_create (custom subsystem/category) in both my KMOD's start function and the IOService::start() function. Those messages-- which both say "I've been run"-- inconsistently show up in log show --predicate 'subsystem == "com.bluefalconhd.pandora"' --last boot, which makes me think they are running very early. However, I also record timestamps (using mach_absolute_time, etc.) and expose them to user space through an IOExternalMethod. The results (for the most recent boot): hayes@fortis Pandora/tests main % build/pdtest Pandora Metadata: kmod_start_time: Time: 2025-07-22 14:11:32.233 Mach time: 245612546 Nanos since boot: 10233856083 (10.23 seconds) io_service_start_time: Time: 2025-07-22 14:11:32.233 Mach time: 245613641 Nanos since boot: 10233901708 (10.23 seconds) user_client_init_time: Time: 2025-07-22 14:21:42.561 Mach time: 14893478355 Nanos since boot: 620561598125 (620.56 seconds) hayes@fortis Pandora/tests main % ps -p 1 -o lstart= Tue Jul 22 14:11:27 2025 Everything in the kernel extension appears to be loading after launchd (PID 1) starts. Also, the kext isn't doing anything crazy which could cause that kind of delay. For reference, here's the Info.plist: <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd"> <plist version="1.0"> <dict> <key>CFBundleExecutable</key> <string>Pandora</string> <key>CFBundleIdentifier</key> <string>com.bluefalconhd.Pandora</string> <key>CFBundleName</key> <string>Pandora</string> <key>CFBundlePackageType</key> <string>KEXT</string> <key>CFBundleVersion</key> <string>1.0.7</string> <key>IOKitPersonalities</key> <dict> <key>Pandora</key> <dict> <key>CFBundleIdentifier</key> <string>com.bluefalconhd.Pandora</string> <key>IOClass</key> <string>Pandora</string> <key>IOMatchCategory</key> <string>Pandora</string> <key>IOProviderClass</key> <string>IOResources</string> <key>IOResourceMatch</key> <string>IOKit</string> <key>IOUserClientClass</key> <string>PandoraUserClient</string> </dict> </dict> <key>OSBundleLibraries</key> <dict> <key>com.apple.kpi.dsep</key> <string>24.2.0</string> <key>com.apple.kpi.iokit</key> <string>24.2.0</string> <key>com.apple.kpi.libkern</key> <string>24.2.0</string> <key>com.apple.kpi.mach</key> <string>24.2.0</string> </dict> </dict> </plist> My questions are: A. Why don't the early logs (from KMOD's start function and IOService::start) consistently appear in the unified log, while logs later in IOExternalMethods do? B. How can I force this kext to load earlier-- ideally before launchd? Thanks in advance for any guidance!
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186
Activity
Jul ’25
TestFlight problem
"Bu beta şu anda yeni testçileri kabul etmiyor" Lütfen bu hatayı düzeltin
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0
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175
Activity
Jun ’25
Unable to use integration features with Mac in a macOS 15.4 VM in Parallels Desktop
VirtIO provides macOS VM users on Intel with integrations like Shared Folders, Shared Clipboard or Drag and Drop files. After updating VM to macOS 15.4, the VirtIO is no longer available, and we see that the functionality listed above doesn't work. Please fix it.
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0
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0
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74
Activity
May ’25
Supported URL Schemes
Some Apple URL schemes are documented for third-party use. It’s fine to use those URL schemes for their intended purpose. Other Apple URL schemes are not officially documented. Their use is unsupported. If you rely on such implementation details, things might work, or they might not, and that state might change over time. IMPORTANT If you ship via the App Store, pay attention to clause 2.5.1 of the App Review Guidelines. The Apple URL scheme documentation is not always easy to find. I’m aware of the following: Apple URL Scheme Reference QA1924 Opening Keyboard Settings from a Keyboard Extension [This Q&A was retired years ago.] Preparing your app to be the default messaging app The doc comments for es_new_client in <EndpointSecurity/ESClient.h> Developer > Bug Reporting describes the applefeedback scheme Additionally, as questions about this most commonly crop up in the context of opening Settings (System Settings on macOS), I wanted to highlight the following: UIApplication.openSettingsURLString property (in Objective-C this is UIApplicationOpenSettingsURLString) UIApplication.openNotificationSettingsURLString property (in Objective-C this is UIApplicationOpenNotificationSettingsURLString) UIApplication.openDefaultApplicationsSettingsURLString property (in Objective-C this is UIApplicationOpenDefaultApplicationsSettingsURLString) AccessibilitySettings.openSettings(for:) method FIFinderSyncController.showExtensionManagementInterface() class method SMAppService.openSystemSettingsLoginItems() class method VSOpenTVProviderSettingsURLString global CXCallDirectoryManager.openSettings(completionHandler:) method SFSafariSettings.openExportBrowsingDataSettings() method SFSafariSettings.openExtensionsSettings(forIdentifiers:) method If your app needs to perform some action that’s not covered by the above, file an enhancement request for a supported way to do that. Make sure to describes your use case in detail. Share and Enjoy — Quinn “The Eskimo!” @ Developer Technical Support @ Apple let myEmail = "eskimo" + "1" + "@" + "apple.com" Revision History 2026-01-07 Added a reference to the SFSafariSettings methods. 2025-10-28 Added a reference to UIApplication.openDefaultApplicationsSettingsURLString. Made other minor editorial changes. 2025-04-21 Added a reference to CXCallDirectoryManager.openSettings(completionHandler:). 2024-10-25 Added a reference to UIApplication.openNotificationSettingsURLString and VSOpenTVProviderSettingsURLString. Added a link to Preparing your app to be the default messaging app. 2024-10-01 Added info about the applefeedback URL scheme. 2024-09-29 Added a reference to SMAppService.openSystemSettingsLoginItems(). 2024-09-27 Added a titbit for Finder Sync extension developers. Added an invitation to file feedback. 2024-08-05 First posted.
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2.3k
Activity
Jan ’26
先调用isEligibleForAgeFeatures,返回YES后,调用requestEligibility,不会弹出是否分享年龄框的提示
[MTAgeRangeService requestEligibility:^(BOOL eligible) { if (eligible) { //您应用程序的用户所在的地区,需要执行特定年龄相关义务 [MTAgeRangeService requestAgeRangeWithAgeGates:18 in:[ViewU getCurrentVC] completion:^(enum ARResponseType responseType, ARAgeRange * _Nullable ageRange, NSError * _Nullable error) { [weakself.ageRangeLoadingView dissmiss]; self->_ageRangeLoadingView = nil; if (responseType == ARResponseTypeSharing) { //用户同意并分享了年龄范围 if ([ageRange.lowerBound intValue] >= 18) { //满18岁可以注册 }else{ //不到18岁不能注册,提示一下 } }else{ //用户拒绝或者其他未知错误,需要提示 }else{ } } }] ; }else{ }];
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0
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172
Activity
Dec ’25
How does ageGates actually affect the returned age range?
I’m trying to fully understand the purpose of the ageGates parameter in the AgeRangeService.requestAgeRange API. The official documentation includes the following statement: “The system may return geo-specific age ranges that override your provided age gates based on the person’s location and applicable regulations. When geo-specific ranges are required, the returned age range reflects regulatory requirements rather than the bounds of your age gates.” Based on this, it seems that even if my app provides specific age thresholds through the ageGates parameter, the system may override those boundaries depending on regional laws or regulations, and return a completely different lowerBound / upperBound than what my age gates would suggest. My current understanding is: ageGates indicates the thresholds my app uses to define its internal feature tiers, but the actual age range returned by the OS is determined by legal or regional requirements (e.g., COPPA, GDPR-K, AADC, SB2420), meaning the returned age range may not align with the age ranges implied by my ageGates values. I’d like to confirm whether this interpretation is correct. Additionally, if different regions may produce different lowerBound / upperBound values due to regulatory requirements, then it seems that: developers shouldn’t rely on fixed age buckets, and instead must implement feature gating logic dynamically based on whatever age range the OS returns. So my questions are: Is my understanding correct that ageGates is simply a hint that describes my app’s tier thresholds, and the OS may override those boundaries to comply with local regulations? If lowerBound / upperBound can vary across regions, what is the recommended way for developers to design their feature-gating logic? Should we avoid hardcoded age buckets and instead build flexible logic that adapts to whatever range the OS returns? I’d appreciate clarification so I can design our age-based policies appropriately and in a regulation-compliant way.
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105
Activity
Dec ’25
How to debug a CoreSpotlight extension?
My CoreSpotlight extension seems to exceed the 6 MB memory limit. What’s the best way to debug this? I've tried to attach the debugger on the Simulator but the extension seems to be never launched when I trigger the reindex from Developer settings. Is this supposed to work? On device, I am able to attach the debugger. However, I can neither transfer the debug session to Instruments, nor display the memory graph. So I've no idea how the memory is used. Any recommendations how to move forward? Is there a way to temporarily disable the memory limit since even with LLDB attached, the extension is killed.
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193
Activity
Apr ’25
Apple Watch refuses to keep BLE connection while not in foreground
I have a standalone Apple Watch app that uses Bluetooth with the bluetooth-central background mode. It seems that in watchOS 26.2, once the system terminates the BLE connection after background allowance is exceeded, the app never regains background BLE capability, even after the user returns to the foreground and interacts with it. This contradicts the documentation and the WWDC22 “Get timely alerts from Bluetooth devices on watchOS” session, which state that background BLE connectivity should be restored when the user brings the app back to the foreground. Does anyone have any insight into this behavior?
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338
Activity
Dec ’25
No KDK has been released for any version of macOS 14.8.x, each has different XNU version, still no explanation.
macOS 14.8.2 is released (xnu-10063.141.1.707.11~1), no KDK for it either, or any other 14.8.x (14.8, 14.8.1, 14.8.2) macOS. Last KDK for macOS 14.x was released in July, for 14.7.7. Is there any explanation from Apple why?
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54
Activity
Nov ’25
False delete alarm when renaming a file
I use the code below to rename a file, it works ok, but then the system calls accommodatePresentedItemDeletion(completionHandler:) on a NSFilePresenter that presents the file, immediately after the call to presentedItemDidMove(to:) What am I doing wrong? NSFileCoordinator().coordinate(writingItemAt: oldURL, options: .forMoving, writingItemAt: newURL, options: [], error: &error) { (actualURL1, actualURL2) in do { coordinator.item(at: actualURL1, willMoveTo: actualURL2) try FileManager().moveItem(at: actualURL1, to: actualURL2) coordinator.item(at: actualURL1, didMoveTo: actualURL2) } catch {...} }
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123
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Nov ’25
Core OS Resources
General: DevForums subtopic: App & System Services > Core OS Core OS is a catch-all subtopic for low-level APIs that don’t fall into one of these more specific areas: Processes & Concurrency Resources Files and Storage Resources Networking Resources Network Extension Resources Security Resources Virtualization Resources Share and Enjoy — Quinn “The Eskimo!” @ Developer Technical Support @ Apple let myEmail = "eskimo" + "1" + "@" + "apple.com"
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652
Activity
Aug ’25
Unable to find AppShortcutProvider
Hello, I'm evaluating if it's worth to expose shortcuts from our app, it seems to be working fine on my machine - Apple Silicon, latest Tahoe beta, Xcode 26 beta. But if I compile the same code on our intel build agents which are running latest macOS 15 and Xcode 26 beta, once I install the bundle to /Applications on Tahoe I don't see any shortcuts. Only other difference is that CI build is signed with distribution DeveloperID certificate - I re-signed the build with my dev certificate and it has no effect. I found out that linkd is somehow involved in the discovery process and most relevant logs look like this: default (...) linkd Registry com.**** is not link enabled com.apple.appintents debug (...) linkd ApplicationService Created AppShortcutClient with bundleId: com.**** com.apple.appintents error (...) linkd AppService Unable to find AppShortcutProvider for com.**** com.apple.appintents Could you please advice where to look for the problem?
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165
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Jul ’25