Prioritize user privacy and data security in your app. Discuss best practices for data handling, user consent, and security measures to protect user information.

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SecPKCS12Import fails in Tahoe
We are using SecPKCS12Import C API in our application to import a self seigned public key certificate. We tried to run the application for the first time on Tahoe and it failed with OSStatus -26275 error. The release notes didn't mention any deprecation or change in the API as per https://developer.apple.com/documentation/macos-release-notes/macos-26-release-notes. Are we missing anything? There are no other changes done to our application.
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768
Sep ’25
Persistent Privacy Notification Issue with Screen & Audio Access on macOS 15+
Hello Apple Developer Community, We have been experiencing a persistent notification issue in our application, Flowace, after updating to macOS 15 and above. The issue is affecting our customers but does not occur on our internal test machines. Issue Description When users share their screen using Flowace, they receive a repetitive system notification stating: "Flowace has accessed your screen and system audio XX times in the past 30 days. You can manage this in settings." This pop-up appears approximately every minute, even though screen sharing and audio access work correctly. This behavior was not present in macOS 15.1.1 or earlier versions and appears to be related to recent privacy enhancements in macOS. Impact on Users The frequent pop-ups disrupt workflows, making it difficult for users to focus while using screen-sharing features. No issues are detected in Privacy & Security Settings, where Flowace has the necessary permissions. The issue is not reproducible on our internal test machines, making troubleshooting difficult. Our application is enterprise level and works all the time, so technically this pop only comes after a period of not using the app. Request for Assistance We would like to understand: Has anyone else encountered a similar issue in macOS 15+? Is there official Apple documentation explaining this new privacy behavior? Are there any interim fixes to suppress or manage these notifications? What are Apple's prospects regarding this feature in upcoming macOS updates? A demonstration of the issue can be seen in the following video: https://youtu.be/njA6mam_Bgw Any insights, workarounds, or recommendations would be highly appreciated! Thank you in advance for your help. Best, Anuj Patil Flowace Team
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89
Apr ’25
AASA not being fetched immediately upon app install
Hi Apple Devs, For our app, we utilize passkeys for account creation (not MFA). This is mainly for user privacy, as there is 0 PII associated with passkey account creation, but it additionally also satisfies the 4.8: Login Services requirement for the App Store. However, we're getting blocked in Apple Review. Because the AASA does not get fetched immediately upon app install, the reviewers are not able to create an account immediately via passkeys, and then they reject the build. I'm optimistic I can mitigate the above. But even if we pass Apple Review, this is a pretty catastrophic issue for user security and experience. There are reports that 5% of users cannot create passkeys immediately (https://developer.apple.com/forums/thread/756740). That is a nontrivial amount of users, and this large of an amount distorts how app developers design onboarding and authentication flows towards less secure experiences: App developers are incentivized to not require MFA setup on account creation because requiring it causes significant churn, which is bad for user security. If they continue with it anyways, for mitigation, developers are essentially forced to add in copy into their app saying something along the lines of "We have no ability to force Apple to fetch the config required to continue sign up, so try again in a few minutes, you'll just have to wait." You can't even implement a fallback method. There's no way to check if the AASA is available before launching the ASAuthorizationController so you can't mitigate a portion of users encountering an error!! Any app that wants to use the PRF extension to encrypt core functionality (again, good for user privacy) simply cannot exist because the app simply does not work for an unspecified amount of time for a nontrivial portion of users. It feels like a. Apple should provide a syscall API that we can call to force SWCD to verify the AASA or b. implement a config based on package name for the app store such that the installation will immediately include a verified AASA from Apple's CDN. Flicking the config on would require talking with Apple. If this existed, this entire class of error would go away. It feels pretty shocking that there isn't a mitigation in place for this already given that it incentivizes app developers to pursue strictly less secure and less private authentication practices.
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371
Aug ’25
Gathering required information for troubleshooting Private Email Relay with Sign in with Apple
Hi, Before I begin my investigation, I want to explain our code-level support process for issues related to Sign in with Apple—as the issue you’re reporting may be the result of any of the following: An error in your app or web service request. A configuration issue in your Developer Account. An internal issue in the operation system or Apple ID servers. To ensure the issue is not caused by an error within your Private Email Replay configuration, please review Configuring your environment for Sign in with Apple to learn more about registering your email sources and authenticated domains. To prevent sending sensitive message details in plain text, you should create a report in Feedback Assistant to share the details requested below. Additionally, if I determine the error is caused by an internal issue in the operating system or Apple ID servers, the appropriate engineering teams have access to the same information and can communicate with you directly for more information, if needed. Please follow the instructions below to submit your feedback. Gathering required information for troubleshooting Private Email Relay with Sign in with Apple For issues occurring with your email delivery, ensure your feedback contains the following information: the primary App ID and Services ID the user’s Apple ID and/or email address the email message headers the Private Email Relay Service or Hide My Email message delivery failure, and SMTP error codes Submitting your feedback Before you submit to Feedback Assistant, please confirm the requested information above is included in your feedback. Failure to provide the requested information will only delay my investigation into the reported issue within your Sign in with Apple client. After your submission to Feedback Assistant is complete, please respond in your existing Developer Forums post with the Feedback ID. Once received, I can begin my investigation and determine if this issue is caused by an error within your client, a configuration issue within your developer account, or an underlying system bug. Cheers, Paris X Pinkney |  WWDR | DTS Engineer
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1.3k
Sep ’25
Implementing Script Attachment in a Sandboxed App
Script attachment enables advanced users to create powerful workflows that start in your app. NSUserScriptTask lets you implement script attachment even if your app is sandboxed. This post explains how to set that up. IMPORTANT Most sandboxed apps are sandboxed because they ship on the Mac App Store [1]. While I don’t work for App Review, and thus can’t make definitive statements on their behalf, I want to be clear that NSUserScriptTask is intended to be used to implement script attachment, not as a general-purpose sandbox bypass mechanism. If you have questions or comments, please put them in a new thread. Place it in the Privacy & Security > General subtopic, and tag it with App Sandbox. Share and Enjoy — Quinn “The Eskimo!” @ Developer Technical Support @ Apple let myEmail = "eskimo" + "1" + "@" + "apple.com" [1] Most but not all. There are good reasons to sandbox your app even if you distribute it directly. See The Case for Sandboxing a Directly Distributed App. Implementing Script Attachment in a Sandboxed App Some apps support script attachment, that is, they allow a user to configure the app to run a script when a particular event occurs. For example: A productivity app might let a user automate repetitive tasks by configuring a toolbar button to run a script. A mail client might let a user add a script that processes incoming mail. When adding script attachment to your app, consider whether your scripting mechanism is internal or external: An internal script is one that only affects the state of the app. A user script is one that operates as the user, that is, it can change the state of other apps or the system as a whole. Supporting user scripts in a sandboxed app is a conundrum. The App Sandbox prevents your app from changing the state of other apps, but that’s exactly what your app needs to do to support user scripts. NSUserScriptTask resolves this conundrum. Use it to run scripts that the user has placed in your app’s Script folder. Because these scripts were specifically installed by the user, their presence indicates user intent and the system runs them outside of your app’s sandbox. Provide easy access to your app’s Script folder Your application’s Scripts folder is hidden within ~/Library. To make it easier for the user to add scripts, add a button or menu item that uses NSWorkspace to show it in the Finder: let scriptsDir = try FileManager.default.url(for: .applicationScriptsDirectory, in: .userDomainMask, appropriateFor: nil, create: true) NSWorkspace.shared.activateFileViewerSelecting([scriptsDir]) Enumerate the available scripts To show a list of scripts to the user, enumerate the Scripts folder: let scriptsDir = try FileManager.default.url(for: .applicationScriptsDirectory, in: .userDomainMask, appropriateFor: nil, create: true) let scriptURLs = try FileManager.default.contentsOfDirectory(at: scriptsDir, includingPropertiesForKeys: [.localizedNameKey]) let scriptNames = try scriptURLs.map { url in return try url.resourceValues(forKeys: [.localizedNameKey]).localizedName! } This uses .localizedNameKey to get the name to display to the user. This takes care of various edge cases, for example, it removes the file name extension if it’s hidden. Run a script To run a script, instantiate an NSUserScriptTask object and call its execute() method: let script = try NSUserScriptTask(url: url) try await script.execute() Run a script with arguments NSUserScriptTask has three subclasses that support additional functionality depending on the type of the script. Use the NSUserUnixTask subsclass to run a Unix script and: Supply command-line arguments. Connect pipes to stdin, stdout, and stderr. Get the termination status. Use the NSUserAppleScriptTask subclass to run an AppleScript, executing either the run handler or a custom Apple event. Use the NSUserAutomatorTask subclass to run an Automator workflow, supplying an optional input. To determine what type of script you have, try casting it to each of the subclasses: let script: NSUserScriptTask = … switch script { case let script as NSUserUnixTask: … use Unix-specific functionality … case let script as NSUserAppleScriptTask: … use AppleScript-specific functionality … case let script as NSUserAutomatorTask: … use Automatic-specific functionality … default: … use generic functionality … }
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896
Aug ’25
App Groups: macOS vs iOS: Working Towards Harmony
I regularly see folks confused by the difference in behaviour of app groups between macOS and iOS. There have been substantial changes in this space recently. While much of this is now covered in the official docs (r. 92322409), I’ve updated this post to go into all the gory details. If you have questions or comments, start a new thread with the details. Put it in the App & System Services > Core OS topic area and tag it with Code Signing and Entitlements. Oh, and if your question is about app group containers, also include Files and Storage. Share and Enjoy — Quinn “The Eskimo!” @ Developer Technical Support @ Apple let myEmail = "eskimo" + "1" + "@" + "apple.com" App Groups: macOS vs iOS: Working Towards Harmony There are two styles of app group ID: iOS-style app group IDs start with group., for example, group.eskimo1.test. macOS-style app group IDs start with your Team ID, for example, SKMME9E2Y8.eskimo1.test. This difference has been the source of numerous weird problems over the years. Starting in Feb 2025, iOS-style app group IDs are fully supported on macOS for all product types [1]. If you’re writing new code that uses app groups, use an iOS-style app group ID. If you have existing code that uses a macOS-style app group ID, consider how you might transition to the iOS style. IMPORTANT The Feb 2025 changes aren’t tied to an OS release but rather to a Developer website update. For more on this, see Feb 2025 Changes, below. [1] If your product is a standalone executable, like a daemon or agent, wrap it in an app-like structure, as explained in Signing a daemon with a restricted entitlement. iOS-Style App Group IDs An iOS-style app group ID has the following features: It starts with the group. prefix, for example, group.eskimo1.test. You allocate it on the Developer website. This assigns the app group ID to your team. You then claim access to it by listing it in the App Groups entitlement (com.apple.security.application-groups) entitlement. That claim must be authorised by a provisioning profile [1]. The Developer website will only let you include your team’s app group IDs in your profile. For more background on provisioning profiles, see TN3125 Inside Code Signing: Provisioning Profiles. iOS-style app group IDs originated on iOS with iOS 3.0. They’ve always been supported on iOS’s child platforms (iPadOS, tvOS, visionOS, and watchOS). On the Mac: They’ve been supported by Mac Catalyst since that technology was introduced. Likewise for iOS Apps on Mac. Starting in Feb 2025, they’re supported for other Mac products. [1] Strictly speaking macOS does not require that, but if your claim is not authorised by a profile then you might run into other problems. See Entitlements-Validated Flag, below. macOS-Style App Group IDs A macOS-style app group ID has the following features: It should start with your Team ID [1], for example, SKMME9E2Y8.eskimo1.test. It can’t be explicitly allocated on the Developer website. Code that isn’t sandboxed doesn’t need to claim the app group ID in the App Groups entitlement. [2] To use an app group, claim the app group ID in the App Groups entitlement. The App Groups entitlement is not restricted on macOS, meaning that this claim doesn’t need to be authorised by a provisioning profile [3]. However, if you claim an app group ID that’s not authorised in some way, you might run into problems. More on that later in this post. If you submit an app to the Mac App Store, the submission process checks that your app group IDs make sense, that is, they either start with your Team ID (macOS style) or are assigned to your team (iOS style). [1] This is “should” because, historically, macOS has not actually required it. However, that’s now changing, with things like app group container protection. [2] This was true prior to macOS 15. It may still technically be true in macOS 15 and later, but the most important thing, access to the app group container, requires the entitlement because of app group container protection. [3] Technically it’s a validation-required entitlement, something that we’ll come back to in the Entitlements-Validated Flag section. Feb 2025 Changes On 21 Feb 2025 we rolled out a change to the Developer website that completes the support for iOS-style app group IDs on the Mac. Specifically, it’s now possible to create a Mac provisioning profile that authorises the use of an iOS-style app group ID. Note This change doesn’t affect Mac Catalyst or iOS Apps on Mac, which have always been able to use iOS-style app group IDs on the Mac. Prior to this change it was possible to use an iOS-style app group ID on the Mac but that might result in some weird behaviour. Later sections of this post describe some of those problems. Of course, that information is now only of historical interest because, if you’re using an iOS-style app group, you can and should authorise that use with a provisioning profile. We also started seeding Xcode 16.3, which has since been release. This is aware of the Developer website change, and its Signing & Capabilities editor actively encourages you to use iOS-style app groups IDs in all products. Note This Xcode behaviour is the only option for iOS and its child platforms. With Xcode 16.3, it’s now the default for macOS as well. If you have existing project, enable this behaviour using the Register App Groups build setting. Finally, we updated a number of app group documentation pages, including App Groups entitlement and Configuring app groups. Crossing the Streams In some circumstances you might need to have a single app that accesses both an iOS- and a macOS-style app group. For example: You have a macOS app. You want to migrate to an iOS-style app group ID, perhaps because you want to share an app group container with a Mac Catalyst app. But you also need to access existing content in a container identified by a macOS-style app group ID. Historically this caused problems (FB16664827) but, as of Jun 2025, this is fully supported (r. 148552377). When the Developer website generates a Mac provisioning profile for an App ID with the App Groups capability, it automatically adds TEAM_ID.* to the list of app group IDs authorised by that profile (where TEAM_ID is your Team ID). This allows the app to claim access to every iOS-style app group ID associated with the App ID and any macOS-style app group IDs for that team. This helps in two circumstances: It avoids any Mac App Store Connect submission problems, because App Store Connect can see that the app’s profile authorises its use of all the it app group IDs it claims access to. Outside of App Store — for example, when you directly distribute an app using Developer ID signing — you no longer have to rely on macOS granting implicit access to macOS-style app group IDs. Rather, such access is explicitly authorised by your profile. That ensures that your entitlements remain validated, as discussed in the Entitlements-Validated Flag, below. A Historical Interlude These different styles of app group IDs have historical roots: On iOS, third-party apps have always used provisioning profiles, and thus the App Groups entitlement is restricted just like any other entitlement. On macOS, support for app groups was introduced before macOS had general support for provisioning profiles [1], and thus the App Groups entitlement is unrestricted. The unrestricted nature of this entitlement poses two problems. The first is accidental collisions. How do you prevent folks from accidentally using an app group ID that’s in use by some other developer? On iOS this is easy: The Developer website assigns each app group ID to a specific team, which guarantees uniqueness. macOS achieved a similar result by using the Team ID as a prefix. The second problem is malicious reuse. How do you prevent a Mac app from accessing the app group containers of some other team? Again, this isn’t an issue on iOS because the App Groups entitlement is restricted. On macOS the solution was for the Mac App Store to prevent you from publishing an app that used an app group ID that’s used by another team. However, this only works for Mac App Store apps. Directly distributed apps were free to access app group containers of any other app. That was considered acceptable back when the Mac App Store was first introduced. That’s no longer the case, which is why macOS 15 introduced app group container protection. See App Group Container Protection, below. [1] I’m specifically talking about provisioning profiles for directly distributed apps, that is, apps using Developer ID signing. Entitlements-Validated Flag The fact that the App Groups entitlement is unrestricted on macOS is, when you think about it, a little odd. The purpose of entitlements is to gate access to functionality. If an entitlement isn’t restricted, it’s not much of a gate! For most unrestricted entitlements that’s not a problem. Specifically, for both the App Sandbox and Hardened Runtime entitlements, those are things you opt in to, so macOS is happy to accept the entitlement at face value. After all, if you want to cheat you can just not opt in [1]. However, this isn’t the case for the App Groups entitlement, which actually gates access to functionality. Dealing with this requires macOS to walk a fine line between security and compatibility. Part of that solution is the entitlements-validated flag. When a process runs an executable, macOS checks its entitlements. There are two categories: Restricted entitlements must be authorised by a provisioning profile. If your process runs an executable that claims a restricted entitlement that’s not authorised by a profile, the system traps. Unrestricted entitlements don’t have to be authorised by a provisioning profile; they can be used by any code at any time. However, the App Groups entitlement is a special type of unrestricted entitlement called a validation-required entitlement. If a process runs an executable that claims a validation-required entitlement and that claim is not authorised by a profile, the system allows the process to continue running but clears its entitlements-validated flag. Some subsystems gate functionality on the entitlements-validated flag. For example, the data protection keychain uses entitlements as part of its access control model, but refuses to honour those entitlements if the entitlement-validated flag has been cleared. Note If you’re curious about this flag, use the procinfo subcommand of launchctl to view it. For example: % sudo launchctl procinfo `pgrep Test20230126` … code signing info = valid … entitlements validated … If the flag has been cleared, this line will be missing from the code signing info section. Historically this was a serious problem because it prevented you from creating an app that uses both app groups and the data protection keychain [2] (r. 104859788). Fortunately that’s no longer an issue because the Developer website now lets you include the App Groups entitlement in macOS provisioning profiles. [1] From the perspective of macOS checking entitlements at runtime. There are other checks: The App Sandbox is mandatory for Mac App Store apps, but that’s checked when you upload the app to App Store Connect. Directly distributed apps must be notarised to pass Gatekeeper, and the notary service requires that all executables enable the hardened runtime. [2] See TN3137 On Mac keychain APIs and implementations for more about the data protection keychain. App Groups and the Keychain The differences described above explain a historical oddity associated with keychain access. The Sharing access to keychain items among a collection of apps article says: Application groups When you collect related apps into an application group using the App Groups entitlement, they share access to a group container, and gain the ability to message each other in certain ways. You can use app group names as keychain access group names, without adding them to the Keychain Access Groups entitlement. On iOS this makes a lot of sense: The App Groups entitlement is a restricted entitlement on iOS. The Developer website assigns each iOS-style app group ID to a specific team, which guarantees uniqueness. The required group. prefix means that these keychain access groups can’t collide with other keychain access groups, which all start with an App ID prefix (there’s also Apple-only keychain access groups that start with other prefixes, like apple). However, this didn’t work on macOS [1] because the App Groups entitlement is unrestricted there. However, with the Feb 2025 changes it should now be possible to use an iOS-style app group ID as a keychain access group on macOS. Note I say “should” because I’ve not actually tried it (-: Keep in mind that standard keychain access groups are protected the same way on all platforms, using the restricted Keychain Access Groups entitlement (keychain-access-groups). [1] Except for Mac Catalyst apps and iOS Apps on Mac. Not Entirely Unsatisfied When you launch a Mac app that uses app groups you might see this log entry: type: error time: 10:41:35.858009+0000 process: taskgated-helper subsystem: com.apple.ManagedClient category: ProvisioningProfiles message: com.example.apple-samplecode.Test92322409: Unsatisfied entitlements: com.apple.security.application-groups Note The exact format of that log entry, and the circumstances under which it’s generated, varies by platform. On macOS 13.0.1 I was able to generate it by running a sandboxed app that claims a macOS-style app group ID in the App Groups entitlement and also claims some other restricted entitlement. This looks kinda worrying and can be the source of problems. It means that the App Groups entitlement claims an entitlement that’s not authorised by a provisioning profile. On iOS this would trap, but on macOS the system allows the process to continue running. It does, however, clear the entitlements-validate flag. See Entitlements-Validated Flag for an in-depth discussion of this. The easiest way to avoid this problem is to authorise your app group ID claims with a provisioning profile. If there’s some reason you can’t do that, watch out for potential problems with: The data protection keychain — See the discussion of that in the Entitlements-Validated Flag and App Groups and the Keychain sections, both above. App group container protection — See App Group Container Protection, below. App Group Container Protection macOS 15 introduced app group container protection. To access an app group container without user intervention: Claim access to the app group by listing its ID in the App Groups entitlement. Locate the container by calling the containerURL(forSecurityApplicationGroupIdentifier:) method. Ensure that at least one of the following criteria are met: Your app is deployed via the Mac App Store (A). Or via TestFlight when running on macOS 15.1 or later (B). Or the app group ID starts with your app’s Team ID (C). Or your app’s claim to the app group is authorised by a provisioning profile embedded in the app (D) [1]. If your app doesn’t follow these rules, the system prompts the user to approve its access to the container. If granted, that consent applies only for the duration of that app instance. For more on this, see: The System Integrity Protection section of the macOS Sequoia 15 Release Notes The System Integrity Protection section of the macOS Sequoia 15.1 Release Notes WWDC 2024 Session 10123 What’s new in privacy, starting at 12:23 The above criteria mean that you rarely run into the app group authorisation prompt. If you encounter a case where that happens, feel free to start a thread here on DevForums. See the top of this post for info on the topic and tags to use. Note Prior to the Feb 2025 change, things generally worked out fine when you app was deployed but you might’ve run into problems during development. That’s no longer the case. [1] This is what allows Mac Catalyst and iOS Apps on Mac to work. Revision History 2025-08-12 Added a reference to the Register App Groups build setting. 2025-07-28 Updated the Crossing the Streams section for the Jun 2025 change. Made other minor editorial changes. 2025-04-16 Rewrote the document now that iOS-style app group IDs are fully supported on the Mac. Changed the title from App Groups: macOS vs iOS: Fight! to App Groups: macOS vs iOS: Working Towards Harmony 2025-02-25 Fixed the Xcode version number mentioned in yesterday’s update. 2025-02-24 Added a quick update about the iOS-style app group IDs on macOS issue. 2024-11-05 Further clarified app group container protection. Reworked some other sections to account for this new reality. 2024-10-29 Clarified the points in App Group Container Protection. 2024-10-23 Fleshed out the discussion of app group container protection on macOS 15. 2024-09-04 Added information about app group container protection on macOS 15. 2023-01-31 Renamed the Not Entirely Unsatisfactory section to Not Entirely Unsatisfied. Updated it to describe the real impact of that log message. 2022-12-12 First posted.
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5.4k
Aug ’25
Sudden Increase of Hard Bounce with privaterelay emails
We have been sending emails through Sparkpost via Braze inc. to the Apple Private Relay users with "@privaterelay.appleid.com" starting from around June 20th or so. Upon August 9th 06:00 UTC, we have noticed a sudden increase of "Hard Bounce" for nearly 20,000 users using the Apple's private relay email address, rendering the email sending useless for these customers. We have been constantly been able to send them emails, including just before this timeframe (e.g. August 9th 03:00 UTC), so it was a very sudden purge of the user data that has been done without our consent. From a business perspective, this hurts a lot for the un-sendable users since we have no way of contacting them if not for the private address. We are desperate to know what has happened for these customers that has been "hard bounced". We are suspecting that it should be tied to the private email and the users primary email (or user data's) tie in the Apple server being gone, but not sure enough since there is no such documentation nor any way to acknowledge what has happened anywhere. We will provide any information possible for resolving. Thank you.
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319
Aug ’25
Detecting iOS screen sharing
Hello, Is there any way to detect if the iOS screen is currently being shared via FaceTime or iPhone Mirroring? Our application relies on this information to help ensure that users are not accessing it from one location while physically being in another.
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210
Jul ’25
Intermittent Failures Launching App from Universal Links using ASWebAuthenticationSession
I'm developing an iOS app that utilizes Universal Links and ASWebAuthenticationSession to deep-link from a website to the app itself. This implementation adheres to the recommendations outlined in RFC 8252, ensuring that the app opening the ASWebAuthenticationSession is the same app that is launched via the Universal Link. Problem:  While most users can successfully launch the app via Universal Links,a few percent of users experience instances where the app fails to launch, and the user is redirected to the browser. What I've Tried:  ASWebAuthenticationSession Configuration: I've double-checked the configuration of callbackURLScheme and presentationContextProvider.  Universal Links: Verified the apple-app-site-association file and associated domains entitlement.  Network Conditions: Tested on various network environments (Wi-Fi, cellular) and devices. Questions:  What are the potential causes for this behavior?  Has anyone else encountered a similar issue and found a solution?  Are there any debugging techniques or ways to generate more detailed logs? I haven't been able to determine which device or OS version is causing this problem. Thank you.
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1.1k
Apr ’25
App transfer- get transfer {"error":"invalid_request"}
Migrating APP and users, obtaining the user's transfer_sub, an exception occurred: {"error":"invalid_request"} `POST /auth/usermigrationinfo HTTP/1.1 Host: appleid.apple.com Content-Type: application/x-www-form-urlencoded Authorization: Bearer {access_token} sub={sub}&target={recipient_team_id}&client_id={client_id}&client_secret={client_secret} The specific request is as follows: 15:56:20.858 AppleService - --> POST https://appleid.apple.com/auth/usermigrationinfo 15:56:20.858 AppleService - Content-Type: application/x-www-form-urlencoded 15:56:20.858 AppleService - Content-Length: 395 15:56:20.858 AppleService - Authorization: Bearer a56a8828048af48c0871e73b55d8910aa.0.rzvs.96uUcy1KBqo34Kj8qrPb4w 15:56:20.858 AppleService - 15:56:20.858 AppleService - sub=001315.1535dbadc15b472987acdf634719a06a.0600&target=WLN67KBBV8&client_id=com.hawatalk.live&client_secret=eyJraWQiOiIzODg5U1ZXNDM5IiwiYWxnIjoiRVMyNTYifQ.eyJpc3MiOiJRMzlUU1BHMjk3IiwiaWF0IjoxNzU1MDcxNzc5LCJleHAiOjE3NTUwNzUzNzksImF1ZCI6Imh0dHBzOi8vYXBwbGVpZC5hcHBsZS5jb20iLCJzdWIiOiJjb20uaGF3YXRhbGsubGl2ZSJ9.8i9RYIcepuIiEqOMu1OOAlmmjnB84AJueel21gNapiNa9pr3498Zkj8J5MUIzvvnvsvUJkKQjp_VvnsG_IIrTA 15:56:20.859 AppleService - --> END POST (395-byte body) 15:56:21.675 AppleService - <-- 400 Bad Request https://appleid.apple.com/auth/usermigrationinfo(816ms) 15:56:21.675 AppleService - Server: Apple 15:56:21.675 AppleService - Date: Wed, 13 Aug 2025 07:56:22 GMT 15:56:21.675 AppleService - Content-Type: application/json;charset=UTF-8 15:56:21.675 AppleService - Content-Length: 27 15:56:21.675 AppleService - Connection: keep-alive 15:56:21.675 AppleService - Pragma: no-cache 15:56:21.675 AppleService - Cache-Control: no-store 15:56:21.676 AppleService - 15:56:21.676 AppleService - {"error":"invalid_request"} 15:56:21.676 AppleService - <-- END HTTP (27-byte body) ` Current Team ID: Q39TSPG297 Recipient Team ID: WLN67KBBV8 CLIENT_ID: com.hawatalk.live
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176
Aug ’25
Conditional create on iPhone + Safari + Passwords violates the WebAuthn spec
WebAuthn Level 3 § 5.1.3 Step 22 Item 4 states the steps a user agent MUST follow when "conditional" mediation is used in conjunction with required user verification: Let userVerification be the effective user verification requirement for credential creation, a Boolean value, as follows. If pkOptions.authenticatorSelection.userVerification is set to required If options.mediation is set to conditional and user verification cannot be collected during the ceremony, throw a ConstraintError DOMException. Let userVerification be true. On my iPhone 15 Pro Max running iOS 18.5, Safari + Passwords does not exhibit this behavior; instead an error is not reported and user verification is not performed (i.e., the UV bit is 0). Per the spec this results in a registration ceremony failure on the server which is made all the more "annoying" since the credential was created in Passwords forcing a user to then delete the credential. : If the Relying Party requires user verification for this registration, verify that the UV bit of the flags in authData is set. In contrast when I use Google Password Manager + Chrome on a Samsung Galaxy S24 running Android 15, user verification is enforced and the UV bit is 1. Either the UV bit should be 1 after enforcing user verification or an error should be thrown since user verification cannot be performed.
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502
Jul ’25
DeviceCheck - Device Validation Endpoint not working
We have been having very high response times in device check device validation service (https://developer.apple.com/documentation/devicecheck/accessing-and-modifying-per-device-data#Create-the-payload-for-a-device-validation-request) since 17 July at 19:10hs GMT. The service information page says the service was running in green status but that isn't the case and we currenly have stop consuming it. Is it being looked at? Are you aware of this issue? Can you give us an estimate of when it should be working correctly?
1
0
788
Jul ’25
Import PKCS#12 into macOS login keychain or system keychain
Hello. I want to do the following and need your help. I want to import a certificate (pkcs#12) into my macOS keychain with a setting that prohibits exporting the certificate. I want to import the certificate (pkcs#12) into my login keychain or system keychain. I was able to achieve [1] with the help of the following threads, but have the following problems. https://developer.apple.com/forums/thread/677314?answerId=824644022#824644022 how to import into login keychain or system keychain How to achieve this without using the deprecated API To import into the login keychain, I could use the “SecKeychainCopyDefault” function instead of the “SecKeychainCopySearchList” function, However, both of these functions were deprecated APIs. https://developer.apple.com/documentation/security/seckeychaincopysearchlist(_:) https://developer.apple.com/documentation/security/seckeychaincopydefault(_:) I checked the following URL and it seems that using the SecItem API is correct, but I could not figure out how to use it. https://developer.apple.com/documentation/technotes/tn3137-on-mac-keychains Is there any way to import them into the login keychain or system keychain without using these deprecated APIs?
4
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504
Feb ’25
App Sandbox Resources
General: Forums subtopic: Privacy & Security > General Forums tag: App Sandbox App Sandbox documentation App Sandbox Design Guide documentation — This is no longer available from Apple. There’s still some info in there that isn’t covered by the current docs but, with the latest updates, it’s pretty minimal (r. 110052019). Still, if you’re curious, you can consult an old copy [1]. App Sandbox Temporary Exception Entitlements archived documentation — To better understand the role of temporary exception entitlements, see this post. Embedding a command-line tool in a sandboxed app documentation Discovering and diagnosing App Sandbox violations (replaces the Viewing Sandbox Violation Reports forums post) Resolving App Sandbox Inheritance Problems forums post The Case for Sandboxing a Directly Distributed App forums post Implementing Script Attachment in a Sandboxed App forums post Share and Enjoy — Quinn “The Eskimo!” @ Developer Technical Support @ Apple let myEmail = "eskimo" + "1" + "@" + "apple.com" [1] For example, this one archived by the Wayback Machine.
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0
2.8k
Jul ’25
ASCredentialProviderExtensionContext completeRequestWithTextToInsert:completionHandler: sometimes fails to return text
completeRequestWithTextToInsert is used to return text into an arbitrary textfield via the context menu AutoFill/Passwords from a 3rd party password manager (or presumably the Passwords App) in iOS 18. While testing this feature in the debugger, it would often fail on the first invocation. It also appears to happen intermittently in the released app extension. Subsequent testing using the Passwords App shows it too may fail to return a value. I have confirmed this behaviour is repeatable with the Passwords App on an iPhone running iOS 18.3.1 Reboot the iPhone. Show the App Library, and right click Autofill. Select Passwords Select Passwords (App) Select a password. Nothing will be inserted (intermittently). Feedback assistant report: FB16788563
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384
Mar ’25
Sign in with Apple ends unexpectedly with code 1001
We're integrating Sign in with Apple into our iOS app The Apple ID login UI appears correctly on real devices, but after tapping Continue, the system immediately stops and shows code 1001. This issue happens across multiple devices and Apple ID accounts, even with no prior login history. We’ve confirmed the following Sign in with Apple is enabled in both Developer Portal and Xcode Capabilities Automatic signing and provisioning are set correctly Device is signed into iCloud and system time is synced Performed clean build, app reinstall, and other standard debugging steps We suspect that the sign in handshake process may not be completing properly due to some kind of account or server-side restriction, and we’d appreciate any insights into this behavior.
0
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150
Jun ’25
https://app-site-association.cdn-apple.com/a/v1/* 404 Not Found
% curl -v https://app-site-association.cdn-apple.com/a/v1/zfcs.bankts.cn Host app-site-association.cdn-apple.com:443 was resolved. IPv6: (none) IPv4: 218.92.226.151, 119.101.148.193, 218.92.226.6, 115.152.217.3 Trying 218.92.226.151:443... Connected to app-site-association.cdn-apple.com (218.92.226.151) port 443 ALPN: curl offers h2,http/1.1 (304) (OUT), TLS handshake, Client hello (1): CAfile: /etc/ssl/cert.pem CApath: none (304) (IN), TLS handshake, Server hello (2): (304) (IN), TLS handshake, Unknown (8): (304) (IN), TLS handshake, Certificate (11): (304) (IN), TLS handshake, CERT verify (15): (304) (IN), TLS handshake, Finished (20): (304) (OUT), TLS handshake, Finished (20): SSL connection using TLSv1.3 / AEAD-AES256-GCM-SHA384 / [blank] / UNDEF ALPN: server accepted http/1.1 Server certificate: subject: C=US; ST=California; O=Apple Inc.; CN=app-site-association.cdn-apple.com start date: Sep 25 13:58:08 2025 GMT expire date: Mar 31 17:44:25 2026 GMT subjectAltName: host "app-site-association.cdn-apple.com" matched cert's "app-site-association.cdn-apple.com" issuer: CN=Apple Public Server RSA CA 11 - G1; O=Apple Inc.; ST=California; C=US SSL certificate verify ok. using HTTP/1.x GET /a/v1/zfcs.bankts.cn HTTP/1.1 Host: app-site-association.cdn-apple.com User-Agent: curl/8.7.1 Accept: / Request completely sent off < HTTP/1.1 404 Not Found < Content-Type: text/plain; charset=utf-8 < Content-Length: 10 < Connection: keep-alive < Server: nginx < Date: Wed, 04 Feb 2026 02:26:00 GMT < Expires: Wed, 04 Feb 2026 02:26:10 GMT < Age: 24 < Apple-Failure-Details: {"cause":"context deadline exceeded (Client.Timeout exceeded while awaiting headers)"} < Apple-Failure-Reason: SWCERR00301 Timeout < Apple-From: https://zfcs.bankts.cn/.well-known/apple-app-site-association < Apple-Try-Direct: true < Vary: Accept-Encoding < Via: https/1.1 jptyo12-3p-pst-003.ts.apple.com (acdn/3.16363), http/1.1 jptyo12-3p-pac-043.ts.apple.com (acdn/3.16363), https/1.1 jptyo12-3p-pfe-002.ts.apple.com (acdn/3.16363) < X-Cache: MISS KS-CLOUD < CDNUUID: 736dc646-57fb-43c9-aa0d-eedad3a534f8-1154605242 < x-link-via: yancmp83:443;xmmp02:443;fzct321:443; < x-b2f-cs-cache: no-cache < X-Cache-Status: MISS from KS-CLOUD-FZ-CT-321-35 < X-Cache-Status: MISS from KS-CLOUD-XM-MP-02-16 < X-Cache-Status: MISS from KS-CLOUD-YANC-MP-83-15 < X-KSC-Request-ID: c4a640c815640ee93c263a357ee919d6 < CDN-Server: KSFTF < X-Cdn-Request-ID: c4a640c815640ee93c263a357ee919d6 < Not Found Connection #0 to host app-site-association.cdn-apple.com left intact
1
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113
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