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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Privacy & Security Resources
General: Forums topic: Privacy & Security Privacy Resources Security Resources Share and Enjoy — Quinn “The Eskimo!” @ Developer Technical Support @ Apple let myEmail = "eskimo" + "1" + "@" + "apple.com"
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497
Jul ’25
apple sign in error
I am asking about the apple Sign in implementation. ▫️ problems eas local build or test flight, I get a “Could not complete registration” message. When I check the console, I see the following error message. akd SRP authentication with server failed! Error: Error Domain=com.apple.AppleIDAuthSupport Code=2 UserInfo={NSDescription=<private>, Status=<private>} ▫️ Assumption ・Developed with Expo ・"expo-apple-authentication":"^7.2.4" ・Two apps are developed at the same time, using supabase, firebase, but both have the same error ・On Xcode, on app ids, apple sign in capability is turned on ・Service ids is set to domain, return url ・keys is created ・Internal test of testfligt is set to deliver
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74
Jun ’25
requestTrackingAuthorization stuck in .notDetermined
When developing and testing using my phone I got prompted for allowing app tracking. I later uploaded a build to TestFlight, deleted the old testing app and installed the TestFlight build. I am now stuck in an infinite loop of not getting prompted for allowing app tracking for the app. When entering the app settings the toggle for tracking never appears which leaves me not able to enter the app's content. My guess is that the prompt can only be shown once for the app bundle, but there has to be a way for me to get prompted again without changing the app bundle id. Help is appreciated since this app is scheduled to be published in a week.
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161
May ’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 &amp; 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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92
Apr ’25
How to undisplay `Private Access` in `Contacts Access` when i use `CNContactPickerViewController`?
In iOS 18, i use CNContactPickerViewController to access to Contacts (i know it is one-time access). After first pick up one contact, the Setting > Apps > my app > Contacts shows Private Access without any option to close it. Is there any way to close it and undisplay it ? I tried to uninstall and reinstall my app, but it didn't work.
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364
Apr ’25
[Resolved] Sign in with Apple Service Outage: Wednesday, June 18, 2025 - Monday, June 23, 2025
On Wednesday, June 18, 2025, Sign in with Apple was impacted by a configuration issue which affected some developer accounts that created new app or Services ID configurations, or edited existing configurations, resulting in the following errors: invalid_client response error returned by the authentication, token validation/revocation, and user migration requests "Sign Up Not Completed" (or equivalent) error presented from the Authentication Services framework. On Monday, June 23, 2025, this issue was resolved. Please retry the Sign in with Apple flows in your Sign in with Apple enabled apps and websites to confirm your developer account configuration has been fixed. Please let us know if you can still reproduce this issue with your developer account. If so, follow the steps outlined in the post below: Gathering required information for troubleshooting Sign in with Apple authorization and token requests https://developer.apple.com/forums/thread/762831 Finally, reply (not comment) with your Feedback ID on either of the posts below: https://developer.apple.com/forums/thread/789011 https://developer.apple.com/forums/thread/789132 Cheers, Paris X Pinkney |  WWDR | DTS Engineer
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370
Jun ’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 &amp; Security &gt; 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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959
Aug ’25
ASWebAuthenticationSession crash after window closes on macOS
I'm trying to use ASWebAuthenticationSession on macOS but there is a weird crash and I have no idea what to do. It looks like there is a main thread check in a framework code that I have no control over. Any help would be appreciated. Thank you in advance. The stack of crashed thread has no symbols, even for supposedly my code in OAuthClient.authenticate. macOS 15.4.1 (24E263) Xcode Version 16.3 (16E140) Thread 11: EXC_BREAKPOINT (code=1, subcode=0x10039bb04) Thread 12 Queue : com.apple.NSXPCConnection.m-user.com.apple.SafariLaunchAgent (serial) #0 0x0000000100b17b04 in _dispatch_assert_queue_fail () #1 0x0000000100b52834 in dispatch_assert_queue$V2.cold.1 () #2 0x0000000100b17a88 in dispatch_assert_queue () #3 0x000000027db5f3e8 in swift_task_isCurrentExecutorWithFlagsImpl () #4 0x00000001022c7754 in closure #1 in closure #1 in OAuthClient.authenticate() () #5 0x00000001022d0c98 in thunk for @escaping @callee_guaranteed (@in_guaranteed URL?, @guaranteed Error?) -&gt; () () #6 0x00000001c7215a34 in __102-[ASWebAuthenticationSession initWithURL:callback:usingEphemeralSession:jitEnabled:completionHandler:]_block_invoke () #7 0x00000001c72163d0 in -[ASWebAuthenticationSession _endSessionWithCallbackURL:error:] () #8 0x00000001c7215fc0 in __43-[ASWebAuthenticationSession _startDryRun:]_block_invoke_2 () #9 0x0000000194e315f4 in __invoking___ () #10 0x0000000194e31484 in -[NSInvocation invoke] () #11 0x00000001960fd644 in __NSXPCCONNECTION_IS_CALLING_OUT_TO_REPLY_BLOCK__ () #12 0x00000001960fbe40 in -[NSXPCConnection _decodeAndInvokeReplyBlockWithEvent:sequence:replyInfo:] () #13 0x00000001960fb798 in __88-[NSXPCConnection _sendInvocation:orArguments:count:methodSignature:selector:withProxy:]_block_invoke_3 () #14 0x0000000194a6ef18 in _xpc_connection_reply_callout () #15 0x0000000194a6ee08 in _xpc_connection_call_reply_async () #16 0x0000000100b3130c in _dispatch_client_callout3_a () #17 0x0000000100b362f8 in _dispatch_mach_msg_async_reply_invoke () #18 0x0000000100b1d3a8 in _dispatch_lane_serial_drain () #19 0x0000000100b1e46c in _dispatch_lane_invoke () #20 0x0000000100b2bfbc in _dispatch_root_queue_drain_deferred_wlh () #21 0x0000000100b2b414 in _dispatch_workloop_worker_thread () #22 0x0000000100c0379c in _pthread_wqthread () My code: @MainActor func authenticate() async throws { let authURL = api.authorizationURL( scopes: scopes, state: state, redirectURI: redirectURI ) let authorizationCodeURL: URL = try await withUnsafeThrowingContinuation { c in let session = ASWebAuthenticationSession(url: authURL, callback: .customScheme(redirectScheme)) { url, error in guard let url = url else { c.resume(throwing: error ?? Error.unknownError("Failed to get authorization code")) return } c.resume(returning: url) } session.presentationContextProvider = presentationContextProvider session.start() } let authorizationCode = try codeFromAuthorizationURL(authorizationCodeURL) (storedAccessToken, storedRefreshToken) = try await getTokens(authorizationCode: authorizationCode) } Here is disassembly of the crashed function. libdispatch.dylib`_dispatch_assert_queue_fail: 0x10067fa8c &lt;+0&gt;: pacibsp 0x10067fa90 &lt;+4&gt;: sub sp, sp, #0x50 0x10067fa94 &lt;+8&gt;: stp x20, x19, [sp, #0x30] 0x10067fa98 &lt;+12&gt;: stp x29, x30, [sp, #0x40] 0x10067fa9c &lt;+16&gt;: add x29, sp, #0x40 0x10067faa0 &lt;+20&gt;: adrp x8, 71 0x10067faa4 &lt;+24&gt;: add x8, x8, #0x951 ; "not " 0x10067faa8 &lt;+28&gt;: adrp x9, 70 0x10067faac &lt;+32&gt;: add x9, x9, #0x16b ; "" 0x10067fab0 &lt;+36&gt;: stur xzr, [x29, #-0x18] 0x10067fab4 &lt;+40&gt;: cmp w1, #0x0 0x10067fab8 &lt;+44&gt;: csel x8, x9, x8, ne 0x10067fabc &lt;+48&gt;: ldr x10, [x0, #0x48] 0x10067fac0 &lt;+52&gt;: cmp x10, #0x0 0x10067fac4 &lt;+56&gt;: csel x9, x9, x10, eq 0x10067fac8 &lt;+60&gt;: stp x9, x0, [sp, #0x10] 0x10067facc &lt;+64&gt;: adrp x9, 71 0x10067fad0 &lt;+68&gt;: add x9, x9, #0x920 ; "BUG IN CLIENT OF LIBDISPATCH: Assertion failed: " 0x10067fad4 &lt;+72&gt;: stp x9, x8, [sp] 0x10067fad8 &lt;+76&gt;: adrp x1, 71 0x10067fadc &lt;+80&gt;: add x1, x1, #0x8eb ; "%sBlock was %sexpected to execute on queue [%s (%p)]" 0x10067fae0 &lt;+84&gt;: sub x0, x29, #0x18 0x10067fae4 &lt;+88&gt;: bl 0x1006c258c ; symbol stub for: asprintf 0x10067fae8 &lt;+92&gt;: ldur x19, [x29, #-0x18] 0x10067faec &lt;+96&gt;: str x19, [sp] 0x10067faf0 &lt;+100&gt;: adrp x0, 71 0x10067faf4 &lt;+104&gt;: add x0, x0, #0x956 ; "%s" 0x10067faf8 &lt;+108&gt;: bl 0x1006b7b64 ; _dispatch_log 0x10067fafc &lt;+112&gt;: adrp x8, 108 0x10067fb00 &lt;+116&gt;: str x19, [x8, #0x2a8] -&gt; 0x10067fb04 &lt;+120&gt;: brk #0x1
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155
May ’25
Phone heating problem after update iOS 26.0 (23A5297m)
As I had mentioned earlier, I was facing two issues after the initial update, but I’m happy to inform you that both of those issues have now been resolved. However, after updating to iOS 26.0 (23A5297m), I’ve started experiencing a new issue related to overheating. Since yesterday, my iPhone has been getting extremely hot while charging. It also became very hot after clicking just a few photos. The same heating issue occurred again today during charging. This problem only started after the latest update. Kindly look into this issue and advise on how to resolve it.
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91
Jul ’25
Apple login returns undefined
Issue with passport-apple: req.user Returning Undefined Data & Callback URL Issue I am facing an issue with passport-apple where, after successful authentication, the callback function does not receive the expected user data. Instead, req.user contains undefined values, and there seems to be an issue with the callback URL handling. Steps to Reproduce I have configured passport-apple with the following strategy: passport.use( new AppleStrategy( { clientID: process.env.APPLE_CLIENT_ID, teamID: process.env.APPLE_TEAM_ID, keyID: process.env.APPLE_KEY_ID, privateKeyLocation: path.join(__dirname, 'Auth.p8'), callbackURL: process.env.APPLE_CALLBACK_URL, scope: ['name', 'email'], passReqToCallback: true }, async (req, accessToken, refreshToken, idToken, profile, done) => { try { const decoded = jwt.decode(idToken); const user = { id: decoded?.sub || null, email: decoded?.email || null, name: profile?.name?.firstName || 'Unknown' }; const userApp = await authController.handleAppleAuth(user.email, accessToken, refreshToken); done(null, userApp); } catch (error) { return done(error); } } ) ); Observed Behavior Apple login succeeds, and an existing user is found in the database. However, req.user contains undefined values after authentication. The callback URL does not seem to function correctly, leading to potential misrouting or incomplete authentication flow. Expected Behavior req.user should contain the authenticated user's ID, email, and name. The callback URL should properly handle the authentication response. Actual Behavior req.user contains undefined values instead of valid user data, and the callback URL handling seems to be incorrect. Log Output: { id: '001412.13cccc5062074c35833683f6f0bcf5f6.1212', email: 'xyz@somemail.com', name: 'Unknown' } user checking redirectionn [Function: next] 📍 Processing Apple callback 📍 Authentication successful for user: { id: undefined, email: undefined } { id: undefined, email: undefined, firstName: undefined, lastName: undefined, subscriptionStatus: undefined }
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116
Mar ’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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518
Jul ’25
signInWithAppleButton not respond
Hi, My app keeps getting rejected during App Review with the reason that the Sign in with Apple button is unresponsive. However, I have tested it extensively on: • A real iPad Pro (iPadOS 18.3.2) • Multiple Xcode simulators • Including an iPad Air 5th simulator (18.3.1) In all of these cases, the button works correctly. The reviewer mentioned they are using an iPad Air 5th running iPadOS 18.3.2, which I cannot find as a simulator in Xcode, nor do I have access to this exact device around me. I’m using standard SignInWithAppleButton code with no custom wrappers or UI layers on top. Here is the relevant snippet: GeometryReader { geometry in ZStack { Color.black.opacity(0.3) .ignoresSafeArea() .onTapGesture { prompt = "" showChat = false } VStack(alignment: .leading, spacing: 0){ switch purchaseManager.hasAISubscription { case 1: HStack{ } case 2: HStack{ } case 3: HStack{ } default: HStack{ } } Divider() ScrollView { VStack(alignment: .leading, spacing: 8) { ForEach(filteredChatHistory, id: \.id) { chat in } } Spacer() } .frame(maxHeight: geometry.size.height * 0.7) .defaultScrollAnchor(.bottom) .padding() Divider() HStack(){ if httpManager.isLoggedIn && purchaseManager.hasAISubscription > 0 { } } else if purchaseManager.hasAISubscription == 0{ } else{ Spacer() SignInWithAppleButton(.continue){ request in request.requestedScopes = [.email] } onCompletion: { result in switch result { case .success(let auth): switch auth.credential { case let appleCredential as ASAuthorizationAppleIDCredential: let userID = appleCredential.user saveToKeychain(userID, for: "com.xing-fu.aireader.apple.userid") if let identityTokenData = appleCredential.identityToken, let identityToken = String(data: identityTokenData, encoding: .utf8) { Task { //后端认证过,才算登录成功 await httpManager.loginWithApple(identityToken) } } break default: break } case .failure(let error): print("error") } } .frame(maxWidth: 350, maxHeight: 40) .padding() .cornerRadius(10) Spacer() } } } .overlay( // 边框 RoundedRectangle(cornerRadius: 10) .stroke(Color.g2, lineWidth: 4) ) .background(Color(UIColor.systemBackground)) .cornerRadius(10) // 圆角 .shadow(color: Color.black.opacity(0.1), radius: 5, x: 0, y: 5) .frame(width: geometry.size.width * 0.8) .onDisappear{ httpManager.alertMessage = nil } } }
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159
Mar ’25
Account security and passkeys
Could you tell me about account security and passkeys? Our service is considering implementing passkeys, and these questions are to understand how Apple protects accounts from third parties. ① Apple website states that two-factor authentication is mandatory for newly created Apple Accounts. When did this requirement come into effect? What are the conditions for users who do not have two-factor authentication enabled? ② Apple website mentions that a verification code may be required when signing into an Apple Account from a new device or browser. Is my understanding of the situations where a verification code is requested accurate, as listed below? Are there any other situations? Completely signing out of the Apple Account on that device. Erasing the device. Needing to change the password for security reasons. ③ If a user is already using a passkey on an Apple device, and then upgrades to a new device, will additional authentication, such as entering a PIN code, be required to use the passkey on the new device?
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142
2w
Outlook for Mac add-in - Passkeys
hello, My organization has an outlook add-in that requires auth into our platform. As Microsoft forces Auth on MacOS to use WKWebView https://learn.microsoft.com/en-us/office/dev/add-ins/concepts/browsers-used-by-office-web-add-ins, we are running into a situation that we cannot use passkeys as an auth method as we are unable to trigger WebAuthN flows. We’ve raised this in Microsoft side but they have deferred to Apple given WKWebView is Safari based. This is a big blocker for us to achieve a full passwordless future. Has anyone come across this situation? Thank you.
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354
Aug ’25
Errors with Attestation on App
We recently deployed Attestation on our application, and for a majority of the 40,000 users it works well. We have about six customers who are failing attestation. In digging through debug logs, we're seeing this error "iOS assertion verification failed. Unauthorized access attempted." We're assuming that the UUID is blocked somehow on Apple side but we're stumped as to why. We had a customer come in and we could look at the phone, and best we can tell it's just a generic phone with no jailbroken or any malicious apps. How can we determine if the UUID is blocked?
3
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215
May ’25
Mobile apps and consent dialogue when logging in
We are using ASWebAuthenticationSession with apps on IoS to achieve SSO between apps. The IdP for authentication (OIDC) is an on-premise and trusted enterprise IdP based on one of the leading products in the market. Our problem is that the user is prompted for every login (and logouts) with a consent dialogue box: “AppName” wants to use “internal domain-name” to Sign In This allows the app and website to share information about you. Cancel Continue” I have read in various places that Apple has a concept of “Trusted domains” where you can put an “Apple certified” static web-page on the IdP. This page needs to contain specific metadata that iOS can verify. Once a user logs in successfully a few times, and if the IdP is verified as trusted, subsequent logins would not prompt the consent screen. Question: I struggle to find Apple documentation on how to go about a process that ends with this “Apple certified web-page” on our IdP”. Anyone who has experience with this process, or who can point me in some direction to find related documentation?
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531
May ’25
iOS 26.1 iPhone 15 pro max 偶现冷启动,文件系统挂载失败?
冷启动后我们读文件,发现:"error_msg":"未能打开文件“FinishTasks.plist”,因为你没有查看它的权限。 是否有这些问题: 「iOS 26 iPhone 16,2 cold launch file access failure」) 核心内容:多名开发者反馈 iPhone 15 Pro(iOS 26.0/26.1)冷启动时读取 Documents 目录下的 plist 文件提示权限拒绝,切后台再切前台恢复,苹果员工回复「建议延迟文件操作至 applicationDidBecomeActive 后」。
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266
Dec ’25
No way => HTTP (400): {"error":"invalid_client"}
Hi everyone, I have followed all the Apple procedures, read the forums, and looked at various experiences of other users who had my problem, but I haven’t found a solution. On my site, I have added login with all the “big” providers, and Apple is the only one missing. I’ve tried everything, but when the user logs in and is authenticated, I get an error. In order, here’s what I receive: Received Apple code: cfbf091dd6... JWT generated correctly HTTP Error (400): {"error":"invalid_client"} I’ve read all sorts of things, including that you have to wait up to 48 hours for the Key to be enabled. Any ideas? I’ve read that this is a common problem, but I haven’t found a valid solution. Thanks in advance to anyone who can help me.
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92
Nov ’25