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New features for APNs token authentication now available
Team-scoped keys introduce the ability to restrict your token authentication keys to either development or production environments. Topic-specific keys in addition to environment isolation allow you to associate each key with a specific Bundle ID streamlining key management. For detailed instructions on accessing these features, read our updated documentation on establishing a token-based connection to APNs.
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Feb ’25
Help with getting info for an WIFI USER EXPERIENCE APP
Hi I’m working on an app Called Wiux ( already on Android ) but one of my clients has a company with all iPhones so I need to develop the app for iOS, but I’m facing A huge wall, it’s an proactive wifi user experience monitor for distributed networks and the idea is that the app its sending every minute info about connectivity RSSI, which network , if is 2,4ghz or 5ghz channel used and device usage cpu ram etc but I find that is no getRSSI ( and I really need that data ) but some aps like iWifi or WiFi probe has that data and it works I check the reads with a phisical probe and my app on android and values match. i think maybe with NEHotspotHelper I could get the data but I don’t know how to ask to use it or if exist a dependency for quality monitoring that allows me to access that thow o info. ( And probably in the near future I face the same problem with LTE ( that I’m also monitoring with the app on Android and I think is going to be a problem on iOS )
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Securing XPC Daemon Communication from Authorization Plugin
I'm working on securing communication between an Authorization Plugin and an XPC daemon, and I’d appreciate some guidance on best practices and troubleshooting. The current design which, I’ve implemented a custom Authorization Plugin for step-up authentication, which is loaded by Authorization Services at the loginwindow (inside SecurityAgent). This plugin acts as an XPC client and connects to a custom XPC daemon. Setup Details 1. XPC Daemon Runs as root (LaunchDaemon) Not sandboxed (my understanding is that root daemons typically don’t run sandboxed—please correct me if this is wrong) Mach service: com.roboInc.AuthXpcDaemon Bundle identifier: com.roboInc.OfflineAuthXpcDaemon 2. Authorization Plugin Bundle identifier: com.roboInc.AuthPlugin Loaded by SecurityAgent during login 3. Code Signing Both plugin and daemon are signed using a development certificate What I’m Trying to Achieve I want to secure the XPC communication so that: The daemon only accepts connections from trusted clients The plugin only connects to the legitimate daemon Communication is protected against unauthorized access The Issue I'm facing I attempted to validate code signatures using: SecRequirementCreateWithString SecCodeCopyGuestWithAttributes SecCodeCheckValidity However, validation consistently fails with: -67050 (errSecCSReqFailed) Could you please help here What is the recommended way to securely authenticate an Authorization Plugin (running inside SecurityAgent) to a privileged XPC daemon? Since the plugin runs inside SecurityAgent, how can the daemon reliably distinguish my plugin from other plugins? What is the correct approach to building a SecRequirement in this scenario? Any guidance, examples, or pointers would be greatly appreciated. Thanks in advance!
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Different transaction IDs for the same purchase between SKPaymentTransaction and receipt latest_receipt_info
Hello, I am investigating a case where two different transaction IDs appear to refer to the same purchase, and I would like clarification on whether this behavior is expected. Additional context StoreKit version: StoreKit 1 (SKPaymentTransaction) Environment: Production Product type: Auto-renewable subscription Transaction sources The values are obtained from the following APIs: transaction_id from SKPaymentTransaction https://developer.apple.com/documentation/storekit/skpaymentqueue receipt_data from the App Store receipt https://developer.apple.com/documentation/foundation/bundle/appstorereceipturl Observed behavior After an In-App Purchase completes, the app receives: a transaction_id from SKPaymentTransaction the corresponding receipt_data for the purchase When inspecting the receipt, the transaction_id inside latest_receipt_info differs from the transaction_id received directly from the purchase transaction. For clarity: A = transaction_id received from the purchase flow (SKPaymentTransaction) A' = transaction_id found in receipt_data.latest_receipt_info The two values are different, but they differ only by 1. Additional observation The original_transaction_id for A and A' is identical, which suggests that both transaction IDs belong to the same subscription purchase chain. Pattern observation on the ID difference We have observed that the difference between A and A' is consistently exactly 1 (i.e., A' = A + 1) across multiple transactions, not just a single case. This appears to be a reproducible pattern rather than a coincidence. This observation raises an additional question (Question 6 below). API verification When calling: GET /inApps/v1/transactions/{transactionId} Both A and A' return what appears to be the same purchase record. The response data is effectively identical except for the transactionId field. However, when calling: GET /inApps/v2/history/{transactionId} A does not appear in the transaction history only A' appears in the history response Questions If A does not appear in transaction history, where does this transaction ID originate from? Why does Get Transaction Info (/inApps/v1/transactions/{transactionId}) return a valid response for A even though it is not present in the transaction history? Why do A and A' both resolve to what appears to be the same purchase? In this situation, which transaction ID should be treated as the canonical transaction ID for server-side validation? Is this difference related to how StoreKit 1 (SKPaymentTransaction) and the App Store Server API represent transactions? Is the consistent off-by-one difference between the transaction_id from SKPaymentTransaction and the one recorded in latest_receipt_info an intentional behavior of StoreKit 1's internal transaction ID assignment? Specifically, we are wondering whether StoreKit 1 applies some form of internal offset when delivering the transaction ID to the client, while the App Store server records a different (adjacent) ID in the receipt. If so, is this documented anywhere? Note We are currently in the process of migrating to StoreKit 2, but this behavior was observed while investigating our existing StoreKit 1 implementation. Any clarification would help us better understand the correct transaction model during the migration.
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Product ID conflict for IAP across staging/production apps
I’m working on a Flutter application that implements subscriptions using in-app purchases (IAP). I currently have two apps under the same developer account: One for staging One for production In App A (staging), I successfully created a monthly subscription with the product ID: rc_1299_monthly However, when I try to create a subscription with the same product ID (rc_1299_monthly) in App B (production), I encounter the following error: "The Product ID you entered is already being used by another subscription." My understanding was that product IDs are scoped per app, but this error suggests there may be account-level constraints. Has anyone encountered this before? Is it required to use unique product IDs across all apps under the same account, or is there a recommended approach for handling staging vs production setups? Any clarification or best practices would be appreciated.
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Potential iOS26 regression on AASA file not download on app install
Original discussion pre iOS 26 Our app uses Auth0 with HTTPS callback, we've found the issue where AASA file is not ready immediately when app is initially launched, which is the exact issue from the above link. The issue seems mostly fixed on later versions on iOS 18, however, we are seeing some indications of a regression on iOS 26. Here's some measurement over the last week. | Platform | iOS 18 | iOS 26 | |---------------|----------|--------| | Adoption rate | 55% | 45% | | Issue seen | 1 | 5 | | Recover? | Yes | No | This only 1 iOS 18 instance was able to recover after 1 second after the first try, however, all iOS 26 instances were not able to recover in couple tens of seconds and less than 1 minute, the user eventually gave up. Is there a way to force app to update AASA file? Are there some iOS setting (like using a VPN) that could potentially downgrade the AASA fetch? Related Auth0 discussion: https://community.auth0.com/t/ios-application-not- recognizing-auth0-associated-domain/134847/27
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[FB21797091] Regression: Universal Links/AASA Fetching Fails for IDN on iOS 16+
Reference: FB21797091 / Related to thread 807695 Hello, I have already submitted a report regarding this issue via Feedback Assistant (FB21797091), but I would like to share the technical details here to seek further insights or potential workarounds. We are experiencing a technical regression where Universal Links and Shared Web Credentials fail to resolve for Internationalized Domain Names (IDN) specifically on iOS 16 and later. This issue appears to be identical to the one discussed in thread 807695 (https://developer.apple.com/forums/thread/807695). Technical Contrast: What works vs. What fails On the exact same app build and iOS 16+ devices, we observe a clear distinction: Standard ASCII Domain (onelink.me): Works perfectly. (Proves App ID and Entitlements are correct) Internal Development Domain (Standard ASCII): Works perfectly. (Proves our server-side AASA hosting and HTTPS configuration are correct) Japanese IDN Domain (xn--[punycode].com): Fails completely. (Status: "unspecified") Note: This IDN setup was last confirmed to work correctly on iOS 15 in April 2025. Currently, we are unable to install the app on iOS 15 devices for live comparison, but the regression starting from iOS 16 is consistent. This "Triple Proof" clearly isolates the issue: the failure is strictly tied to the swcd daemon's handling of IDN/Punycode domains. Validation & Diagnostics: Validation: Our Punycode domain passes all technical checks on the http://Branch.io AASA Validator (Valid HTTPS, valid JSON structure, and Content-Type: application/json). sysdiagnose: Running swcutil on affected iOS 16+ devices shows the status as "unspecified" for the IDN domain. Symptoms: Universal Links consistently open in Safari instead of the app, the Smart App Banner is not displayed, and Shared Web Credentials for AutoFill do not function. Request for Resolution: We request a fix for this regression in the swcd daemon. If this behavior is a specification for security reasons, please provide developers with a supported method or workaround to ensure IDN domains function correctly. We have sysdiagnose logs available for further investigation. Thank you.
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SwiftData ModelContext Pollution with Multiple ModelContainers and Schemas
I have two different VersionedSchema accessed via two different and distinct in-memory ModelContainers. However, both schemas have a model named Item. LocalSchema.Item and RemoteSchema.Item have slightly different properties. If I create and save RemoteSchema.Item in one context then I cannot create and save LocalSchema.Item in a different context due to missing origin property. enum LocalSchema: VersionedSchema { static var versionIdentifier: Schema.Version = .init(1, 0, 0) static var models: [any PersistentModel.Type] = [ Item.self ] @Model class Item { @Attribute(.unique) var title: String var created: Date var modified: Date init(title: String, created: Date, modified: Date) { self.title = title self.created = created self.modified = modified } } } enum RemoteSchema: VersionedSchema { static var versionIdentifier: Schema.Version = .init(1, 0, 0) static var models: [any PersistentModel.Type] = [ Item.self ] @Model class Item { var title: String var created: Date var modified: Date var origin: String init(title: String, created: Date, modified: Date, origin: String) { self.title = title self.created = created self.modified = modified self.origin = origin } } } In the above example, saving RemoteSchema.Item will cause LocalSchema.Item to fail. The error message I see is *** Terminating app due to uncaught exception 'NSUnknownKeyException', reason: '[<NSManagedObject 0xa120f3750> setValue:forUndefinedKey:]: the entity Item is not key value coding-compliant for the key "origin".' Test Code @Test func createLocalItemWithManualSave() async throws { let context = ModelContext(try localStore()) let item = LocalSchema.Item(title: "local", created: .now, modified: .now) context.insert(item) try context.save() } @Test func createRemoteItemWithManualSave() async throws { let context = ModelContext(try remoteStore()) let item = RemoteSchema.Item(title: "remote", created: .now, modified: .now, origin: "from space") context.insert(item) try context.save() } func localStore() throws -> ModelContainer { let schema = Schema(versionedSchema: LocalSchema.self) let config = ModelConfiguration("local", schema: schema, isStoredInMemoryOnly: true, allowsSave: true, cloudKitDatabase: .none) return try ModelContainer(for: schema, configurations: config) } func remoteStore() throws -> ModelContainer { let schema = Schema(versionedSchema: RemoteSchema.self) let config = ModelConfiguration("remote", schema: schema, isStoredInMemoryOnly: true, allowsSave: true, cloudKitDatabase: .none) return try ModelContainer(for: schema, configurations: config) } I have created FB22310365
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Matter OTA on TestNet: HomePod always replies "UpdateNotAvailable" (Device is already CSA Certified)
Hi Apple Team / Community, We are currently pulling our hair out over a TestNet OTA issue and could really use some help. Our Matter Door Lock (VID: 5424, PID: 513) has already obtained official CSA Certification, so we are 100% confident that our device firmware and OTA Requestor logic are completely solid. However, we simply cannot get Apple's TestNet to serve the update via HomePod. Here is exactly what is happening: Our device successfully sends a QueryImage command to the HomePod. The HomePod receives it, but immediately fires back a QueryImageResponse that essentially means "UpdateNotAvailable", forcing the device into an 86400-second sleep timeout. Here is what we have verified so far: Local OTA works perfectly: If we use Nordic's chip-ota-provider-app locally with the exact same .ota file, the BDX transfer triggers instantly and the device updates without a hitch. DCL details are 100% accurate: We published a brand new version (1.0.4 / 16778240) which is strictly higher than the device's current version (1.0.1 / 16777472). The otaFileSize (973839) and Base64 Checksum match the file perfectly. ZERO hits on our server: The OTA file is hosted on an AWS S3 direct link (SSL Grade A via SSL Labs, ATS compliant). We checked our server logs, and there hasn't been a single download attempt from any Apple IP addresses. Since our device is certified and local OTA works flawlessly, it strongly feels like Apple's TestNet backend either has a stuck/cached "invalid" state for our VID/PID (very similar to what was reported in CHIP GitHub Issue #29338), or the Apple backend crawler is failing to reach our URL for some internal reason. Could someone please check if there is a cached exception for VID: 5424 / PID: 513 on the TestNet backend? Any help or pointers would be hugely appreciated! Thanks in advance.
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How to create ControlWidget button that opens my App
Hi, I want to create a ControlWidget button that acts as a shortcut in the control center open a specific view within my app to show a badge. Problem: I can‘t get it to open my host app. I tried a custom myapp:// protocol - did not work, I tied AppIntent with the openAppWhenRun set to true - did not work and the strange thing is the debugger breakpoint in perform will only get triggered if this is set to false. OpenIntent did not work either even if I use a dummy swift app as host to try it out. What is the current supported way (iOS 18 and 26) to open your app when a static ControlWidget button is clicked, what could I have done wrong / am missing?
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Tap to Pay entitlement stuck in development for nearly 1.5 months – do I need to resubmit?
Hi everyone, we’ve been waiting since May 30 for our Tap to Pay on iPhone entitlement to be enabled for distribution, but it’s still only active for development (Case‑ID: 14485444). We submitted: A new video recorded from an external device showing the full checkout flow Updated merchant education using the ProximityReaderDiscovery.Topic.payment(.howToTap) API, as suggested by Apple The team initially said the education was compliant, then said it wasn’t. We fixed everything, sent the updated materials, and haven’t heard back in days. We can’t even upload the app to TestFlight because of this error: Profile doesn't include the com.apple.developer.proximity-reader.payment.acceptance entitlement It’s now been almost a month and a half, and this delay is becoming critical. It’s blocking both internal testing and our production release. We’d really appreciate clarity on: Do we need to submit another request via the form? Or is it enough to reply to the existing email thread? Also, are there any direct contacts or escalation paths we can use? Any help or guidance appreciated
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Screen Time APIs showing severe inconsistencies (DeviceActivity not firing + impossible usage data)
Hi everyone, I’m the developer of one sec, an app used by a large number of users globally to reduce time spent on social media and to build healthier digital habits. Because of this, we rely heavily on Apple’s Screen Time / DeviceActivity / FamilyControls, ManagedSettings APIs – and unfortunately, we’re seeing increasingly severe issues in production that directly impact hundreds of thousands of real iOS users. During the past years, we have been busy filing dozens of feedback requests for different Screen Time issues – and there has been no response from Apple at all. Developer Relations might be able to "confirm" that the bugs are present and that they ended up with the right team – but they are never addressed, neither are workarounds provided. Instead, the situation gets worse and worse. iOS 26 introduced a series of heavy regressions (which have been reported via Apple’s official bug report tool "Feedback Assistant" on iOS 26 beta 1 in June 2025 – and have not been addressed 10 Months later). This is very frustrating for us as developers, but also for our end-users who run into these issues every day. In the end this impacts our ability to build an amazing product and hurts revenue (which affects both us and Apple). 1. DeviceActivity thresholds are not firing at all This affects both: our app’s usage of the API and Apple’s own Screen Time limits Radars: FB22304617, FB20526837, FB15491936, FB12195437, FB15663329, FB18198691, FB18289475, FB19827144 2. Screen Time usage data is clearly corrupted Websites showing hundreds of hours per week Up to ~20 hours per day of usage reported for a single domain Radars: FB22304617, FB17777429, FB18464235 3. DeviceActivity thresholds reaching threshold immediately Newly introduced with iOS 26 Reported on iOS 26 beta 1 in June No response so far / no workaround DeviceActivity calls didReachThreshold immediately after creating the DeviceActivityEvent – instead of waiting till the defined threshold is actually reached. Radars: FB13696022, FB18351583, FB21320644, FB18927456, FB18061981 4. Randomly Randomizing ApplicationTokens From time to time, and without consistency, Screen Time suddenly provides new, random, unknown tokens to my app in the ShieldConfigurationDataSource and ShieldActionDelegate. This has been reported on many times before here on the dev forms, many many years back already: https://forums.developer.apple.com/forums/thread/756440 https://forums.developer.apple.com/forums/thread/758325 https://forums.developer.apple.com/forums/thread/758325?answerId=793267022#793267022 Radars: FB14082790 and FB18764644 5. Moving Tokens from one ManagedSettingsStore to Another Removing an ApplicationToken from one SettingsStore and then adding it to another while the target app remains in foreground leads to the re-use of the ShieldConfiguration. Which can be wrong in many scenarios. It is not possible to request a re-request of the ShieldConfiguration in that scenario. Radar: FB14237883 6. Unable to Open Parent App (one sec) from Shield Many times, when a target app is blocked by a shield, the user wants to perform some action (e.g. to unlock more time for the target app via an intervention). That means, that somehow I have to forward the user from a ShieldActionDelegate back into my target app. Unfortunately, there’s no API for that. Many apps on the App Store rely on private API to achieve that, but that’s too risky for a popular app like one sec. Radar: FB15079668 7. Unable to Open Target App from an ApplicationToken When a user has completed an intervention within one sec, and they indend to to continue to the target app, there is no way that one sec can open the target app just from the token alone. Sure, there are URL schemes, but that means the user has to manually assign URL schemes to each ApplicationToken. That is not a very user friendly process (and in many cases impossible, because not every app registers URL schemes). It would be better if there was a way that my app could open a target app directly from an ApplicationToken, e.g. via an AppIntent that can be run on a button press. This way, the selected apps would remain fully private while still offering advanced functionality: struct OpenTargetAppIntent: AppIntent, OpenAppFromApplicationTokenIntent { func perform() { return .result(openAppFromApplicationToken: applicationToken) } } Radar: FB15500695 Summary Thanks a lot for taking the time to read my feedback. If you have any questions, please feel free to reach out to me any time. I’m always happy to provide more details, logs, and steps to reproduce in my radars / feedback requests or in-person in Cupertino. It would be extremely helpful if someone from the Screen Time / DeviceActivity engineering team could: Take a look at the listed radars. Work on bug fixes and be transparent about when fixes will be shipped. Provide workarounds in the meantime. We genuinely want to build great, reliable experiences on top of Screen Time – but in its current state, it’s becoming very difficult to depend on. – Frederik
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macOS Tahoe 26.4 Beta 4: Rosetta deprecation warning not shown — bug or intended behavior?
According to the release notes for macOS Tahoe 26.4 beta, a warning dialog should appear when launching apps that require Rosetta 2, informing users that these apps will stop working in a future macOS release. However, on my MacBook Air M1 running Tahoe 26.4 Beta 4 (25E5233c), no such warning appears when launching Intel (x86_64) apps. Test case: VLC media player Downloaded from the official VLC website: https://www.videolan.org/vlc/ Selected the Intel 64-bit version (vlc-3.0.21-intel64.dmg) Copied VLC.app to /Applications Code signature verified: Identifier: org.videolan.vlc Format: Mach-O thin (x86_64) Team ID: 75GAHG3SZQ Timestamp: June 2024 Flags: hardened runtime Notarization: accepted (Notarized Developer ID) spctl --assess --verbose /Applications/VLC.app → accepted, source=Notarized Developer ID Launched VLC.app — no Rosetta deprecation warning appeared System log findings: The following entry was repeated many times in the system log: Sandbox: oahd-helper deny(1) file-read-data /usr/libexec/rosetta/oahd-helper This suggests that oahd-helper is being blocked by the Sandbox from reading its own binary, which may be preventing the warning dialog from appearing. My questions: Is this a known bug in Beta 4? Does the absence of a warning mean the app will continue to work in macOS 28 and beyond? Should I file a Feedback report for this? Any insights would be appreciated. Thank you. Environment: Device: MacBook Air 2020 M1 OS: macOS Tahoe 26.4 Beta 4 (25E5233c) Test app: VLC 3.0.21 Intel 64-bit (org.videolan.vlc, Team ID: 75GAHG3SZQ) Source: https://www.videolan.org/vlc/
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System-wide deadlock in removexattr from revisiond / APFS
System-wide deadlock in removexattr from revisiond / APFS We're experiencing a deadlock on certains systems when our software is installed, which is causing side effects in our process (and likely others) such as blocked queues and increased memory usage. According to the spindump, revisiond appears to be holding an exclusive lock within the kernel. Process: revisiond [426] UUID: 5E9B9E04-984B-31AD-A4FF-A1A90B7D53A1 Path: /System/Library/PrivateFrameworks/GenerationalStorage.framework/Versions/A/Support/revisiond Codesigning ID: com.apple.revisiond Shared Cache: 25AE5A2A-FE2A-3998-8D4E-F3C5C6E6CEB6 slid base address 0x189834000, slide 0x9834000 (System Primary) Architecture: arm64e Parent: launchd [1] UID: 0 Sudden Term: Tracked Memory Limit: 50MB Jetsam Priority: 40 Footprint: 6225 KB Time Since Fork: 1740319s Num samples: 940 (1-940) Num threads: 5 Note: 1 idle work queue thread omitted [...] Thread 0xc0616d 940 samples (1-940) priority 46 (base 4) last ran 241692.754s ago 940 start_wqthread + 8 (libsystem_pthread.dylib + 7068) [0x189d0ab9c] 940 _pthread_wqthread + 292 (libsystem_pthread.dylib + 11852) [0x189d0be4c] 940 _dispatch_workloop_worker_thread + 692 (libdispatch.dylib + 85356) [0x189b65d6c] 940 _dispatch_root_queue_drain_deferred_wlh + 292 (libdispatch.dylib + 87156) [0x189b66474] 940 _dispatch_lane_invoke + 440 (libdispatch.dylib + 45048) [0x189b5bff8] 940 _dispatch_lane_serial_drain + 944 (libdispatch.dylib + 42420) [0x189b5b5b4] 940 _dispatch_client_callout + 16 (libdispatch.dylib + 113364) [0x189b6cad4] 940 _dispatch_call_block_and_release + 32 (libdispatch.dylib + 7004) [0x189b52b5c] 940 ??? (revisiond + 168768) [0x10494d340] 940 ??? (revisiond + 165940) [0x10494c834] 940 ??? (revisiond + 40264) [0x10492dd48] 940 ??? (revisiond + 56680) [0x104931d68] 940 <patched truncated backtrace> 940 removexattr + 8 (libsystem_kernel.dylib + 23768) [0x189cd1cd8] *940 ??? (kernel.release.t6000 + 15240) [0xfffffe000886fb88] *940 ??? (kernel.release.t6000 + 1886348) [0xfffffe0008a3888c] *940 ??? (kernel.release.t6000 + 7730436) [0xfffffe0008fcb504] *940 ??? (kernel.release.t6000 + 2759592) [0xfffffe0008b0dba8] *940 ??? (kernel.release.t6000 + 2808244) [0xfffffe0008b199b4] *940 apfs_vnop_removexattr + 1044 (apfs + 474512) [0xfffffe000be8d4d0] *940 decmpfs_cnode_set_vnode_state + 80 (kernel.release.t6000 + 2945816) [0xfffffe0008b3b318] *940 IORWLockWrite + 184 (kernel.release.t6000 + 496184) [0xfffffe00088e5238] *940 ??? (kernel.release.t6000 + 494624) [0xfffffe00088e4c20] *940 ??? (kernel.release.t6000 + 619452) [0xfffffe00089033bc] *940 ??? (kernel.release.t6000 + 624472) [0xfffffe0008904758] The bulk of the other processes are waiting for that lock. (suspended, blocked by krwlock for reading owned by revisiond [426] thread 0xc0616d) (blocked by krwlock for writing owned by revisiond [426] thread 0xc0616d) Around the time of the event, these messages were logged by revision: 2026-03-06 18:49:37.781673-0500 0x16b7 Error 0x7f92f364 426 14 revisiond: [com.apple.revisiond:default] [ERROR] CSCopyChunkIDsForToken failed for 41639 2026-03-06 18:49:37.781716-0500 0x16b7 Error 0x7f92f365 426 14 revisiond: [com.apple.revisiond:default] [ERROR] updateEntry for new entry <private> failed 2026-03-06 18:49:37.781738-0500 0x16b7 Error 0x7f92f366 426 14 revisiond: [com.apple.revisiond:default] [ERROR] no entry for '<private>' 2026-03-06 18:49:37.781754-0500 0x16b7 Error 0x7f92f367 426 14 revisiond: [com.apple.revisiond:default] [ERROR] failed assembleInfoForOffset for fsid 16777234 fileid 359684022 offset 0 size 14334 (path <private>) Our agent uses Endpoint Security Framework to monitor events, and provide anti-tamper functionality for installed components and processes. While several EndpointSecurity calls appear in the spindump stack traces, we don't have any evidence that any calls from revisiond were blocked. What we'd really like to to understand what that lock is (appears to be decompressing an object on an APFS volume), what revisiond and APFS are doing with it, and what might cause it to deadlock. Of note, one of our processes is also waiting on that lock, one thread for reading and the other for writing. This issue affects machines running several macOS versions (15.x, 26.x). The machine in the examples is running macOS 26.3 (25D125)
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26.4 beta and RC versions are unable to be created on anything but 26.4 beta host OS
We're trying to create 26.4 beta and RC VMs on 15.x and 26.3 host OS' without success. We see Tue Mar 17 17:27:36 40 anka.log (install) 45803: failed to install macOS: Error Domain=VZErrorDomain Code=10006 "Installation requires a software update." UserInfo={NSLocalizedFailure=A software update is required to complete the installation., NSLocalizedFailureReason=Installation requires a software update.} Yet, if we create it the same way on 26.4 beta host OS, it works. We've tried the usual tricks of installing latest Xcode and preparing it (accepting license, etc). But, they don't work on 26.3 and 15.x. What's the trick to get the creation of 26.4 to work on <= 26.3 host OS?
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Do watchOS widget reloads in an active workout session count against the daily budget?
https://developer.apple.com/documentation/widgetkit/keeping-a-widget-up-to-date lists a number of exception including "The widget’s containing app has an active audio or navigation session." https://developer.apple.com/videos/play/wwdc2021/10048/ mentions: "However, there are a few situational exceptions that will make these reloads occur both immediately and budget-free. These are when your container app is foreground to the user or when your app is participating in a user session, like Navigation or Now Playing audio." Does an active workout session in a watchOS app count as "your app is participating in a user session", so calls to WidgetCenter.shared.reloadTimelines(ofKind:) are budget-free?
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Live Activity triggered by AlarmKit remains as an empty state
I configured my app to show a Live Activity when an alarm rings using AlarmKit. However, if I dismiss the Live Activity by tapping somewhere other than the X button, and then long-press the Dynamic Island, a new Live Activity appears that is long but contains no information. Currently, the only way I can remove this empty Live Activity is to press the X button while the alarm is in the snooze state. Pressing the X button on the initial alarm does not remove it. Is there any way to prevent this behavior or properly handle / clean up this empty Live Activity?
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Background upload issue in WatchOS
We are developing a watchOS application that records long audio sessions and uploads them to our backend in chunks (~5 MB each) using pre-signed URLs and URLSession background upload. Current behavior: While audio recording is active, uploads continue successfully even when the app is in the background. Once the recording stops, if multiple chunks (e.g., 10+) are still pending, the remaining uploads do not proceed in the background and appear to be suspended. We attempted to use WKExtendedRuntimeSession (mindfulness type) to allow sufficient time to enqueue background upload tasks, but the session is invalidated when the app goes to the background (e.g., wrist down or app inactive), which prevents reliable scheduling of uploads. Additionally, we added the entitlement: com.apple.developer.extended-runtime-session (mindfulness) in the Watch app entitlements file, but Xcode automatic signing fails with: “Provisioning profile does not include the com.apple.developer.extended-runtime-session entitlement.” It appears that the provisioning profile is not being updated to include this entitlement. Our questions: Is WKExtendedRuntimeSession (mindfulness) expected to support scheduling background URLSession uploads after the app goes to background? How should we reliably complete pending background uploads on watchOS after a long recording session ends? Is there any additional entitlement or recommended approach for this use case? Why is the extended runtime entitlement not being applied to the provisioning profile despite being added in the entitlements file? We are aiming to follow Apple-recommended practices for long-running tasks and background uploads on watchOS. Any guidance would be greatly appreciated.
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2d
Why don't my os_log entries show up until the second time my driver loads?
I'm in the process of writing a DriverKit USBHostInterface driver, and while I'm finally starting to get there, I've run into a bit of a frustration with logging. Naturally I have a liberal amount of os_log calls that I'm using to troubleshoot my driver. However I've noticed that they don't show up until after the first time my driver has loaded. Meaning, for example, suppose I make a new build of my driver and it's bundled user-mode app, install the bundle to /Applications, run the installer, verify it took with systemextensionsctl list, fire up Console and start streaming log entries, then plug in my device. I can see the log entries that show that my driver is loaded, etc., then a bunch of kernel -> log entries, but none of my Start method log entries. If I unplug my device and plug it in again, my log entries show up as expected. Why is this and, more importantly, how can I fix it? I'd like to see those log entries the first time the driver loads, if I could.
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2d
CloudKit, cannot deploy private database initial schema to production
We’re using a private database with a custom zone. Record types and related schema are created programmatically rather than through the dashboard. When running the app in the development environment, I can see that data is saved and can be retrieved successfully. However, in the iCloud console, I don’t see any record types or even the custom zone. Additionally, I’m unable to deploy any schema to production because no changes are detected. Do you have any ideas on what we might be missing? Installing the app from TestFlight when trying to upload a record CloudKit reports this error: <CKError 0x13f40bb10: "Invalid Arguments" (12/2006); server message = "Cannot create new type MyType in production schema" ...>
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2d
New features for APNs token authentication now available
Team-scoped keys introduce the ability to restrict your token authentication keys to either development or production environments. Topic-specific keys in addition to environment isolation allow you to associate each key with a specific Bundle ID streamlining key management. For detailed instructions on accessing these features, read our updated documentation on establishing a token-based connection to APNs.
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2k
Activity
Feb ’25
Help with getting info for an WIFI USER EXPERIENCE APP
Hi I’m working on an app Called Wiux ( already on Android ) but one of my clients has a company with all iPhones so I need to develop the app for iOS, but I’m facing A huge wall, it’s an proactive wifi user experience monitor for distributed networks and the idea is that the app its sending every minute info about connectivity RSSI, which network , if is 2,4ghz or 5ghz channel used and device usage cpu ram etc but I find that is no getRSSI ( and I really need that data ) but some aps like iWifi or WiFi probe has that data and it works I check the reads with a phisical probe and my app on android and values match. i think maybe with NEHotspotHelper I could get the data but I don’t know how to ask to use it or if exist a dependency for quality monitoring that allows me to access that thow o info. ( And probably in the near future I face the same problem with LTE ( that I’m also monitoring with the app on Android and I think is going to be a problem on iOS )
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19
Activity
2s
Securing XPC Daemon Communication from Authorization Plugin
I'm working on securing communication between an Authorization Plugin and an XPC daemon, and I’d appreciate some guidance on best practices and troubleshooting. The current design which, I’ve implemented a custom Authorization Plugin for step-up authentication, which is loaded by Authorization Services at the loginwindow (inside SecurityAgent). This plugin acts as an XPC client and connects to a custom XPC daemon. Setup Details 1. XPC Daemon Runs as root (LaunchDaemon) Not sandboxed (my understanding is that root daemons typically don’t run sandboxed—please correct me if this is wrong) Mach service: com.roboInc.AuthXpcDaemon Bundle identifier: com.roboInc.OfflineAuthXpcDaemon 2. Authorization Plugin Bundle identifier: com.roboInc.AuthPlugin Loaded by SecurityAgent during login 3. Code Signing Both plugin and daemon are signed using a development certificate What I’m Trying to Achieve I want to secure the XPC communication so that: The daemon only accepts connections from trusted clients The plugin only connects to the legitimate daemon Communication is protected against unauthorized access The Issue I'm facing I attempted to validate code signatures using: SecRequirementCreateWithString SecCodeCopyGuestWithAttributes SecCodeCheckValidity However, validation consistently fails with: -67050 (errSecCSReqFailed) Could you please help here What is the recommended way to securely authenticate an Authorization Plugin (running inside SecurityAgent) to a privileged XPC daemon? Since the plugin runs inside SecurityAgent, how can the daemon reliably distinguish my plugin from other plugins? What is the correct approach to building a SecRequirement in this scenario? Any guidance, examples, or pointers would be greatly appreciated. Thanks in advance!
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3
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122
Activity
32m
Different transaction IDs for the same purchase between SKPaymentTransaction and receipt latest_receipt_info
Hello, I am investigating a case where two different transaction IDs appear to refer to the same purchase, and I would like clarification on whether this behavior is expected. Additional context StoreKit version: StoreKit 1 (SKPaymentTransaction) Environment: Production Product type: Auto-renewable subscription Transaction sources The values are obtained from the following APIs: transaction_id from SKPaymentTransaction https://developer.apple.com/documentation/storekit/skpaymentqueue receipt_data from the App Store receipt https://developer.apple.com/documentation/foundation/bundle/appstorereceipturl Observed behavior After an In-App Purchase completes, the app receives: a transaction_id from SKPaymentTransaction the corresponding receipt_data for the purchase When inspecting the receipt, the transaction_id inside latest_receipt_info differs from the transaction_id received directly from the purchase transaction. For clarity: A = transaction_id received from the purchase flow (SKPaymentTransaction) A' = transaction_id found in receipt_data.latest_receipt_info The two values are different, but they differ only by 1. Additional observation The original_transaction_id for A and A' is identical, which suggests that both transaction IDs belong to the same subscription purchase chain. Pattern observation on the ID difference We have observed that the difference between A and A' is consistently exactly 1 (i.e., A' = A + 1) across multiple transactions, not just a single case. This appears to be a reproducible pattern rather than a coincidence. This observation raises an additional question (Question 6 below). API verification When calling: GET /inApps/v1/transactions/{transactionId} Both A and A' return what appears to be the same purchase record. The response data is effectively identical except for the transactionId field. However, when calling: GET /inApps/v2/history/{transactionId} A does not appear in the transaction history only A' appears in the history response Questions If A does not appear in transaction history, where does this transaction ID originate from? Why does Get Transaction Info (/inApps/v1/transactions/{transactionId}) return a valid response for A even though it is not present in the transaction history? Why do A and A' both resolve to what appears to be the same purchase? In this situation, which transaction ID should be treated as the canonical transaction ID for server-side validation? Is this difference related to how StoreKit 1 (SKPaymentTransaction) and the App Store Server API represent transactions? Is the consistent off-by-one difference between the transaction_id from SKPaymentTransaction and the one recorded in latest_receipt_info an intentional behavior of StoreKit 1's internal transaction ID assignment? Specifically, we are wondering whether StoreKit 1 applies some form of internal offset when delivering the transaction ID to the client, while the App Store server records a different (adjacent) ID in the receipt. If so, is this documented anywhere? Note We are currently in the process of migrating to StoreKit 2, but this behavior was observed while investigating our existing StoreKit 1 implementation. Any clarification would help us better understand the correct transaction model during the migration.
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108
Activity
56m
Product ID conflict for IAP across staging/production apps
I’m working on a Flutter application that implements subscriptions using in-app purchases (IAP). I currently have two apps under the same developer account: One for staging One for production In App A (staging), I successfully created a monthly subscription with the product ID: rc_1299_monthly However, when I try to create a subscription with the same product ID (rc_1299_monthly) in App B (production), I encounter the following error: "The Product ID you entered is already being used by another subscription." My understanding was that product IDs are scoped per app, but this error suggests there may be account-level constraints. Has anyone encountered this before? Is it required to use unique product IDs across all apps under the same account, or is there a recommended approach for handling staging vs production setups? Any clarification or best practices would be appreciated.
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36
Activity
5h
Potential iOS26 regression on AASA file not download on app install
Original discussion pre iOS 26 Our app uses Auth0 with HTTPS callback, we've found the issue where AASA file is not ready immediately when app is initially launched, which is the exact issue from the above link. The issue seems mostly fixed on later versions on iOS 18, however, we are seeing some indications of a regression on iOS 26. Here's some measurement over the last week. | Platform | iOS 18 | iOS 26 | |---------------|----------|--------| | Adoption rate | 55% | 45% | | Issue seen | 1 | 5 | | Recover? | Yes | No | This only 1 iOS 18 instance was able to recover after 1 second after the first try, however, all iOS 26 instances were not able to recover in couple tens of seconds and less than 1 minute, the user eventually gave up. Is there a way to force app to update AASA file? Are there some iOS setting (like using a VPN) that could potentially downgrade the AASA fetch? Related Auth0 discussion: https://community.auth0.com/t/ios-application-not- recognizing-auth0-associated-domain/134847/27
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829
Activity
5h
[FB21797091] Regression: Universal Links/AASA Fetching Fails for IDN on iOS 16+
Reference: FB21797091 / Related to thread 807695 Hello, I have already submitted a report regarding this issue via Feedback Assistant (FB21797091), but I would like to share the technical details here to seek further insights or potential workarounds. We are experiencing a technical regression where Universal Links and Shared Web Credentials fail to resolve for Internationalized Domain Names (IDN) specifically on iOS 16 and later. This issue appears to be identical to the one discussed in thread 807695 (https://developer.apple.com/forums/thread/807695). Technical Contrast: What works vs. What fails On the exact same app build and iOS 16+ devices, we observe a clear distinction: Standard ASCII Domain (onelink.me): Works perfectly. (Proves App ID and Entitlements are correct) Internal Development Domain (Standard ASCII): Works perfectly. (Proves our server-side AASA hosting and HTTPS configuration are correct) Japanese IDN Domain (xn--[punycode].com): Fails completely. (Status: "unspecified") Note: This IDN setup was last confirmed to work correctly on iOS 15 in April 2025. Currently, we are unable to install the app on iOS 15 devices for live comparison, but the regression starting from iOS 16 is consistent. This "Triple Proof" clearly isolates the issue: the failure is strictly tied to the swcd daemon's handling of IDN/Punycode domains. Validation & Diagnostics: Validation: Our Punycode domain passes all technical checks on the http://Branch.io AASA Validator (Valid HTTPS, valid JSON structure, and Content-Type: application/json). sysdiagnose: Running swcutil on affected iOS 16+ devices shows the status as "unspecified" for the IDN domain. Symptoms: Universal Links consistently open in Safari instead of the app, the Smart App Banner is not displayed, and Shared Web Credentials for AutoFill do not function. Request for Resolution: We request a fix for this regression in the swcd daemon. If this behavior is a specification for security reasons, please provide developers with a supported method or workaround to ensure IDN domains function correctly. We have sysdiagnose logs available for further investigation. Thank you.
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588
Activity
5h
SwiftData ModelContext Pollution with Multiple ModelContainers and Schemas
I have two different VersionedSchema accessed via two different and distinct in-memory ModelContainers. However, both schemas have a model named Item. LocalSchema.Item and RemoteSchema.Item have slightly different properties. If I create and save RemoteSchema.Item in one context then I cannot create and save LocalSchema.Item in a different context due to missing origin property. enum LocalSchema: VersionedSchema { static var versionIdentifier: Schema.Version = .init(1, 0, 0) static var models: [any PersistentModel.Type] = [ Item.self ] @Model class Item { @Attribute(.unique) var title: String var created: Date var modified: Date init(title: String, created: Date, modified: Date) { self.title = title self.created = created self.modified = modified } } } enum RemoteSchema: VersionedSchema { static var versionIdentifier: Schema.Version = .init(1, 0, 0) static var models: [any PersistentModel.Type] = [ Item.self ] @Model class Item { var title: String var created: Date var modified: Date var origin: String init(title: String, created: Date, modified: Date, origin: String) { self.title = title self.created = created self.modified = modified self.origin = origin } } } In the above example, saving RemoteSchema.Item will cause LocalSchema.Item to fail. The error message I see is *** Terminating app due to uncaught exception 'NSUnknownKeyException', reason: '[<NSManagedObject 0xa120f3750> setValue:forUndefinedKey:]: the entity Item is not key value coding-compliant for the key "origin".' Test Code @Test func createLocalItemWithManualSave() async throws { let context = ModelContext(try localStore()) let item = LocalSchema.Item(title: "local", created: .now, modified: .now) context.insert(item) try context.save() } @Test func createRemoteItemWithManualSave() async throws { let context = ModelContext(try remoteStore()) let item = RemoteSchema.Item(title: "remote", created: .now, modified: .now, origin: "from space") context.insert(item) try context.save() } func localStore() throws -> ModelContainer { let schema = Schema(versionedSchema: LocalSchema.self) let config = ModelConfiguration("local", schema: schema, isStoredInMemoryOnly: true, allowsSave: true, cloudKitDatabase: .none) return try ModelContainer(for: schema, configurations: config) } func remoteStore() throws -> ModelContainer { let schema = Schema(versionedSchema: RemoteSchema.self) let config = ModelConfiguration("remote", schema: schema, isStoredInMemoryOnly: true, allowsSave: true, cloudKitDatabase: .none) return try ModelContainer(for: schema, configurations: config) } I have created FB22310365
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30
Activity
6h
Matter OTA on TestNet: HomePod always replies "UpdateNotAvailable" (Device is already CSA Certified)
Hi Apple Team / Community, We are currently pulling our hair out over a TestNet OTA issue and could really use some help. Our Matter Door Lock (VID: 5424, PID: 513) has already obtained official CSA Certification, so we are 100% confident that our device firmware and OTA Requestor logic are completely solid. However, we simply cannot get Apple's TestNet to serve the update via HomePod. Here is exactly what is happening: Our device successfully sends a QueryImage command to the HomePod. The HomePod receives it, but immediately fires back a QueryImageResponse that essentially means "UpdateNotAvailable", forcing the device into an 86400-second sleep timeout. Here is what we have verified so far: Local OTA works perfectly: If we use Nordic's chip-ota-provider-app locally with the exact same .ota file, the BDX transfer triggers instantly and the device updates without a hitch. DCL details are 100% accurate: We published a brand new version (1.0.4 / 16778240) which is strictly higher than the device's current version (1.0.1 / 16777472). The otaFileSize (973839) and Base64 Checksum match the file perfectly. ZERO hits on our server: The OTA file is hosted on an AWS S3 direct link (SSL Grade A via SSL Labs, ATS compliant). We checked our server logs, and there hasn't been a single download attempt from any Apple IP addresses. Since our device is certified and local OTA works flawlessly, it strongly feels like Apple's TestNet backend either has a stuck/cached "invalid" state for our VID/PID (very similar to what was reported in CHIP GitHub Issue #29338), or the Apple backend crawler is failing to reach our URL for some internal reason. Could someone please check if there is a cached exception for VID: 5424 / PID: 513 on the TestNet backend? Any help or pointers would be hugely appreciated! Thanks in advance.
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22
Activity
7h
The iOS CallKit end my call without user action.
By analysis the log, seems the following 3 calls has been ended by system callkit (Not mainly trigger the end call): @apple Do you have similar report that the iOS CallKit End the call withtour user action? Device info: iPhone18,1(iPhone 16 Pro) iOS 26.2 RCAppMobile/25.4.30.995 CTRadioAccessTechnologyNR(5G NR)
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2
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93
Activity
7h
How to create ControlWidget button that opens my App
Hi, I want to create a ControlWidget button that acts as a shortcut in the control center open a specific view within my app to show a badge. Problem: I can‘t get it to open my host app. I tried a custom myapp:// protocol - did not work, I tied AppIntent with the openAppWhenRun set to true - did not work and the strange thing is the debugger breakpoint in perform will only get triggered if this is set to false. OpenIntent did not work either even if I use a dummy swift app as host to try it out. What is the current supported way (iOS 18 and 26) to open your app when a static ControlWidget button is clicked, what could I have done wrong / am missing?
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28
Activity
11h
Tap to Pay entitlement stuck in development for nearly 1.5 months – do I need to resubmit?
Hi everyone, we’ve been waiting since May 30 for our Tap to Pay on iPhone entitlement to be enabled for distribution, but it’s still only active for development (Case‑ID: 14485444). We submitted: A new video recorded from an external device showing the full checkout flow Updated merchant education using the ProximityReaderDiscovery.Topic.payment(.howToTap) API, as suggested by Apple The team initially said the education was compliant, then said it wasn’t. We fixed everything, sent the updated materials, and haven’t heard back in days. We can’t even upload the app to TestFlight because of this error: Profile doesn't include the com.apple.developer.proximity-reader.payment.acceptance entitlement It’s now been almost a month and a half, and this delay is becoming critical. It’s blocking both internal testing and our production release. We’d really appreciate clarity on: Do we need to submit another request via the form? Or is it enough to reply to the existing email thread? Also, are there any direct contacts or escalation paths we can use? Any help or guidance appreciated
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2
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385
Activity
18h
Screen Time APIs showing severe inconsistencies (DeviceActivity not firing + impossible usage data)
Hi everyone, I’m the developer of one sec, an app used by a large number of users globally to reduce time spent on social media and to build healthier digital habits. Because of this, we rely heavily on Apple’s Screen Time / DeviceActivity / FamilyControls, ManagedSettings APIs – and unfortunately, we’re seeing increasingly severe issues in production that directly impact hundreds of thousands of real iOS users. During the past years, we have been busy filing dozens of feedback requests for different Screen Time issues – and there has been no response from Apple at all. Developer Relations might be able to "confirm" that the bugs are present and that they ended up with the right team – but they are never addressed, neither are workarounds provided. Instead, the situation gets worse and worse. iOS 26 introduced a series of heavy regressions (which have been reported via Apple’s official bug report tool "Feedback Assistant" on iOS 26 beta 1 in June 2025 – and have not been addressed 10 Months later). This is very frustrating for us as developers, but also for our end-users who run into these issues every day. In the end this impacts our ability to build an amazing product and hurts revenue (which affects both us and Apple). 1. DeviceActivity thresholds are not firing at all This affects both: our app’s usage of the API and Apple’s own Screen Time limits Radars: FB22304617, FB20526837, FB15491936, FB12195437, FB15663329, FB18198691, FB18289475, FB19827144 2. Screen Time usage data is clearly corrupted Websites showing hundreds of hours per week Up to ~20 hours per day of usage reported for a single domain Radars: FB22304617, FB17777429, FB18464235 3. DeviceActivity thresholds reaching threshold immediately Newly introduced with iOS 26 Reported on iOS 26 beta 1 in June No response so far / no workaround DeviceActivity calls didReachThreshold immediately after creating the DeviceActivityEvent – instead of waiting till the defined threshold is actually reached. Radars: FB13696022, FB18351583, FB21320644, FB18927456, FB18061981 4. Randomly Randomizing ApplicationTokens From time to time, and without consistency, Screen Time suddenly provides new, random, unknown tokens to my app in the ShieldConfigurationDataSource and ShieldActionDelegate. This has been reported on many times before here on the dev forms, many many years back already: https://forums.developer.apple.com/forums/thread/756440 https://forums.developer.apple.com/forums/thread/758325 https://forums.developer.apple.com/forums/thread/758325?answerId=793267022#793267022 Radars: FB14082790 and FB18764644 5. Moving Tokens from one ManagedSettingsStore to Another Removing an ApplicationToken from one SettingsStore and then adding it to another while the target app remains in foreground leads to the re-use of the ShieldConfiguration. Which can be wrong in many scenarios. It is not possible to request a re-request of the ShieldConfiguration in that scenario. Radar: FB14237883 6. Unable to Open Parent App (one sec) from Shield Many times, when a target app is blocked by a shield, the user wants to perform some action (e.g. to unlock more time for the target app via an intervention). That means, that somehow I have to forward the user from a ShieldActionDelegate back into my target app. Unfortunately, there’s no API for that. Many apps on the App Store rely on private API to achieve that, but that’s too risky for a popular app like one sec. Radar: FB15079668 7. Unable to Open Target App from an ApplicationToken When a user has completed an intervention within one sec, and they indend to to continue to the target app, there is no way that one sec can open the target app just from the token alone. Sure, there are URL schemes, but that means the user has to manually assign URL schemes to each ApplicationToken. That is not a very user friendly process (and in many cases impossible, because not every app registers URL schemes). It would be better if there was a way that my app could open a target app directly from an ApplicationToken, e.g. via an AppIntent that can be run on a button press. This way, the selected apps would remain fully private while still offering advanced functionality: struct OpenTargetAppIntent: AppIntent, OpenAppFromApplicationTokenIntent { func perform() { return .result(openAppFromApplicationToken: applicationToken) } } Radar: FB15500695 Summary Thanks a lot for taking the time to read my feedback. If you have any questions, please feel free to reach out to me any time. I’m always happy to provide more details, logs, and steps to reproduce in my radars / feedback requests or in-person in Cupertino. It would be extremely helpful if someone from the Screen Time / DeviceActivity engineering team could: Take a look at the listed radars. Work on bug fixes and be transparent about when fixes will be shipped. Provide workarounds in the meantime. We genuinely want to build great, reliable experiences on top of Screen Time – but in its current state, it’s becoming very difficult to depend on. – Frederik
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95
Activity
20h
macOS Tahoe 26.4 Beta 4: Rosetta deprecation warning not shown — bug or intended behavior?
According to the release notes for macOS Tahoe 26.4 beta, a warning dialog should appear when launching apps that require Rosetta 2, informing users that these apps will stop working in a future macOS release. However, on my MacBook Air M1 running Tahoe 26.4 Beta 4 (25E5233c), no such warning appears when launching Intel (x86_64) apps. Test case: VLC media player Downloaded from the official VLC website: https://www.videolan.org/vlc/ Selected the Intel 64-bit version (vlc-3.0.21-intel64.dmg) Copied VLC.app to /Applications Code signature verified: Identifier: org.videolan.vlc Format: Mach-O thin (x86_64) Team ID: 75GAHG3SZQ Timestamp: June 2024 Flags: hardened runtime Notarization: accepted (Notarized Developer ID) spctl --assess --verbose /Applications/VLC.app → accepted, source=Notarized Developer ID Launched VLC.app — no Rosetta deprecation warning appeared System log findings: The following entry was repeated many times in the system log: Sandbox: oahd-helper deny(1) file-read-data /usr/libexec/rosetta/oahd-helper This suggests that oahd-helper is being blocked by the Sandbox from reading its own binary, which may be preventing the warning dialog from appearing. My questions: Is this a known bug in Beta 4? Does the absence of a warning mean the app will continue to work in macOS 28 and beyond? Should I file a Feedback report for this? Any insights would be appreciated. Thank you. Environment: Device: MacBook Air 2020 M1 OS: macOS Tahoe 26.4 Beta 4 (25E5233c) Test app: VLC 3.0.21 Intel 64-bit (org.videolan.vlc, Team ID: 75GAHG3SZQ) Source: https://www.videolan.org/vlc/
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6
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279
Activity
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System-wide deadlock in removexattr from revisiond / APFS
System-wide deadlock in removexattr from revisiond / APFS We're experiencing a deadlock on certains systems when our software is installed, which is causing side effects in our process (and likely others) such as blocked queues and increased memory usage. According to the spindump, revisiond appears to be holding an exclusive lock within the kernel. Process: revisiond [426] UUID: 5E9B9E04-984B-31AD-A4FF-A1A90B7D53A1 Path: /System/Library/PrivateFrameworks/GenerationalStorage.framework/Versions/A/Support/revisiond Codesigning ID: com.apple.revisiond Shared Cache: 25AE5A2A-FE2A-3998-8D4E-F3C5C6E6CEB6 slid base address 0x189834000, slide 0x9834000 (System Primary) Architecture: arm64e Parent: launchd [1] UID: 0 Sudden Term: Tracked Memory Limit: 50MB Jetsam Priority: 40 Footprint: 6225 KB Time Since Fork: 1740319s Num samples: 940 (1-940) Num threads: 5 Note: 1 idle work queue thread omitted [...] Thread 0xc0616d 940 samples (1-940) priority 46 (base 4) last ran 241692.754s ago 940 start_wqthread + 8 (libsystem_pthread.dylib + 7068) [0x189d0ab9c] 940 _pthread_wqthread + 292 (libsystem_pthread.dylib + 11852) [0x189d0be4c] 940 _dispatch_workloop_worker_thread + 692 (libdispatch.dylib + 85356) [0x189b65d6c] 940 _dispatch_root_queue_drain_deferred_wlh + 292 (libdispatch.dylib + 87156) [0x189b66474] 940 _dispatch_lane_invoke + 440 (libdispatch.dylib + 45048) [0x189b5bff8] 940 _dispatch_lane_serial_drain + 944 (libdispatch.dylib + 42420) [0x189b5b5b4] 940 _dispatch_client_callout + 16 (libdispatch.dylib + 113364) [0x189b6cad4] 940 _dispatch_call_block_and_release + 32 (libdispatch.dylib + 7004) [0x189b52b5c] 940 ??? (revisiond + 168768) [0x10494d340] 940 ??? (revisiond + 165940) [0x10494c834] 940 ??? (revisiond + 40264) [0x10492dd48] 940 ??? (revisiond + 56680) [0x104931d68] 940 <patched truncated backtrace> 940 removexattr + 8 (libsystem_kernel.dylib + 23768) [0x189cd1cd8] *940 ??? (kernel.release.t6000 + 15240) [0xfffffe000886fb88] *940 ??? (kernel.release.t6000 + 1886348) [0xfffffe0008a3888c] *940 ??? (kernel.release.t6000 + 7730436) [0xfffffe0008fcb504] *940 ??? (kernel.release.t6000 + 2759592) [0xfffffe0008b0dba8] *940 ??? (kernel.release.t6000 + 2808244) [0xfffffe0008b199b4] *940 apfs_vnop_removexattr + 1044 (apfs + 474512) [0xfffffe000be8d4d0] *940 decmpfs_cnode_set_vnode_state + 80 (kernel.release.t6000 + 2945816) [0xfffffe0008b3b318] *940 IORWLockWrite + 184 (kernel.release.t6000 + 496184) [0xfffffe00088e5238] *940 ??? (kernel.release.t6000 + 494624) [0xfffffe00088e4c20] *940 ??? (kernel.release.t6000 + 619452) [0xfffffe00089033bc] *940 ??? (kernel.release.t6000 + 624472) [0xfffffe0008904758] The bulk of the other processes are waiting for that lock. (suspended, blocked by krwlock for reading owned by revisiond [426] thread 0xc0616d) (blocked by krwlock for writing owned by revisiond [426] thread 0xc0616d) Around the time of the event, these messages were logged by revision: 2026-03-06 18:49:37.781673-0500 0x16b7 Error 0x7f92f364 426 14 revisiond: [com.apple.revisiond:default] [ERROR] CSCopyChunkIDsForToken failed for 41639 2026-03-06 18:49:37.781716-0500 0x16b7 Error 0x7f92f365 426 14 revisiond: [com.apple.revisiond:default] [ERROR] updateEntry for new entry <private> failed 2026-03-06 18:49:37.781738-0500 0x16b7 Error 0x7f92f366 426 14 revisiond: [com.apple.revisiond:default] [ERROR] no entry for '<private>' 2026-03-06 18:49:37.781754-0500 0x16b7 Error 0x7f92f367 426 14 revisiond: [com.apple.revisiond:default] [ERROR] failed assembleInfoForOffset for fsid 16777234 fileid 359684022 offset 0 size 14334 (path <private>) Our agent uses Endpoint Security Framework to monitor events, and provide anti-tamper functionality for installed components and processes. While several EndpointSecurity calls appear in the spindump stack traces, we don't have any evidence that any calls from revisiond were blocked. What we'd really like to to understand what that lock is (appears to be decompressing an object on an APFS volume), what revisiond and APFS are doing with it, and what might cause it to deadlock. Of note, one of our processes is also waiting on that lock, one thread for reading and the other for writing. This issue affects machines running several macOS versions (15.x, 26.x). The machine in the examples is running macOS 26.3 (25D125)
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26.4 beta and RC versions are unable to be created on anything but 26.4 beta host OS
We're trying to create 26.4 beta and RC VMs on 15.x and 26.3 host OS' without success. We see Tue Mar 17 17:27:36 40 anka.log (install) 45803: failed to install macOS: Error Domain=VZErrorDomain Code=10006 "Installation requires a software update." UserInfo={NSLocalizedFailure=A software update is required to complete the installation., NSLocalizedFailureReason=Installation requires a software update.} Yet, if we create it the same way on 26.4 beta host OS, it works. We've tried the usual tricks of installing latest Xcode and preparing it (accepting license, etc). But, they don't work on 26.3 and 15.x. What's the trick to get the creation of 26.4 to work on <= 26.3 host OS?
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Do watchOS widget reloads in an active workout session count against the daily budget?
https://developer.apple.com/documentation/widgetkit/keeping-a-widget-up-to-date lists a number of exception including "The widget’s containing app has an active audio or navigation session." https://developer.apple.com/videos/play/wwdc2021/10048/ mentions: "However, there are a few situational exceptions that will make these reloads occur both immediately and budget-free. These are when your container app is foreground to the user or when your app is participating in a user session, like Navigation or Now Playing audio." Does an active workout session in a watchOS app count as "your app is participating in a user session", so calls to WidgetCenter.shared.reloadTimelines(ofKind:) are budget-free?
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207
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Live Activity triggered by AlarmKit remains as an empty state
I configured my app to show a Live Activity when an alarm rings using AlarmKit. However, if I dismiss the Live Activity by tapping somewhere other than the X button, and then long-press the Dynamic Island, a new Live Activity appears that is long but contains no information. Currently, the only way I can remove this empty Live Activity is to press the X button while the alarm is in the snooze state. Pressing the X button on the initial alarm does not remove it. Is there any way to prevent this behavior or properly handle / clean up this empty Live Activity?
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384
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Background upload issue in WatchOS
We are developing a watchOS application that records long audio sessions and uploads them to our backend in chunks (~5 MB each) using pre-signed URLs and URLSession background upload. Current behavior: While audio recording is active, uploads continue successfully even when the app is in the background. Once the recording stops, if multiple chunks (e.g., 10+) are still pending, the remaining uploads do not proceed in the background and appear to be suspended. We attempted to use WKExtendedRuntimeSession (mindfulness type) to allow sufficient time to enqueue background upload tasks, but the session is invalidated when the app goes to the background (e.g., wrist down or app inactive), which prevents reliable scheduling of uploads. Additionally, we added the entitlement: com.apple.developer.extended-runtime-session (mindfulness) in the Watch app entitlements file, but Xcode automatic signing fails with: “Provisioning profile does not include the com.apple.developer.extended-runtime-session entitlement.” It appears that the provisioning profile is not being updated to include this entitlement. Our questions: Is WKExtendedRuntimeSession (mindfulness) expected to support scheduling background URLSession uploads after the app goes to background? How should we reliably complete pending background uploads on watchOS after a long recording session ends? Is there any additional entitlement or recommended approach for this use case? Why is the extended runtime entitlement not being applied to the provisioning profile despite being added in the entitlements file? We are aiming to follow Apple-recommended practices for long-running tasks and background uploads on watchOS. Any guidance would be greatly appreciated.
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Why don't my os_log entries show up until the second time my driver loads?
I'm in the process of writing a DriverKit USBHostInterface driver, and while I'm finally starting to get there, I've run into a bit of a frustration with logging. Naturally I have a liberal amount of os_log calls that I'm using to troubleshoot my driver. However I've noticed that they don't show up until after the first time my driver has loaded. Meaning, for example, suppose I make a new build of my driver and it's bundled user-mode app, install the bundle to /Applications, run the installer, verify it took with systemextensionsctl list, fire up Console and start streaming log entries, then plug in my device. I can see the log entries that show that my driver is loaded, etc., then a bunch of kernel -> log entries, but none of my Start method log entries. If I unplug my device and plug it in again, my log entries show up as expected. Why is this and, more importantly, how can I fix it? I'd like to see those log entries the first time the driver loads, if I could.
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CloudKit, cannot deploy private database initial schema to production
We’re using a private database with a custom zone. Record types and related schema are created programmatically rather than through the dashboard. When running the app in the development environment, I can see that data is saved and can be retrieved successfully. However, in the iCloud console, I don’t see any record types or even the custom zone. Additionally, I’m unable to deploy any schema to production because no changes are detected. Do you have any ideas on what we might be missing? Installing the app from TestFlight when trying to upload a record CloudKit reports this error: <CKError 0x13f40bb10: "Invalid Arguments" (12/2006); server message = "Cannot create new type MyType in production schema" ...>
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