We are observing a reproducible issue on some (not all) iPad models equipped with A16, where BLE streaming from multiple peripherals at ≥33–40 Hz results in uneven packet distribution, burst delivery, and application-level lag. The same application, peripherals, firmware, iOS version, and physical environment do not exhibit this behaviour on A14-based iPads (iPad 10). Affected Hardware: • iPad 11 with A16 • iOS versions: identical across tested devices • Issue affects some devices of the same model, not all Internal field data • ~25 affected • ~5 unaffected • Customers actively prefer iPad 10 (A14) due to stability When two or more BLE peripherals stream data concurrently at frequencies ≥33–40 Hz, affected iPads exhibit: • Uneven packet arrival timing • Burst delivery instead of uniform intervals • Increasing latency over time • Observable application-level lag This does not present as simple packet loss. Instead, packets arrive in clusters, breaking real-time assumptions. At ≤30–33 Hz, the issue doe
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Hello, I'm experiencing a persistent issue where all my notarization submissions remain stuck in In Progress indefinitely. This has been happening for the past several days, affecting multiple submissions. Environment: macOS 26.2 (Build 25C56) Using xcrun notarytool submit for submissions Team ID: M3FN25UQK2 Timeline of the issue: Starting from January 2nd, 2026, my submissions began getting stuck in In Progress As of January 6th, I have 6+ submissions that have been In Progress for 24-72+ hours Prior to this, notarization was working normally (I have multiple Accepted submissions from January 1st) What I've tried: Verified my Developer ID Application certificate is valid and properly installed Checked Apple Developer System Status page (shows Operational) Verified code signatures using codesign -vvv --deep --strict Contacted Apple Developer Support (no response yet) Checked my Apple Developer account for any pending agreements or warnings (none found) Is there any known issue affecting notarization
Hey there, We've been using App Store Connect API to manage (create/update) Advanced App Clip Experiences via App Store Connect API. Everything has worked fine, we've been able to successfully manage hundreds of app clips but all of a sudden starting on December 15th the API started returning the following error: id => 1e15b36b-5347-4af0-9bab-7f6626ffec65 status => 409 code => ENTITY_ERROR.INCLUDED.INVALID_ID title => The provided entity id is invalid detail => The provided included entity id 'EN' has invalid format source => array:1 [▼ pointer => /included/0/id ] It does seem to be an API bug considering it has always worked fine and we didn't change anything on our side, the /included/0/id value has always been EN and never changed. Moreover, EN still seems to be a valid value according to the API docs and there are no changes reported of that field in the API release notes. Here's the request ID: 1e15b36b-5347-4af0-9bab-7f6626ffec65 I've tried using different values through tr
Thank you for your post. I find your question quite intriguing, as SwiftUI observable variables are undoubtedly a powerful feature we all use. However, I am not the best developer to provide you examples as I don't use many third parties anymore based on my job. I can provide an example of how I handle third-party libraries that conform to ObservableObject, or at least I did. There is no definitive answer from me, but developers must always adapt to the challenges they encounter. // ObservableObject wrapper for MyObservableType class ObservableTypeAdapter: ObservableObject { @Published private var myObservable: MyObservableType When dealing with imported code that employs a different observation technique than the one you are utilizing in your SwiftUI project, you can bridge the gap between the two by employing certain adaptation techniques. If you have an existing type and require it to be used in a context that expects the macro format, you can create a wrapper that conforms to the expecte
Topic:
UI Frameworks
SubTopic:
SwiftUI
Tags:
We can get informed on object changes through conforming to ObservableObject or having the @Observable macro attached to the type’s definition. How do you handle imported code that assumes the other observation technique?
I have been fighting this problem for two months and would love any help, advice or tips. Should I file a DTS ticket? Summary We attach a JPEG image to a local notification using UNNotificationAttachment. iOS reports the delivered notification as having attachments=1, but intermittently no image preview appears in Notification Center. In correlated cases, the attachment’s UNNotificationAttachment.url (which points into iOS’s attachment store) becomes unreadable (Data(contentsOf:) fails) even though the delivered notification still reports attachments=1. This document describes the investigation, evidence, and mitigations attempted. Product / Component UserNotifications framework UNNotificationAttachment rendering in Notification UI (Notification Center / banner / expanded preview) Environment App: OnThisDay (SwiftUI, Swift 6) Notifications: local notifications scheduled with UNCalendarNotificationTrigger(repeats: false) Attachment: JPEG generated from PhotoKit (PHImageManager.requestImage) and writte
Topic:
App & System Services
SubTopic:
Notifications
Hello Apple Developer Support Team, I am writing to request assistance with an issue preventing me from distributing my iOS app to the App Store. I am able to successfully build and archive my app in Xcode without errors. However, after archiving, Xcode only shows the option “Distribute Content” instead of “Distribute App”. Because of this, I am unable to upload the app to App Store Connect. App & Account Details • App Bundle Identifier: com.yesbuy.yesbuyapp • Team Name: Fathima Sayed Mohamed • Team ID: Z327MG963D • Xcode Version: 26.2 • macOS Version: macOS 15.6.1 Signing & Certificates • Signing Method: Automatically manage signing (enabled) • Signing Certificate (Release): Apple Distribution: Fathima Sayed Mohamed • Provisioning Profile: Xcode Managed / App Store Distribution • Archive Status: Build succeeded What I’ve Already Verified • The archive is created using Release configuration • Skip Install is set to No for the main app target (Runner) • The app target is selected correctly during Archi
Ive been waiting almost a week and a half when the website says it will take around two days. How come it has taken this much time?
Topic:
App Store Distribution & Marketing
SubTopic:
General
Hi everyone, I'm experiencing a persistent issue for months now where I'm unable to download the iOS 26 simulator Runtime. I've tried reinstalling Xcode and also Xcode Beta but same issue. iOS 26 Simulator is also not on developers download page, so manual installation is impossible. And sadly I can't compile any code without having iOS 26 simulator installed. Anyone able to get passed this? Hardware: M1 Pro OS: Tahoe 26.1 Heres the error Download failed. Domain: DVTDownloadableErrorDomain Code: 41 User Info: { DVTErrorCreationDateKey = 2026-01-07 11:35:35 +0000; } -- Download failed. Domain: DVTDownloadableErrorDomain Code: 41 -- Failed fetching catalog for assetType (com.apple.MobileAsset.iOSSimulatorRuntime), serverParameters ({ RequestedBuild = 23C54; }) Domain: DVTDownloadsUtilitiesErrorDomain Code: -1 -- Download failed due to not being able to connect to the host. (Catalog download for com.apple.MobileAsset.iOSSimulatorRuntime) Domain: com.apple.MobileAssetError.Down
@DTS Engineer Thank you for the reply, I have tried resetting my router, restarting my Mac, and also tried different networks. But it's the same issue. I don't have firewall or Anti virus installed and still same error. Xcode is fully updated (latest) MacOS is Tahoe 26.1 (latest) As you can see, using cli still throws similar error ➜ ~ xcodebuild -downloadPlatform iOS Finding content... Automatically resolved architecture variant for platform iOS as 'arm64'. 2026-01-07 22:09:14.742 xcodebuild[71859:6206960] DVTDownloadable: Download Failed. Downloadable: { architectures = ( arm64 ); authentication = none; category = simulator; contentType = cryptexDiskImage; dictionaryVersion = 2; downloadMethod = mobileAsset; fileSize = 8388683973; identifier = com.apple.dmg.iPhoneSimulatorSDK26_2_arm64; isInternalContent = 0; isUserInitiated = 1; name = iOS 26.2 Simulator (23C54); patchableFrom = ( ); platform = com.apple.platform.iphoneos; simulatorVersion = { buildUpdate = 23C54; version = 26.2; }; version = 26.2
Topic:
Developer Tools & Services
SubTopic:
Xcode
Tags:
Hey @dev52, I'd recommend that you get started with various pathways that you find reverent to your journey. In particular you might want to look at the Design, visionOS, and Enterprise pathways. These pathways are easy-to-navigate collections of videos, documentation, and tools. Additionally you might want to watch some prior WWDC session videos available here. There is a lot of documentation, sample code, and videos to uncover. Let me know if you have any questions. If you have a specific issue that you need assistance with, please open up a new thread. Thanks, Michael
Topic:
Spatial Computing
SubTopic:
General
Tags:
Hello Apple Developer Support Team, I am writing to request assistance with an issue preventing me from distributing my iOS app to the App Store. I am able to successfully build and archive my app in Xcode without errors. However, after archiving, Xcode only shows the option “Distribute Content” instead of “Distribute App”. Because of this, I am unable to upload the app to App Store Connect. App & Account Details • App Bundle Identifier: com.yesbuy.yesbuyapp • Team Name: Fathima Sayed Mohamed • Team ID: Z327MG963D • Xcode Version: 26.2 • macOS Version: macOS 15.6.1 Signing & Certificates • Signing Method: Automatically manage signing (enabled) • Signing Certificate (Release): Apple Distribution: Fathima Sayed Mohamed • Provisioning Profile: Xcode Managed / App Store Distribution • Archive Status: Build succeeded What I’ve Already Verified • The archive is created using Release configuration • Skip Install is set to No for the main app target (Runner) • The app target is selected correctly during Archi
Topic:
App Store Distribution & Marketing
SubTopic:
General
Tags:
App Store
Xcode Cloud
Developer Program
Hello extraman, Thank you for reporting this issue. Can you please provide the code for the view that the .toolbar modifier is attached to, that reproduces this issue? Or do you have a small test project demonstrating it? If so, please share a link to your test project. This will help us better understand what's going on. If you're not familiar with preparing a test project, take a look at Creating a test project. Thank you for your patience, Richard Yeh Developer Technical Support
Topic:
UI Frameworks
SubTopic:
SwiftUI
Tags:
You'd need to generate a set of Path instances from the characters in your text. This is only really suitable for small amounts, e.g. the Welcome animation or clock digits, etc., because it's not the most performant thing. Also, bigger text is better. Lastly, remember to wrap it all in a GlassEffectContainer to avoid each character's glass being rendered in a discrete pass. Actually lastly: you'll need to adjust the location of the text using .offset(x:y:) or by tweaking the path creation to include better offset translations. This is my quick & dirty attempt. Since .glassEffect() is designed similarly to a fill API, you need something non-empty to 'fill' with your text. Color.clear gets elided by the rendering engine, but what I've found is that Color.white.opacity(0) works to cause an actual (invisible) view to render and take up space during layout calculations. And now: the code! This was written for tvOS, so it uses BIG fonts and offsets to write big numbers. I had it draw a counter that inc
Topic:
UI Frameworks
SubTopic:
SwiftUI
Tags:
Hey @UXUiOS, This seems like a bug, but I'd like the relevant teams to take a look. Our engineering teams need to investigate this issue, as resolution may involve changes to Apple's software. I'd greatly appreciate it if you could open a bug report, include a video of the issue and sample code that replicates the problem, and post the FB number here once you do. Bug Reporting: How and Why? has tips on creating your bug report. Thanks, Michael
Topic:
Spatial Computing
SubTopic:
General
Tags: