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A Summary of the WWDC25 Group Lab

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iOS 26 beta: Enterprise-distributed apps fail to launch (NSPOSIXErrorDomain Code=85) while Xcode-installed builds run
Environment Devices: e.g., iPhone 12 mini, iPhone 16 (multiple units) OS: iOS 26 beta 2 and beta 4 (23A5297m) Distribution: Apple Enterprise Program (In-House), deployed via MDM InstallApplication Tooling: Xcode (latest available for iOS 26 betas) Summary Apps signed for Enterprise (In-House) distribution install successfully on iOS 26 betas via MDM, but terminate immediately on launch. The same builds run if installed from Xcode on the same devices. This is a regression from pre-iOS 26 versions where Enterprise builds installed via MDM launched normally. Steps to Reproduce Archive an iOS app and export for Enterprise (In-House) distribution. Deploy the .ipa via MDM using InstallApplication to a device on iOS 26 beta (e.g., 23A5297m). Tap the app icon to launch. Actual Result The app quits instantly on launch. System logs show launchd/runningboard errors, including NSPOSIXErrorDomain Code=85 (“Bad executable (or shared library)”): runningboardd(RunningBoard)[34]: Process start failed with Error Domai
Topic: Business & Education SubTopic: Device Management
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Sep ’25
How to use an Intune-delivered SCEP certificate for mTLS in iOS app using URLSessionDelegate?
I am working on implementing mTLS authentication in my iOS app (Apple Inhouse & intune MAM managed app). The SCEP client certificate is deployed on the device via Intune MDM. When I try accessing the protected endpoint via SFSafariViewController/ASWebAuthenticationSession, the certificate picker appears and the request succeeds. However, from within my app (using URLSessionDelegate), the certificate is not found (errSecItemNotFound). The didReceive challenge method is called, but my SCEP certificate is not found in the app. The certificate is visible under Settings > Device Management > SCEP Certificate. How can I make my iOS app access and use the SCEP certificate (installed via Intune MDM) for mTLS requests? Do I need a special entitlement, keychain access group, or configuration in Intune or Developer account to allow my app to use the certificate? Here is the sample code I am using: final class KeychainCertificateDelegate: NSObject, URLSessionDelegate { func urlSession(_ session: URLSes
Topic: Privacy & Security SubTopic: General Tags:
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Sep ’25
How do I update the list of valid redirect URLs for Sign In With Apple for Web?
I've been using Sign In with Apple for Web for the last six months, and it works well enough. Now, I'm updating the domain of the main application (we got the .com! yeah!) However, I can't find a way in the configuration UI to update the allowed redirect URLs for the application. I go to Identifiers -> My App -> Capabilities -> Sign In with Apple -> Edit button. It just allows me to edit whether this is a primary ID, or grouped ID, plus a callback URL (which I'm not currently using.)
Topic: Safari & Web SubTopic: General Tags:
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588
Sep ’25
Reply to App Groups names are red
App groups on the Mac have undergone significant changes in the last year or so. For the backstory, read App Groups: macOS vs iOS: Working Towards Harmony. What style of app group ID are you using? macOS style, that starts with a Team ID? Or iOS-style, that starts with group.? And what version of Xcode is this? Share and Enjoy — Quinn “The Eskimo!” @ Developer Technical Support @ Apple let myEmail = eskimo + 1 + @ + apple.com
Topic: Developer Tools & Services SubTopic: Xcode Tags:
Sep ’25
App Groups names are red
I have recently restarted an old code base. The app uses App Groups to communicate with network and endpoint system extensions. For some reason, in Xcode > Target > Signing & Capabilities the app groups are showing up with red text. I feel the red signifies a problem, but I cannot figure out what it is. The app compiles and runs, but I feel there is problem that I am missing. Any idea why App Group names would be displayed in red?
Topic: Developer Tools & Services SubTopic: Xcode Tags:
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Sep ’25
NSToolbar Space item rendered with Liquid Glass Background
Hi, I have a NSToolbar in my Mac Catalyst app with a space and flexible space item in it (https://developer.apple.com/documentation/appkit/nstoolbaritem/identifier/space). On macOS Tahoe the space item is being rendered with a Liquid Glass effect and seems to be automatically grouped with the previous item. Is there a way to prevent this? It basically adds some undesired padding next to the previous item and looks add. The flexible space is rendered normally and as before. I am talking about the space right next to the back chevron item. Thanks for any hints!
Topic: UI Frameworks SubTopic: UIKit Tags:
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Sep ’25
Reply to SwiftData with CloudKit in Widgets
An app and its extensions can share a SwiftData store located in a shared App Group container. The following Apple sample demonstrates that: Adopting SwiftData for a Core Data app The discussion in this post may help as well, if you have any data update issue. CloudKit integration adds more complexity on this topic. You can start with checking if this post helps. SwiftData + CloudKit uses NSPersistentCloudKitContainer under the hood, and so the content applies. Best, —— Ziqiao Chen  Worldwide Developer Relations.
Topic: App & System Services SubTopic: iCloud & Data Tags:
Sep ’25
App is stuck in "Waiting for review" for more than a month, going past my launching deadline
Hi, I'm here hoping for some help or advice in terms of a critical situation I'm currently facing. I've submitted an iOS app more than one month ago, it was quickly got review and rejected twice, and when I re-submit the third time with new build, it then was stuck in the Waiting for review status for about 3 weeks. Then, I decided to withdraw the submission and re-submit again, but it doesn't work and remain Waiting for review status until now. During these waiting period, I’ve contacted Apple Support multiple times through mails, and received confirmation that my expedited review request was approved. However, no progress has been made since then. Here is a quick summary of the timeline Initial submission: July 29, 2025 Rejected due to Guideline 4.2.2 & 2.1: July 30, 2025 Second submission: Aug 4, 2025 Rejected due to Guideline 4.2.2 & 4.2.0: Aug 6, 2025 Third submission: Aug 6, 2025 Withdraw third & create forth submission: Aug 25, 2025 If anyone from the App Review team sees this post
Topic: App Store Distribution & Marketing SubTopic: App Review Tags:
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Sep ’25
SwiftData with CloudKit in Widgets
Good morning everyone! Today I have a question about using SwiftData with CloudKit and Widgets. I recently set up my project for SwiftData and CloudKit synchronization, but for some reason, I’m not able to give my Widget access to this data. CloudKit works perfectly fine for my main app, but the Widget only shows placeholder data(the placeholder data which were defined in the get functions as catch, this is sure). I have set the CloudKit capability for my Widget extension and tried fetching data with the get-functions in the code below. I also ensured that the data model files are members of the Widget extension target and that the Widget extension uses the same CloudKit container as the main app. I wondered if it is possible and reasonable to save a copy of my CloudKit data in an App Group container, but in that case, the information shown in the Widget are not always up-to-date, so a solution that fetches data directly from CloudKit would be better. Has anyone had experience with this case? I could
Topic: App & System Services SubTopic: iCloud & Data Tags:
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Sep ’25
Wi-Fi Settings Lost During Native MDM Migration in iOS/macOS 26 Latest Beta
Hi Apple Community, At WWDC25, introduced a native device migration feature with iOS/macOS 26 and Apple Business Manager that promises seamless migration from one MDM to another without wiping devices or manual re-enrollment. That said, while testing this in iOS/macOS 26 beta, we ran into an issue: the Wi-Fi settings deployed by the old MDM aren’t retained during the migration. This means devices lose Wi-Fi connectivity partway through, and users have to manually reconnect before the migration to the new MDM can continue. This interrupts what should be a smooth, hands-off process. We wanted to ask if this is a known issue or limitation with the current beta? Are there any recommended ways to avoid losing Wi-Fi profiles during this migration window? Will this improve in future updates so that the Wi-Fi connection is preserved or seamlessly handed off to the new MDM? Any tips, workarounds, or official guidance Apple can share on best practices for handling Wi-Fi profiles during ABM-native device migrat
Topic: Business & Education SubTopic: Device Management Tags:
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Sep ’25
Reply to ContactProviderManager Fails with Custom domainIdentifier, Works Only with "defaultDomain"
Thank you for your response to my previous feedback , confirming that registering custom ContactProviderDomain identifiers is a known limitation and currently unsupported. I am submitting this follow-up to seek clarification on this limitation and request improvements to the documentation to prevent confusion for other developers. Background: The ContactProvider framework allows creating a ContactProviderDomain with a custom identifier, but initializing ContactProviderManager with any identifier other than defaultDomain results in a ContactProviderError.domainNotRegistered error. Your response clarified that custom domains are unsupported, but the documentation does not explicitly state this limitation, leading to confusion. Questions for Clarification Future Support: Is there a plan to support registering custom ContactProviderDomain identifiers in future iOS versions (e.g., iOS 18.2, iOS 19.0)? If so, can you provide an estimated timeline? If custom domains will remain unsupported, can this be confirmed as
Topic: App & System Services SubTopic: General Tags:
Sep ’25