File Provider Extension Testing Mode -2014 Error Issue I'm developing a macOS File Provider Extension and encountering a -2014 (Extension not registered) error when using Testing Mode only. Environment macOS: 13.0+ Xcode: Latest version Developer Account: Paid Developer Account Extension Type: NSFileProviderReplicatedExtension Current Status App ID Configuration App ID: kr.it.flux.FluxDrive2.FileProvider Capabilities: ✅ com.apple.developer.fileprovider.testing-mode (enabled) ❌ General com.apple.developer.fileprovider (not visible) Extension Configuration NSExtensionPointIdentifier: com.apple.fileprovider NSExtensionPrincipalClass: FluxDrive2FileProvider.FileProviderExtension Code Signing: Valid (Team Identifier verified) Info.plist: Valid Error Message Error Domain=NSFileProviderErrorDomain Code=-2014 The operation couldn't be completed. (NSFileProviderErrorDomain error -2014.) Underlying error: Error Domain=NSFileProviderErrorDomain Code=-2001 Extension cannot be used Attempted Solutions ✅ Verified
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File Provider Extension Testing Mode -2014 Error Issue I'm developing a macOS File Provider Extension and encountering a -2014 (Extension not registered) error when using Testing Mode only. Environment macOS: 13.0+ Xcode: Latest version Developer Account: Paid Developer Account Extension Type: NSFileProviderReplicatedExtension Current Status App ID Configuration App ID: kr.it.flux.FluxDrive2.FileProvider Capabilities: ✅ com.apple.developer.fileprovider.testing-mode (enabled) ❌ General com.apple.developer.fileprovider (not visible) Extension Configuration NSExtensionPointIdentifier: com.apple.fileprovider NSExtensionPrincipalClass: FluxDrive2FileProvider.FileProviderExtension Code Signing: Valid (Team Identifier verified) Info.plist: Valid Error Message Error Domain=NSFileProviderErrorDomain Code=-2014 The operation couldn't be completed. (NSFileProviderErrorDomain error -2014.) Underlying error: Error Domain=NSFileProviderErrorDomain Code=-2001 Extension cannot be used Attempted Solutions ✅ Verified
@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
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Developer Tools & Services
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Xcode
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Take a look through all of the items in TN3110: Resolving generic Xcode archive issue. — Ed Ford, DTS Engineer
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App Store Distribution & Marketing
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General
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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
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UI Frameworks
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SwiftUI
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Updating to Xcode 26.2 has fixed the issue :)
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Developer Tools & Services
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Xcode
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Prior to iOS 26.0 we were able to download specific simulator runtimes from the command line by using a command like xcodebuild -downloadPlatform iOS -buildVersion 18.0 This is described in the documentation here. This no longer works for 26.x. If I run the following command: xcodebuild -downloadPlatform iOS -buildVersion 26.0 it fails with the following error: Finding content... iOS 26.0 is not available for download. If I omit the -buildVersion flag it will download the latest version, currently 26.2, but if I try and specify 26.2 as the buildVersion I still get iOS 26.2 is not available for download. This behavior has been confirmed on Xcode 26.2. Perhaps related, it appears these runtimes are also no longer being made available for download on https://developer.apple.com/download/all
Thanks for your post. It appears that you are experiencing difficulties downloading the iOS 26 simulator runtime, which is hindering your ability to compile and test your code. Are you utilizing the most recent version of Xcode from the App Store? The versions on your log file show that you are. The issue seems to be related to a network connection. As it seems can dns com.apple.MobileAsset.iOSSimulatorRuntime? Please ensure that your network connection is stable and that there are no firewalls or network settings obstructing access to Apple’s servers. The error messages indicate a failure to establish a connection to a host, which may be attributed to network-related issues. Although your setup appears compatible, it is advisable to verify that macOS 26.1 and Xcode 26.2 are fully updated. Occasionally, point updates can resolve unforeseen issues with downloads or simulator installations. Attempt restarting your router, modem, and Mac to eliminate any temporary network glitches that may be i
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Developer Tools & Services
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Xcode
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Thank you for your post. May I request that you create a focused sample that developers in the forums can run and observe the results? When running a SwiftUI app designed for iPad on Mac Catalyst, it can be challenging to ensure that the UI scales appropriately and fills the available screen space. However I am confused your iPad target is an iPhone 17? Ensure that your main view is set to expand and fill the available space. You can try using to understand the available space and adjust your layout accordingly. Mac Catalyst provides specific modifiers and environment values you can leverage to better adapt your UI. Ensure that the Mac Catalyst app’s window toolbar isn’t consuming excessive space or causing layout issues. Test your app with different Mac resolutions or window sizes to confirm whether the layout issue is specific to certain dimensions or more general. Since you are using Xcode 26.2 (17C52), ensure that you are also on the latest version of macOS. I look forward to seeing your focused
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UI Frameworks
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SwiftUI
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Switching alternative app icons previously worked in my app and I did not notice when it broke. However now the completion handler consistently returns this error if feeding with either an existing app icon name or a fictional one. Is this a regression I should file a bug report for or am I doing something wrong here? Include all app icon assets is enabled in the target Below you can see the error, the .icon files placed in the project navigator, my code and the top of the Info.plist Thank you Button(Update icon) { UIApplication.shared.setAlternateIconName(appIcon_Heart) { error in if let error { print(error) } } } Error Domain=NSPOSIXErrorDomain Code=35 Resource temporarily unavailable UserInfo={_LSFile=LSIconAlertManager.m, _LSLine=113, _LSFunction=-[LSIconAlertManager iconChangeAlertTokenForIdentity:error:]} Xcode seems to create the correct Info.plist entries. BGTaskSchedulerPermittedIdentifiers newReleasesBackgroundTask BuildMachineOSBuild 24G90 CFBundleDevelopmentRegion de CFBundleDisplay
Topic:
UI Frameworks
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UIKit
When uploading an iOS IPA via App Store Connect API or altool, App Store Connect validates the IPA against the wrong existing app record, even though the IPA is correctly signed and provisioned. The exact same IPA uploads successfully via Apple Transporter, which correctly routes it to the intended app. This appears to be an App Store Connect upload-resolution issue specific to API-based delivery. Environment Account: App Store Connect (Admin access) Authentication: App Store Connect API Key (Issuer ID + Key ID) Apps in Account: com.dailyaudiobible.dabapp Apple ID: 121xxxx266 com.dailyaudiobible.dabapp2 Apple ID: 645xxxx428 iOS / SDK Details Platform: iOS Build Artifact: Single signed IPA used for all tests Target SDK: iOS 18.5 Xcode: 16.4 .NET iOS SDK: 18.5.9227 Minimum iOS Version: 18.5 Architecture: ios-arm64 Build Type: App Store distribution (Release) This SDK/Xcode combination previously worked for TestFlight uploads of this app. Expected Behavior When uploading an IPA with: CFBundleId
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App Store Distribution & Marketing
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App Store Connect API
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 written to app
Topic:
App & System Services
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Notifications
Using SwiftIUI with CommandGroup for iPad app on Xcode Version 26.2 (17C52). I tried to test on Mac Catalyst. Output view is iPad size but my SwiftUI view is small on the left. I tried to override the frame size used but none of the suggested ways compiled. Used both Scaled for iPad and Optimized for Mac in deployment Info with same results.
Experiencing a crash that is only reproducible on TestFlight or AppStore version of the app, note this does not happen when running from Xcode. I've isolated the problem to sort argument being added to @Query that fetches a model that sorts based on inherited property. To reproduce: @Model class SuperModel { var createdAt: Date = .now } @available(macOS 26.0, *) @Model class SubModel: SuperModel { } @Query(sort: SubModel.createdAt, animation: .default) private var models: [SubModel]
Same problem here: Xcode 26.2 (17C52) Tahoe 26.1 (25B78) I added Gemini model and after every Xcode reset the model is gone.
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Developer Tools & Services
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Xcode
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