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Metal Shader inside Swift Package not found?
Hello everyone! I am trying to wrap a ViewModifier inside a Swift Package that bundles a metal shader file to be used in the modifier. Everything works as expected in the Preview, in the Simulator and on a real device for iOS. It also works in Preview and in the Simulator for tvOS but not on a real AppleTV. I have tried this on a 4th generation Apple TV running tvOS 26.3 using Xcode 26.2.0. Xcode logs the following: The metallib is processed and exists in the bundle. Compiler failed to build request precondition failure: pipeline error: custom_effect-fg2a5cia7fmha4: error: unresolved visible function reference: custom_fn Reason: visible function not loaded Compiler failed to build request precondition failure: pipeline error: custom_effect-fg2a5cia7fmha4: error: unresolved visible function reference: custom_fn Reason: visible function not loaded Compiler failed to build request precondition failure: pipeline error: custom_effect-fg2a5cia7fmha4: error: unresolved visible function reference: c
Topic: Graphics & Games SubTopic: Metal Tags:
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336
3w
Reply to Wrote a new app but wanted it to be upgrade of oler app?
Don't you have to have created a new app in App Store Connect for Xcode to upload it? Otherwise, Xcode doesn't know where the app should go. Not sure how you achieve this, but before making any more attempts at uploading to App Store Connect, install your old app on the Simulator, then run the new app and install it to the Simulator. If you get two different apps, then you know that you haven't done it properly. Delete the new app from the Simulator, make some changes in Xcode and install to the Simulator again. Repeat until it actually just installs over the top of the original app.
Topic: App Store Distribution & Marketing SubTopic: General
3w
RealityKit animation with bindTarget: .opacity doesn't work
I want to fade objects in and out, and while setting an entity's OpacityComponent works, animating it doesn't seem to do anything. In the following code the second sphere should fade out, but it keeps its initial opacity. On the other hand, the animation that changes its transform works. What am I doing wrong? class ViewController: NSViewController { override func loadView() { let arView = ARView(frame: NSScreen.main!.frame) let anchor = AnchorEntity(.world(transform: matrix_identity_float4x4)) arView.scene.addAnchor(anchor) let sphere = ModelEntity(mesh: .generateSphere(radius: 0.5)) anchor.addChild(sphere) sphere.components.set(OpacityComponent(opacity: 0.1)) let sphere2 = ModelEntity(mesh: .generateSphere(radius: 0.5)) sphere2.position = .init(x: 0.2, y: 0, z: 0) anchor.addChild(sphere2) sphere2.components.set(OpacityComponent(opacity: 0.1)) sphere.playAnimation(try! AnimationResource.makeActionAnimation(for: FromToByAction(to: 0, timing: .linear), duration: 1, bindTarget: .opacity)) sphe
Topic: Graphics & Games SubTopic: RealityKit Tags:
4
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391
3w
Swift Student Challenge environment selection question (iOS 26)
Hello, I recently submitted my Swift Student Challenge app playground (“Crest”) and realized after submission that I accidentally selected Swift Playgrounds as the software to run it, instead of Xcode 26 or later. My project builds and runs successfully in Xcode 26 using the iOS 26 SDK and simulator. However, when opening the same .swiftpm project in the Swift Playgrounds app on iPad, it does not compile because Swift Playgrounds currently only supports up to iOS 18 SDK and does not support iOS 26 APIs. The submission itself is complete, builds correctly in Xcode, and was submitted before the deadline. The incorrect selection of Swift Playgrounds was an honest mistake during the submission process. I wanted to ask whether reviewers are able to run the submission using Xcode 26 in cases like this, or if there is anything I should do. Thank you very much for your time.
Topic: Community SubTopic: Swift Student Challenge Tags:
1
0
284
3w
Swift Student Challenge environment selection question (iOS 26)
Hello, I recently submitted my Swift Student Challenge app playground and realized after submission that I accidentally selected Swift Playgrounds as the software to run it, instead of Xcode 26 or later. My project builds and runs successfully in Xcode 26 using the iOS 26 SDK and simulator. However, when opening the same .swiftpm project in the Swift Playgrounds app on iPad, it does not compile because Swift Playgrounds currently only supports up to iOS 18 SDK and does not support iOS 26 APIs. The submission itself is complete, builds correctly in Xcode, and was submitted before the deadline. The incorrect selection of Swift Playgrounds was an honest mistake during the submission process. I wanted to ask whether reviewers are able to run the submission using Xcode 26 in cases like this, or if there is anything I should do. Thank you very much for your time.
Topic: Community SubTopic: Swift Student Challenge
3
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378
3w
Reply to How to enable MIE on MacOS
On macOS with Apple Silicon, Memory Integrity Enforcement (MIE) combined with Arm Memory Tagging Extension (MTE) can be a fantastic way to spot heap memory issues. While stack sanitizer support for MTE is generally easier to set up, enabling heap tagging usually requires some specific settings or environment variables. These might not be as well-documented or easily accessible as on other platforms like Linux. Here are a few ways you might try to enable heap tagging with MTE on macOS: Environment Variables: Apple’s documentation and developer tools might not list environment variables for controlling MTE heap tagging as clearly as they do for some other sanitizers. However, you can often find what you need by experimenting with variables that are usually used for debugging and runtime settings. Some common variables to try include: MallocStackLogging: This is mainly for logging the stack, but sometimes related environment variables can affect how the memory allocator works. DYLD_INSERT_LIBRARIES: You might tr
Topic: Community SubTopic: Apple Developers
3w
Xcode hangs on git network operations
In Xcode 26.3 and 26.4, when I use Xcode's built-in git functionality to do a pull or fetch, Xcode presents a dialog saying it's performing the operation, but it never completes. The dialog remains on screen with a spinner. My remote repos are stored on a Mac mini on my local network and I access them via SSH. The git command line works fine, as does the tool Git Tower. I've filed this as FB22091014. Has anyone else seen this, and if so, found a solution?
Topic: Developer Tools & Services SubTopic: Xcode Tags:
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79
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How can I change the output dimensions of a CoreML model in Xcode when the outputs come from a NonMaximumSuppression layer?
After exerting a custom model with nms=True. In Xcode, the outputs show as: confidence: MultiArray (0 × 5) coordinates: MultiArray (0 × 4) I want to set fixed shapes (e.g., 100 × 5, 100 × 4), but Xcode does not allow editing—the shape fields are locked. The model graph shows both outputs come directly from a NonMaximumSuppression layer. Is it possible to set fixed output dimensions for NMS outputs in CoreML?
Topic: Machine Learning & AI SubTopic: Core ML Tags:
2
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218
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Rapport de Bug : Problème Entitlements Family Controls / EAS Build
Le build iOS via EAS échoue systématiquement lors de la phase Xcode. Bien que les capacités Family Controls et App Groups soient activées sur le portail Apple Developer et configurées dans le app.json, les profils de provisionnement générés par EAS sont rejetés par Xcode car ils ne contiendraient pas les droits nécessaires. Configuration du projet : Targets (4) : App principale + 3 extensions (ShieldConfiguration, ShieldAction, ActivityMonitorExtension). Capabilities requises : Family Controls (Development), App Groups. EAS CLI Version : 18.0.6 (et versions antérieures testées). Erreur Xcode récurrente : error: Provisioning profile [expo] com.*****.*** AdHoc 177230... doesn't support the Family Controls (Development) capability.. error: Provisioning profile ... AdHoc ... doesn't include the com.apple.developer.family-controls entitlement.. Ce qui a déjà été tenté (sans succès) : Configuration app.json : Ajout manuel des entitlements pour le bundle principal et configuration du plugi
Topic: Developer Tools & Services SubTopic: General Tags:
1
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68
3w
AlarmKit sometimes creates a blank (empty) Live Activity
Hi! My users have reported (and I have observed) a blank Live Activity where only a black capsule is shown in the dynamic island. When tapping that capsule, the app opens, but inside the capsule, nothing is shown. The Live Activity is created through the AlarmKit API like this: let identifier = UUID() Task { do { _ = try await AlarmManager.shared.schedule( id: identifier, configuration: .init( countdownDuration: countdownDuration, attributes: attributes, stopIntent: CancelTimerIntent(), secondaryIntent: RestartTimerIntent(), sound: Settings.shared.systemAlarmToneEnabled ? .default : .named(Settings.shared.alarmTone[.loop].filename) ) ) Log.debug(Alarm scheduled successfully: (identifier.uuidString)) } catch { Log.error(Error scheduling alarm with id (identifier.uuidString), error: (error)) } } I've read some other forum posts where developers reported the same issue: https://developer.apple.com/forums/thread/807335 https://developer.apple.com/forums/thread/812006 I assume, it has something to do with state ma
Topic: App & System Services SubTopic: Widgets & Live Activities
1
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91
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App group broken on Sequoia
We've got an in-house Swift macOS desktop app with a FileProvider extension, which has been working fine on various machines up through Sonoma (and still does). We've just installed it on a Sequoia machine, and on it the FileProvider extension has lost the ability to access the shared app group. It can neither log to the Group Containers folder under ~/Library, nor access the pipe to the main app. The group name is formatted as group.XXXXXXXXXX.com.orgname.appname in both targets. I'm not sure why it combines the iOS and macOS conventions, with both the group prefix and the teamIdentifier one -- it was first built some time before the point in 2025 when macOS supported iOS-style groups -- but again, it's been working. For the record, The provisioning profile for EMPFileProvider has the App Groups capability enabled, and the App Groups capability is present in both build targets in Xcode. The existing group identifier is registered on the website; I've also manually registered the team-ID-less group n
Topic: Code Signing SubTopic: Entitlements Tags:
8
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293
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TestFlight glitch
An app build is uploaded using Xcode 26.3 RC and fully validated/provisioned/processed at AppStoreConnect that shows build is Complete/Ready to Test Export compliance has been done Internal testers have been added to internal testing group Internal testers have accepted invite App is visible with all details in Test Flight on testers' iPhones (running 26.3 final) Internal testers tap App but Install button NEVER appears and testers get request for code to redeem app but invitation email does NOT include redeem code Testers cannot download and install app What is going on with TestFlight Apple?
Topic: App Store Distribution & Marketing SubTopic: TestFlight Tags:
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51
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Reply to Which tools and concepts are essential to learn first in iOS development?
Certainly the material on developer.apple.com, but also check out HackingWithSwift.com, Kodeco.com, the vidos that Stewart Lynch does on youtube, and lastly learn by doing... the new XCode has adaptive learning with where the compiler helps you complete the code you type :D
Topic: App Store Distribution & Marketing SubTopic: App Store Connect Tags:
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3w
Metal Shader inside Swift Package not found?
Hello everyone! I am trying to wrap a ViewModifier inside a Swift Package that bundles a metal shader file to be used in the modifier. Everything works as expected in the Preview, in the Simulator and on a real device for iOS. It also works in Preview and in the Simulator for tvOS but not on a real AppleTV. I have tried this on a 4th generation Apple TV running tvOS 26.3 using Xcode 26.2.0. Xcode logs the following: The metallib is processed and exists in the bundle. Compiler failed to build request precondition failure: pipeline error: custom_effect-fg2a5cia7fmha4: error: unresolved visible function reference: custom_fn Reason: visible function not loaded Compiler failed to build request precondition failure: pipeline error: custom_effect-fg2a5cia7fmha4: error: unresolved visible function reference: custom_fn Reason: visible function not loaded Compiler failed to build request precondition failure: pipeline error: custom_effect-fg2a5cia7fmha4: error: unresolved visible function reference: c
Topic: Graphics & Games SubTopic: Metal Tags:
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0
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0
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336
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3w
Reply to Wrote a new app but wanted it to be upgrade of oler app?
Don't you have to have created a new app in App Store Connect for Xcode to upload it? Otherwise, Xcode doesn't know where the app should go. Not sure how you achieve this, but before making any more attempts at uploading to App Store Connect, install your old app on the Simulator, then run the new app and install it to the Simulator. If you get two different apps, then you know that you haven't done it properly. Delete the new app from the Simulator, make some changes in Xcode and install to the Simulator again. Repeat until it actually just installs over the top of the original app.
Topic: App Store Distribution & Marketing SubTopic: General
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Views
Activity
3w
RealityKit animation with bindTarget: .opacity doesn't work
I want to fade objects in and out, and while setting an entity's OpacityComponent works, animating it doesn't seem to do anything. In the following code the second sphere should fade out, but it keeps its initial opacity. On the other hand, the animation that changes its transform works. What am I doing wrong? class ViewController: NSViewController { override func loadView() { let arView = ARView(frame: NSScreen.main!.frame) let anchor = AnchorEntity(.world(transform: matrix_identity_float4x4)) arView.scene.addAnchor(anchor) let sphere = ModelEntity(mesh: .generateSphere(radius: 0.5)) anchor.addChild(sphere) sphere.components.set(OpacityComponent(opacity: 0.1)) let sphere2 = ModelEntity(mesh: .generateSphere(radius: 0.5)) sphere2.position = .init(x: 0.2, y: 0, z: 0) anchor.addChild(sphere2) sphere2.components.set(OpacityComponent(opacity: 0.1)) sphere.playAnimation(try! AnimationResource.makeActionAnimation(for: FromToByAction(to: 0, timing: .linear), duration: 1, bindTarget: .opacity)) sphe
Topic: Graphics & Games SubTopic: RealityKit Tags:
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4
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0
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391
Activity
3w
Swift Student Challenge environment selection question (iOS 26)
Hello, I recently submitted my Swift Student Challenge app playground (“Crest”) and realized after submission that I accidentally selected Swift Playgrounds as the software to run it, instead of Xcode 26 or later. My project builds and runs successfully in Xcode 26 using the iOS 26 SDK and simulator. However, when opening the same .swiftpm project in the Swift Playgrounds app on iPad, it does not compile because Swift Playgrounds currently only supports up to iOS 18 SDK and does not support iOS 26 APIs. The submission itself is complete, builds correctly in Xcode, and was submitted before the deadline. The incorrect selection of Swift Playgrounds was an honest mistake during the submission process. I wanted to ask whether reviewers are able to run the submission using Xcode 26 in cases like this, or if there is anything I should do. Thank you very much for your time.
Topic: Community SubTopic: Swift Student Challenge Tags:
Replies
1
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0
Views
284
Activity
3w
Swift Student Challenge environment selection question (iOS 26)
Hello, I recently submitted my Swift Student Challenge app playground and realized after submission that I accidentally selected Swift Playgrounds as the software to run it, instead of Xcode 26 or later. My project builds and runs successfully in Xcode 26 using the iOS 26 SDK and simulator. However, when opening the same .swiftpm project in the Swift Playgrounds app on iPad, it does not compile because Swift Playgrounds currently only supports up to iOS 18 SDK and does not support iOS 26 APIs. The submission itself is complete, builds correctly in Xcode, and was submitted before the deadline. The incorrect selection of Swift Playgrounds was an honest mistake during the submission process. I wanted to ask whether reviewers are able to run the submission using Xcode 26 in cases like this, or if there is anything I should do. Thank you very much for your time.
Topic: Community SubTopic: Swift Student Challenge
Replies
3
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0
Views
378
Activity
3w
Reply to How to enable MIE on MacOS
On macOS with Apple Silicon, Memory Integrity Enforcement (MIE) combined with Arm Memory Tagging Extension (MTE) can be a fantastic way to spot heap memory issues. While stack sanitizer support for MTE is generally easier to set up, enabling heap tagging usually requires some specific settings or environment variables. These might not be as well-documented or easily accessible as on other platforms like Linux. Here are a few ways you might try to enable heap tagging with MTE on macOS: Environment Variables: Apple’s documentation and developer tools might not list environment variables for controlling MTE heap tagging as clearly as they do for some other sanitizers. However, you can often find what you need by experimenting with variables that are usually used for debugging and runtime settings. Some common variables to try include: MallocStackLogging: This is mainly for logging the stack, but sometimes related environment variables can affect how the memory allocator works. DYLD_INSERT_LIBRARIES: You might tr
Topic: Community SubTopic: Apple Developers
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Activity
3w
Xcode hangs on git network operations
In Xcode 26.3 and 26.4, when I use Xcode's built-in git functionality to do a pull or fetch, Xcode presents a dialog saying it's performing the operation, but it never completes. The dialog remains on screen with a spinner. My remote repos are stored on a Mac mini on my local network and I access them via SSH. The git command line works fine, as does the tool Git Tower. I've filed this as FB22091014. Has anyone else seen this, and if so, found a solution?
Topic: Developer Tools & Services SubTopic: Xcode Tags:
Replies
1
Boosts
0
Views
79
Activity
3w
How can I change the output dimensions of a CoreML model in Xcode when the outputs come from a NonMaximumSuppression layer?
After exerting a custom model with nms=True. In Xcode, the outputs show as: confidence: MultiArray (0 × 5) coordinates: MultiArray (0 × 4) I want to set fixed shapes (e.g., 100 × 5, 100 × 4), but Xcode does not allow editing—the shape fields are locked. The model graph shows both outputs come directly from a NonMaximumSuppression layer. Is it possible to set fixed output dimensions for NMS outputs in CoreML?
Topic: Machine Learning & AI SubTopic: Core ML Tags:
Replies
2
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0
Views
218
Activity
3w
Reply to Xcode 26.3 RC - Claude Agent returns "Your request couldn't be completed"
Try 'logging' in with your API key. Xcode : Settings : Intelligence : Providers : Anthropic after downloading the Claude Agent. I wasn't able to use my free account by signing in but it works (for now) when I entered my API key
Topic: Developer Tools & Services SubTopic: Xcode Tags:
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Rapport de Bug : Problème Entitlements Family Controls / EAS Build
Le build iOS via EAS échoue systématiquement lors de la phase Xcode. Bien que les capacités Family Controls et App Groups soient activées sur le portail Apple Developer et configurées dans le app.json, les profils de provisionnement générés par EAS sont rejetés par Xcode car ils ne contiendraient pas les droits nécessaires. Configuration du projet : Targets (4) : App principale + 3 extensions (ShieldConfiguration, ShieldAction, ActivityMonitorExtension). Capabilities requises : Family Controls (Development), App Groups. EAS CLI Version : 18.0.6 (et versions antérieures testées). Erreur Xcode récurrente : error: Provisioning profile [expo] com.*****.*** AdHoc 177230... doesn't support the Family Controls (Development) capability.. error: Provisioning profile ... AdHoc ... doesn't include the com.apple.developer.family-controls entitlement.. Ce qui a déjà été tenté (sans succès) : Configuration app.json : Ajout manuel des entitlements pour le bundle principal et configuration du plugi
Topic: Developer Tools & Services SubTopic: General Tags:
Replies
1
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0
Views
68
Activity
3w
AlarmKit sometimes creates a blank (empty) Live Activity
Hi! My users have reported (and I have observed) a blank Live Activity where only a black capsule is shown in the dynamic island. When tapping that capsule, the app opens, but inside the capsule, nothing is shown. The Live Activity is created through the AlarmKit API like this: let identifier = UUID() Task { do { _ = try await AlarmManager.shared.schedule( id: identifier, configuration: .init( countdownDuration: countdownDuration, attributes: attributes, stopIntent: CancelTimerIntent(), secondaryIntent: RestartTimerIntent(), sound: Settings.shared.systemAlarmToneEnabled ? .default : .named(Settings.shared.alarmTone[.loop].filename) ) ) Log.debug(Alarm scheduled successfully: (identifier.uuidString)) } catch { Log.error(Error scheduling alarm with id (identifier.uuidString), error: (error)) } } I've read some other forum posts where developers reported the same issue: https://developer.apple.com/forums/thread/807335 https://developer.apple.com/forums/thread/812006 I assume, it has something to do with state ma
Topic: App & System Services SubTopic: Widgets & Live Activities
Replies
1
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0
Views
91
Activity
3w
Reply to The APP was not awakened after start a liveactivity
when the liveactivity has showed on lock screen. Your App has launched by system,you can use Xcode to step into Debug->Attach to Process->Your Process.
Topic: App & System Services SubTopic: Notifications Tags:
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App group broken on Sequoia
We've got an in-house Swift macOS desktop app with a FileProvider extension, which has been working fine on various machines up through Sonoma (and still does). We've just installed it on a Sequoia machine, and on it the FileProvider extension has lost the ability to access the shared app group. It can neither log to the Group Containers folder under ~/Library, nor access the pipe to the main app. The group name is formatted as group.XXXXXXXXXX.com.orgname.appname in both targets. I'm not sure why it combines the iOS and macOS conventions, with both the group prefix and the teamIdentifier one -- it was first built some time before the point in 2025 when macOS supported iOS-style groups -- but again, it's been working. For the record, The provisioning profile for EMPFileProvider has the App Groups capability enabled, and the App Groups capability is present in both build targets in Xcode. The existing group identifier is registered on the website; I've also manually registered the team-ID-less group n
Topic: Code Signing SubTopic: Entitlements Tags:
Replies
8
Boosts
0
Views
293
Activity
3w
TestFlight glitch
An app build is uploaded using Xcode 26.3 RC and fully validated/provisioned/processed at AppStoreConnect that shows build is Complete/Ready to Test Export compliance has been done Internal testers have been added to internal testing group Internal testers have accepted invite App is visible with all details in Test Flight on testers' iPhones (running 26.3 final) Internal testers tap App but Install button NEVER appears and testers get request for code to redeem app but invitation email does NOT include redeem code Testers cannot download and install app What is going on with TestFlight Apple?
Topic: App Store Distribution & Marketing SubTopic: TestFlight Tags:
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0
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0
Views
51
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3w