I have designed a new icon for my app/Tahoe in Icon Composer (launched from within Xcode)but I simply cannot get it to show up. The documentation for Icon Composer spends a lot of time describing how to design the icons but goes distressingly vague/silent on how one might use it. It suggests that I should drag the file to Xcode and it will guide me as to where to put it. The app continues to use the old (pre-Tahoe) icon. I don't get any change of behaviour and I don't know what to name the file. I assume that there are no other settings that I have to change. I can't find anything on the web or in Apple's documentation: maybe I'm missing something obvious! My app is a working NSDocument-based Cocoa project. Any suggestions please. Tahoe 26.0.1, Xcode 26.0.1, Apple M1 Max MBP.

I am building a bundle target for macOS 12 and later using Xcode. The bundle is not a standalone app, but a plug-in that is loaded by a host app. The code is written in Swift and uses the new Span API which is available in the OS-provided standard library in macOS 26 and backdeploys to macOS 10.14.4+. Xcode should instruct the linker to include libswiftCompatibilitySpan.dylib in the compiled bundle to provide this backdeployment, but that does not happen. SwiftPM does this additional linking by adding an rpath. When trying to load the bundle using the NSBundle.loadAndReturnError() API, I get the following error on macOS 15 (and no error on macOS 26): Error Domain=NSCocoaErrorDomain Code=3588 "dlopen(.../MyBundle.someBundle/Contents/MacOS/MyBundle, 0x0109): Library not loaded: @rpath/libswiftCompatibilitySpan.dylib Referenced from: <CE92806C-94B7-367E-895D-EF6DF66C7FC2> .../MyBundle.someBundle/Contents/MacOS/MyBundle Reason: tried: '/usr/lib/swift/libswiftCompatibilitySpan.dylib' (no such file, not in dyld cache), '/System/Volumes/Preboot/Cryptexes/OS/usr/lib/swift/libswiftCompatibilitySpan.dylib' (no such file), '/private/Frameworks/libswiftCompatibilitySpan.dylib' (no such file), '.../MyBundle.someBundle/Contents/MacOS/../Frameworks/libswiftCompatibilitySpan.dylib' (no such file), '/usr/lib/swift/libswiftCompatibilitySpan.dylib' (no such file, not in dyld cache), '/System/Volumes/Preboot/Cryptexes/OS/usr/lib/swift/libswiftCompatibilitySpan.dylib' (no such file), '/private/Frameworks/libswiftCompatibilitySpan.dylib' (no such file), '.../MyBundle.someBundle/Contents/MacOS/../Frameworks/libswiftCompatibilitySpan.dylib' (no such file)" UserInfo={NSLocalizedFailureReason=The bundle couldn’t be loaded., NSLocalizedRecoverySuggestion=Try reinstalling the bundle., NSFilePath=.../MyBundle.someBundle/Contents/MacOS/MyBundle, NSDebugDescription=dlopen(.../MyBundle.someBundle/Contents/MacOS/MyBundle, 0x0109): Library not loaded: @rpath/libswiftCompatibilitySpan.dylib Referenced from: <CE92806C-94B7-367E-895D-EF6DF66C7FC2> .../MyBundle.someBundle/Contents/MacOS/MyBundle Reason: tried: '/usr/lib/swift/libswiftCompatibilitySpan.dylib' (no such file, not in dyld cache), '/System/Volumes/Preboot/Cryptexes/OS/usr/lib/swift/libswiftCompatibilitySpan.dylib' (no such file), '/private/Frameworks/libswiftCompatibilitySpan.dylib' (no such file), '.../MyBundle.someBundle/Contents/MacOS/../Frameworks/libswiftCompatibilitySpan.dylib' (no such file), '/usr/lib/swift/libswiftCompatibilitySpan.dylib' (no such file, not in dyld cache), '/System/Volumes/Preboot/Cryptexes/OS/usr/lib/swift/libswiftCompatibilitySpan.dylib' (no such file), '/private/Frameworks/libswiftCompatibilitySpan.dylib' (no such file), '.../MyBundle.someBundle/Contents/MacOS/../Frameworks/libswiftCompatibilitySpan.dylib' (no such file), NSBundlePath=.../MyBundle.someBundle, NSLocalizedDescription=The bundle “MyBundle” couldn’t be loaded.} My setup: Xcode 26.2 macOS 26.2 (25C57) SDK (Built-in)

Hello! When launching/debugging on my iPad and iPhone I keep getting the following error: “Previous preparation error: Failed to find a DDI … Run ‘devicectl list preferredDDI’ …” I believe this was caused by a previously interrupted Xcode update around June due to low disk space, which may have left DeviceSupport/DDI/CoreDevice files incomplete. Even after finishing the update later, the error persists. I now use a new Mac with 4 TB of storage, but the issue still occurs. Since then I have unfortunately been blocked from testing or presenting my app on devices. It seems that only a new, fully completed Xcode update might resolve the problem. Tried so far: – Cleared caches (CoreDevice/Devices) – Reset trust on device and re-paired – Checked devicectl list preferredDDI I would really appreciate guidance, as at the moment I cannot present my app due to this blocking issue. Thank you very much for your support!

I downloaded the latest version of Xcode 26 (beta). I'm running Max OS 15.5. How can I use Claude 4 Opus? I can't wait to try this out. Thanks in advance!

At the Platform State of the Union, Apple demoed clicking a ✨ button in the Xcode toolbar to use Apple Intelligence in Xcode. I don't see that button in Xcode Version 26.0 beta (17A5241e). Am I missing it? It's supposed to be in the upper-left corner, right? Do I need to turn it on or something? I'm on macOS 15.5 Sequoia, on a 16-inch, 2021 MacBook Pro

Hi everyone, (you can answer in french) I’m french-rookie in xcode, and I have a problem: I’m trying to choice my custom font to add it in my Main.storyboard button, but it not works. I have my « Font provided by application » line in my Info.plist, with the name of my font in [0] (See images below) When I’m on storyboard button, I chose « custom » in font selector, then display font list but my custom font doesn’t appear. I already tried to install the font in my mac, but still stucked, nothing change 😭 Could you help me please? Thanks a lot (I specify that I scrupulously followed the way of doing explained on the Apple official page: Adding a Custom Font to Your App )

Hi! In neither Xcode 16.2 beta 3 nor Xcode 16.2 I am able to get App Shortcuts Preview to recognise my Shortcuts. In either supported language I always get "No Matching Intent" as the result. Flexible matching is enabled, minimum deployment target is iOS 18. The Shortcut phrases do work in the simulator and on device. Is this a known issue or am I missing something?

I'm getting EXC_BAD_ACCESS (code=2, address=0x7ff8a6e2fcce) when launching my app on the simulator with Address or Thread Sanitizer enabled. I'm running Xcode 16.3 (16E140) on macOS Sequoia 15.4.1 (24E263). The call stack looks like the following. On the device, there is no crash, but this message is printed to the console: malloc: nano zone abandoned due to inability to reserve vm space. (Not sure if it's related.) Does anybody know what is causing the crash? Thread 1 #0 0x0000000103361f5b in __sanitizer::MemoryMappingLayout::Next () #1 0x000000010336034b in __sanitizer::MemoryRangeIsAvailable () #2 0x000000010334db77 in __asan::InitializeShadowMemory () #3 0x0000000103395069 in __asan::AsanInitInternal() (.cold.1) () #4 0x000000010334d352 in __asan::AsanInitInternal () #5 0x0000000103394f65 in __asan_init.cold.1 () #6 0x000000010334d325 in __asan::AsanInitFromRtl () #7 0x0000000103343289 in wrap_malloc_default_zone () #8 0x00007ff801b15f86 in __malloc_init () #9 0x00007ffa160080be in libSystem_initializer () #10 0x000000010306eb11 in invocation function for block in dyld4::Loader::findAndRunAllInitializers(dyld4::RuntimeState&) const () #11 0x000000010308f364 in invocation function for block in dyld3::MachOAnalyzer::forEachInitializer(Diagnostics&, dyld3::MachOAnalyzer::VMAddrConverter const&, void (unsigned int) block_pointer, void const*) const () #12 0x00000001030aad7c in invocation function for block in mach_o::Header::forEachSection(void (mach_o::Header::SectionInfo const&, bool&) block_pointer) const () #13 0x00000001030a83c9 in mach_o::Header::forEachLoadCommand () #14 0x00000001030a98c8 in mach_o::Header::forEachSection () #15 0x000000010308ef62 in dyld3::MachOAnalyzer::forEachInitializer () #16 0x000000010306e9ac in dyld4::Loader::findAndRunAllInitializers () #17 0x0000000103074da1 in dyld4::JustInTimeLoader::runInitializers () #18 0x00000001030807c5 in dyld4::APIs::runAllInitializersForMain () #19 0x000000010305efac in dyld4::prepare () #20 0x000000010305e36e in _dyld_sim_prepare () #21 0x000000010993b2a0 in dyld4::prepareSim () #22 0x0000000109939963 in dyld4::prepare () #23 0x000000010993981f in dyld4::start(dyld4::KernelArgs*, void*, void*)::$_0::operator()() const () #24 0x00000001099394da in start ()

I am using SwiftData for my model. Until Xcode 15 beta 4 I did not have issues. Since beta 5 I am receiving the following red warning multiple times: 'NSKeyedUnarchiveFromData' should not be used to for un-archiving and will be removed in a future release This seems to be a CoreData warning. However, I am not using CoreData directly. I have no way to change the config of CoreData as used by SwiftData. My model just uses UUID, Int, String, Double, some of them as optionals or Arrays. I only use one attribute (.unique).

Hi everyone. I have the following code that I am trying to execute in Xcode. I then install it on my iPhone. It doesn't run at all and I don't know why. Any thoughts? Thank you. import CoreMotion class MyViewController: UIViewController { let motionManager = CMMotionManager() func startAccelerometer() { if motionManager.isAccelerometerAvailable { motionManager.accelerometerUpdateInterval = 0.1 // 10 updates per second motionManager.startAccelerometerUpdates(to: .main) { (data, error) in guard let accelerometerData = data else { return } let x = accelerometerData.acceleration.x let y = accelerometerData.acceleration.y let z = accelerometerData.acceleration.z // Process the x, y, and z acceleration values here print("X: \(x), Y: \(y), Z: \(z)") } } } }

I keep getting a fails to open page message when I try to sign in using my Claude ai Pro account. The request was for an http url instead of an https url.

Hi, I’m facing a consistent simulator boot issue that appears to start after iOS 18.2 simulator runtimes and persists in 18.6, 26.1, and 26.2. Observed behavior iOS 18.2 simulator works fine iOS 18.6 simulator does NOT boot iOS 26.1 / 26.2 simulators do NOT boot Tried everything reinstall/clear cache and all and event formatted the system Unable to boot the Simulator NSPOSIXErrorDomain Code: 4 Failure Reason: Interrupted system call Failed to start launchd_sim: could not bind to session, launchd_sim may have crashed or quit responding macOS: Sequoia Xcode: 26.1, 26.2 Machine: Apple Silicon Unable to boot the Simulator. Domain: NSPOSIXErrorDomain Code: 4 Failure Reason: Interrupted system call User Info: { DVTErrorCreationDateKey = "2025-12-26 02:19:27 +0000"; IDERunOperationFailingWorker = "_IDEInstalliP.honeSimulatorWorker", Session = "com apple CoreSimulator.SimDevice CCDECA56-4A59-491B-A830-0F3928FCD957"; } Failed to start launchd_sim: could not bind to session, launchd_sim may have crashed or quit responding Domain: com.apple.SimLaunchHostService.RequestError Code: 4 Event Metadata: com.apple. dt. DERunOperationWorkerFinished : { "device_identifier" = "CCDECAE6-4A59-491B-A830-0E3928FCD957"; "device_model" = "iPhone18, 1"; "device_osBuild" = "26.1 (23B86)"; "device_osBuild_monotonic" = 2301008600; "device_os_variant" = 1; "device_platform" = "com apple.platform.iohonesimulator"; "device_platform_family" = 2; "device_reality" = 2; "device_thinningType" = "iPhone18,1"; "device_transport" = 4; "launchSession_schemeCommand" = Run; "launchSession_schemeCommand_enum" = 1; "launchSession_targetArch" = arm64; "launchSession_targetArch_enum" = 6; "operation_duration_ms" = 1183; "operation_errorCode" = 4; "operation_errorDomain" = NSPOSIXErrorDomain; "operation_errorWorker" = "_IDEInstalliPhoneSimulatorWorker"; "operation_error_reportable" = 1; "operation_name" = IDERunOperationWorkerGroup; "param_consoleMode" = 1; "param_debugger_attachToExtensions" = 0; "param_debugger_attachToXPC" = 1; "param_debugger_type" = 3; "param_destination_isProxy" = 0; "param_destination_platform" = "com apple platform Please help on this as it got stuck. Thanks

why xcode has no option to fold all

I have the new Xcode 26.3 running on an Intel MBP macOS 26.2 I have clicked to download Codex in the Xcode settings, then under the Intelligence section I select Codex but where it says "ChatGPT Account" there is a spinner that never ends. I suspect it is meant to show a Sign In button. I don't see any documentation to suggest this shouldn't work on Intel, so what gives? My "ChatGPT in Xcode" section is successfully signed in, and i've tried signing that out.

I just noticed this today while building a React Native app. Anybody else seen this and know what it means/how to track it down/how to fix it

90714: Invalid binary. The app contains one or more corrupted binaries. Please rebuild the app and resubmit. 我开发的OC项目，三个月前打包分发还没有问题，半个月前开始就一直报这个错。查了很多资料都无法解决，所有的SDK也都升级了，还是报这个错，麻烦Apple的工程师帮忙指正一下问题，如何解决这个问题。

Fails to gather code coverage and throws this error Showing All Messages Failed to merge raw profiles in directory /Users//Library/Developer/Xcode/DerivedData/Receiver-ekqrbpsaciuxmlfslviajhoecyat/Build/ProfileData/0B0C6B69-FD46-4801-B106-56B7FCD44370 to destination /Users//Library/Developer/Xcode/DerivedData/Receiver-ekqrbpsaciuxmlfslviajhoecyat/Build/ProfileData/0B0C6B69-FD46-4801-B106-56B7FCD44370/Coverage.profdata: Aggregation tool '/Users/shwethamugeraya/Downloads/Xcode 2.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/llvm-profdata' failed with exit code 1: warning: /Users/shwethamugeraya/Library/Developer/Xcode/DerivedData/Receiver-ekqrbpsaciuxmlfslviajhoecyat/Build/ProfileData/0B0C6B69-FD46-4801-B106-56B7FCD44370/2F4EFBF7-1CCF-4E9E-8FD6-482EEDB98B6C-34646.profraw: raw profile version mismatch: Profile uses raw profile format version = 4; expected version = 8 PLEASE update this tool to version in the raw profile, or regenerate raw profile with expected version. error: no profile can be merged

Hi, run into this error today: Failed to verify code signature of /var/installd/Library/Caches/com.apple.mobile.installd.staging/temp.QJh2l0/extracted/MyAwesome.app : 0xe8008015 (A valid provisioning profile for this executable was not found.) Project is an AUv3 app + extension. It builds and install fine on MacOS. It builds on iPad but can't install : that's when the error appears. Regarding provisioning files, I use Automatic manage signing and I can see that the Xcode Managed Profile looks fine an includes my iPad. The only thing I see that differ from other projects is that as an AUv3 project, I have both and App (host) and extension projects. Thus the bundle identifier for this extension project is not the same as it seems I have to use different identifiers. So app bundle id is x.y while extension is x.y.z (same x.y base)) Last but not least the project and IPA can be built fine on XCode Cloud. (Although I can't download the artifacts but it seems it's the same problem for many of us today...) macOS Version 15.4 (Build 24E248) Xcode 16.2 (23507) (Build 16C5032a) Thanks in advance for your help :)

I have a Xcode project with two apps that have a separate MainMenu.nib file. Both are different apps with different source trees.. Why am I seeing resources in interface builder from one app in another? I am a bit old school and using the AppDelegate rather than view controllers to capture events... but that should work fine Thanks ahead of time.

Issue : When creating a new project in Xcode 26.0 and adding a Share Extension target without modifying any code, the app crashes upon displaying the extension screen with the following error: *** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'The layout constraints still need update after sending -updateConstraints to <_UINavigationBarTitleControl: 0x105b9cc00; frame = (0 0; 0 0); layer = <CALayer: 0x10b834270>>. _UINavigationBarTitleControl or one of its superclasses may have overridden -updateConstraints without calling super. Or, something may have dirtied layout constraints in the middle of updating them. Both are programming errors.' Environment : Xcode 26.0 iOS 26.0 (physical device) Note: This issue does not occur when running on iOS 18.3.1 (physical device). Temporary Workaround : Adding the following implementation to the isContentValid method prevents the exception from occurring: Objective-C- (BOOL)isContentValid { // Do validation of contentText and/or NSExtensionContext attachments here if (@available(iOS 26, *)) { self.navigationController.navigationBarHidden = YES; } return YES; } Questions : Is there any alternative way to avoid this exception? Since this crash occurs with the default implementation generated by Xcode, is there any plan to fix it in future updates?