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Device Hub sucks
Or maybe I suck? Is there really no way with the new Xcode to take a simple screenshot from the device you're testing?You have to connect this Device Hub? An entirely separate app. And not only that, then you have to pair it, which maintains a live connection to the phone? Fine. Okay then. But now I can no longer test the microphone functions of my app because that shared session is interfering with it. Oh, well, I'll just disconnect the session then, right? Nope. The button to disconnect the session doesn't work. Device Hub thinks it's disconnected, but my phone still shows the blue sharing session icon in the upper left hand corner. The only way to stop that is to unpair the phone completely. So then every time I want to take a screenshot, I've got to do this pairing crap? I think I'll be running a second copy of Xcode 26 for quite a while just to use the screenshot button.
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Apple watch series 9 (OS 10.3) not showing up in xcode 15.1 under devices list.
When connecting my iphone (14pro with iOS 17.2.1) with a paired apple watch (series 9 with OS 10.3), it is not showing up on the devices/simulators list in xcode 15.1. Beyond unpairing/repairing the watch, restarting either iphone or watch, connecting/disconnecting the iphone from the computer or deleting xcode and re-installing xcode, any other suggestions? Under the WatchApp field it shows "no eligible device connected", however, under the console the Apple Watch does appear. I have tried just about everything and can't get the watch to appear in Xcode. I am running all this on a MacBook Pro with Sonoma. Thanks for any assistance!
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Xcode won't sign into ChatGPT Codex account anymore
As of May 8th, 2026, after I upgraded to "codex-cli 0.129.0" via Xcode, I can no longer sign into my ChatGPT account in Xcode Intelligence Settings. The Log In window is always successful, but the settings never update to show the login being successful. It's a constant loop. Perhaps a hand-shake fail. Versions: Tahoe 26.3.1, Xcode 26.4.1, codex-cli 0.129.0.
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Xcode Codex sign-in fails after updating OpenAI component
Environment: macOS: Tahoe 26.4 Xcode: 26.5 ChatGPT account successfully authenticated Codex CLI installed and working Codex App installed and working Steps to reproduce: Install Xcode Codex/OpenAI component version where GPT-5.4 is the highest available model. Sign in with ChatGPT account. Confirm Codex works in Xcode. Update the OpenAI/Codex component in Xcode. Attempt to sign in again. Expected result: Xcode completes authentication and shows signed-in status. Actual result: Browser successfully completes authentication and displays "Signed in to Codex." Xcode remains in a sign-in loop or shows "Not Signed In." Authentication never completes. Additional observations: Codex CLI authentication succeeds. Codex App authentication succeeds. ChatGPT web/app access succeeds. Anthropic/Claude component updates continue to work normally in Xcode. Issue appears specific to the updated OpenAI/Codex Xcode component. Older component (GPT-5.4 maximum model available) authenticates successfully.
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Xcode 27 incorrectly links a Catalyst binary, _UIFontTextStyleCallout Expected in AppKit
I have a personal iOS project that I also compile for macOS with Catalyst. When built with Xcode 26.x, everything is linked correctly. When built with Xcode 27 betas, the following runtime error occurs: Termination Reason: Namespace DYLD, Code 4, Symbol missing Symbol not found: _UIFontTextStyleCallout Referenced from: <046ED276-F81A-31B4-82FF-6DC82E9041BC> /Applications/Photo Library.app/Contents/MacOS/Photo Library Expected in: <298B64F6-9BC0-3BFB-BE72-EBDC2BE0FF19> /System/Library/Frameworks/AppKit.framework/Versions/C/AppKit Any assistance? Thanks
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SimCtl
Summary xcrun simctl install <valid.app> fails even though the app's Info.plist contains a correct, well-formed CFBundleIdentifier — verified independently with plutil -p. The app builds successfully via xcodebuild twice, under two different signing configurations. This is purely an install-time failure. ERROR · EVERY ATTEMPT An error was encountered processing the command (domain=IXErrorDomain, code=13): Simulator device failed to install the application. Missing bundle ID. Underlying error (domain=IXErrorDomain, code=13): Failed to get bundle ID from /QuestionsWeCarry.app Missing bundle ID. Environment MACOS 26.5.2 · Build 25F84 XCODE 26.6 · Build 17F113 SIMULATOR RUNTIME iOS 26.5 (23F77) HARDWARE Apple M5 KERNEL Darwin 25.5.0 arm64 XCODE.APP / SIMULATOR PLATFORM both freshly installed Xcode.app and the iOS Simulator platform were both freshly installed immediately before this was discovered — this may be a first-run / first-boot issue specific to this Xcode 26.6 + iOS 26.5 combination. Project being built A SwiftUI iOS app target generated via XcodeGen from project.yml, depending on a local Swift Package with four library products. Nothing exotic — no third-party SDKs, no CocoaPods, no entitlements file. PROJECT.YML — RELEVANT TARGET BLOCK PROJECT.YML targets: QuestionsWeCarry: type: application platform: iOS deploymentTarget: "17.0" sources: - path: App/Sources - path: App/Resources type: folder buildPhase: resources info: path: App/Info.plist properties: CFBundleDisplayName: "Questions We Carry" UILaunchScreen: {} ITSAppUsesNonExemptEncryption: false UIApplicationSceneManifest: UIApplicationSupportsMultipleScenes: false settings: base: PRODUCT_BUNDLE_IDENTIFIER: com.brodywolfstudio.questionswecarry MARKETING_VERSION: "1.0.0" CURRENT_PROJECT_VERSION: "1" SWIFT_VERSION: "5.10" TARGETED_DEVICE_FAMILY: "1,2" CODE_SIGN_STYLE: Manual CODE_SIGN_IDENTITY: "-" CODE_SIGNING_REQUIRED: NO CODE_SIGNING_ALLOWED: YES dependencies: - package: QWCKit product: QWCCore - package: QWCKit product: QWCEngine - package: QWCKit product: QWCStore - package: QWCKit product: QWCUI BUILD COMMAND THAT SUCCEEDS SHELL xcodebuild -project QuestionsWeCarry.xcodeproj -scheme QuestionsWeCarry -configuration Debug -destination "platform=iOS Simulator,id=" -derivedDataPath DerivedData build Result: BUILD SUCCEEDED, produces DerivedData/Build/Products/Debug-iphonesimulator/QuestionsWeCarry.app. INFO.PLIST INSIDE THE BUILT .APP (VIA PLUTIL -P) INFO.PLIST { "BuildMachineOSBuild" => "25F84" "CFBundleDevelopmentRegion" => "en" "CFBundleDisplayName" => "Questions We Carry" "CFBundleExecutable" => "QuestionsWeCarry" "CFBundleIdentifier" => "com.brodywolfstudio.questionswecarry" "CFBundleInfoDictionaryVersion" => "6.0" "CFBundleName" => "QuestionsWeCarry" "CFBundlePackageType" => "APPL" "CFBundleShortVersionString" => "1.0" "CFBundleSupportedPlatforms" => [ 0 => "iPhoneSimulator" ] "CFBundleVersion" => "1" "DTCompiler" => "com.apple.compilers.llvm.clang.1_0" "DTPlatformBuild" => "23F81a" "DTPlatformName" => "iphonesimulator" "DTPlatformVersion" => "26.5" "DTSDKBuild" => "23F81a" "DTSDKName" => "iphonesimulator26.5" "DTXcode" => "2660" "DTXcodeBuild" => "17F113" "ITSAppUsesNonExemptEncryption" => false "MinimumOSVersion" => "17.0" "UIApplicationSceneManifest" => { "UIApplicationSupportsMultipleScenes" => false } "UIDeviceFamily" => [ 0 => 1 1 => 2 ] "UILaunchScreen" => { } } CFBundleIdentifier is present, correctly formed, and matches PRODUCT_BUNDLE_IDENTIFIER. file confirms this is a valid Apple binary property list, not corrupted. CODESIGN -DV ON THE BUILT APP CODESIGN -DV Executable=/QuestionsWeCarry.app/QuestionsWeCarry Identifier=QuestionsWeCarry-******* Format=bundle with Mach-O thin (arm64) CodeDirectory v=20400 size=338 flags=0x2(adhoc) hashes=3+3 location=embedded Signature=adhoc Info.plist=not bound TeamIdentifier=not set Sealed Resources version=2 rules=13 files=4 Internal requirements count=0 size=12 Note Info.plist=not bound — unclear whether this is expected for an ad-hoc-signed bundle app (as opposed to a framework), or is itself a symptom of the underlying problem. Reproduction Minimal, reproducible with the plain command-line tool — no Claude tooling involved in this step: SHELL xcrun simctl install "iPhone 17 Pro" "/DerivedData/Build/Products/Debug-iphonesimulator/QuestionsWeCarry.app" Result (100% reproducible, every attempt): STDERR An error was encountered processing the command (domain=IXErrorDomain, code=13): Simulator device failed to install the application. Missing bundle ID. Underlying error (domain=IXErrorDomain, code=13): Failed to get bundle ID from /QuestionsWeCarry.app Missing bundle ID. Also reproduced with xcrun simctl launch, which fails as a consequence: Isolation steps taken All of the following were tried, and none changed the outcome — the exact same "Missing bundle ID" error occurs every time: 01 Two signing configurations — unsigned/linker-signed (Sealed Resources=none) vs. proper ad-hoc sign (Sealed Resources version=2 rules=13 files=4), plus a manual codesign --force --deep --sign - re-sign pass. Same failure every time. 02 Two simulator destinations — generic/platform=iOS Simulator and a concrete device id for iPhone 17 Pro. 03 Two never-before-used simulator devices — iPhone 17 Pro and iPhone Air — ruling out per-device CoreSimulator state corruption. 04 Erase + cold boot — simctl shutdown, erase, boot immediately before a fresh install attempt. 05 Real Simulator.app GUI running — not just a headless simctl boot — ruled out a CoreSimulatorService/GUI dependency. 06 Path with no spaces — copied the .app out of a path containing "Application Support" — ruled out a path-quoting issue. The build itself is never in question — xcodebuild reports BUILD SUCCEEDED every time; only the subsequent simctl install step fails. What I'd like feedback on Is this a known issue with this specific Xcode 26.6 / iOS 26.5 Simulator runtime combination — both very recently installed, so possibly a fresh-install/first-boot bug? Is there a required build setting for this Xcode version not yet reflected in commonly-documented XcodeGen/xcodebuild recipes — e.g. an entitlements file now required even for simulator-only, no-team builds, or a different expected code-signing identity/format? Is Info.plist=not bound in the codesign -dv output actually abnormal for an app bundle (as opposed to a framework), and could that be the root cause simctl is choking on?
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Connection issue between Apple Watch and Xcode
I'm developing an app for Apple Watch, but I can't connect the Apple Watch to Xcode when I try to run the app on the actual device. I get the following errors: A networking error occurred The device rejected the connection request and A connection to this device could not be established. Timed out while attempting to establish tunnel using negotiated network parameters. The iPhone connects to Xcode without any problem. I've already tried several things without success: Resetting the "trusted computers" settings and trusting the Mac again Restarting all of the devices Making sure all devices are on the same Wi-Fi network On the iPhone, I can see the Developer Mode toggle in Settings, but on the Apple Watch there doesn't seem to be a Developer Mode toggle at all. I'm wondering whether enabling Developer Mode is required in my case. Could anyone tell me how to enable Developer Mode on Apple Watch, or suggest any other way to resolve this issue? Here is my environment: Mac mini (M1, 2020), macOS Tahoe 26.4.1 Xcode 26.4.1 Apple Watch SE 3, watchOS 26.1 iPhone 13, iOS 26.5 Thanks in advance for any help.
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Minimum allowed IPHONEOS_DEPLOYMENT_TARGET for the AppStore
Hello, I am building a developer tool and for that I need to figure out which min deployment targets users technically may still specify in their Xcode projects. This page https://developer.apple.com/support/xcode indirectly says that both Xcode 26 and Xcode 27 allow setting IPHONEOS_DEPLOYMENT_TARGET only to iOS 15.0 and newer. Also https://developer.apple.com/news/upcoming-requirements/ now says that starting April 28 2026, the apps must be built with iOS SDK 26+, meaning only Xcode 26 and newer may be used for building the apps that go to the AppStore. However in fact in Xcode 26 I can specify older iOS deployment targets, as low as iOS 12. This post here https://developer.apple.com/forums/thread/805506?answerId=863871022#863871022 confirms that in fact it is possible to even submit the app to the AppStore with IPHONEOS_DEPLOYMENT_TARGET 12.0 There's also this post https://developer.apple.com/forums/thread/821370?answerId=882853022#882853022 that indirectly confirms that Apple still allows iOS 12.0 deployment target. Since Xcode 26 is still allowed to build apps for the AppStore even after Xcode 27.0 release, does that mean the developers may technically be able to keep specifying iOS 12, iOS 13, iOS 14 as deployment target when submitting their apps to the AppStore without having their apps rejected?
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opencode + LM studio + plan = sad
quencoder 2.5 locally is making great plans. Beautiful plans amazing plans that are so correct I want to hug it. But when I want to implement it there is no button asking me if I want to go ahead. I tried /exit-plan and the command could not be completed (I only see /plan, /rename, and /exit-planP. I do not see the markdown in a separate pane that's copyable as shown in this video https://developer.apple.com/videos/play/wwdc2026/259/?time=597 (I also can't get the conversation in a separate window by pressing option shift click, I have to manually open the conversation in a new tab). I get a plan interleaved with code snippets and I can't copy the whole plan to a new conversation. I would very much like this to work. (I also really like being able to run locally because I do not agree with google, openai, or anthropic ethics. thanks for giving me a choice) (I also like how not like a sycophant the tone of the response is. refreshing) (Note I started planning first because without a plan it started mucking about in the plist editing status bar keys when the problem was a navigation bar which I thought was clear from the picture I attached) (But I'd really like to say go and I have no buttons to exit plan mode.) (I am going to stay on Tahoe till October) I asked it how to copy and it said: In the opencode session where the plan was discussed, type /share — it'll copy a shareable link to your clipboard (like opncd.ai/s/...). Paste that link here and I can fetch the plan directly. That was a hallucination when I typed /share the agent just repeated its plan for a third time. It's a good plan, the best plan, I don't see any algae in this plan. It also said "I can see from the repository exploration that there's no written plan document, and the other agent is working on "[the plan]." However, I don't have access to the previous conversation's last response. Maybe there should be a button to copy a whole response or open a new conversation (not in plan mode) with a response? I see that I can configure agents https://opencode.ai/docs/agents/. Should I? Shouldn't Xcode do it for me? { "$schema": "https://opencode.ai/config.json", "agent": { "build": { "mode": "primary", "model": "anthropic/claude-sonnet-4-20250514", "prompt": "{file:./prompts/build.txt}", "permission": { "edit": "allow", "bash": "allow" } }, "plan": { "mode": "primary", "model": "anthropic/claude-haiku-4-20250514", "permission": { "edit": "deny", "bash": "deny" } }, "code-reviewer": { "description": "Reviews code for best practices and potential issues", "mode": "subagent", "model": "anthropic/claude-sonnet-4-20250514", "prompt": "You are a code reviewer. Focus on security, performance, and maintainability.", "permission": { "edit": "deny" } } } }
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"Simulate MetricKit Payloads" missing from Debug menu in Xcode 27.0 beta 3
The MetricKit documentation ("Track performance by app state using MetricKit") states: "MetricKit delivers reports on a system-determined schedule. To generate reports during development, choose Debug > Simulate MetricKit Payloads in Xcode." https://developer.apple.com/documentation/metrickit/track-performance-by-app-state-using-metrickit This menu item was present in Xcode 26.6, but is no longer shown under the Debug menu in Xcode 27.0 beta 3. Steps to reproduce: Open a project in Xcode 27.0 beta 3 Open the Debug menu "Simulate MetricKit Payloads" is not listed Expected: The menu item should be available as documented, and as it was in Xcode 26.6. Has anyone else run into this, or found a workaround for triggering MetricKit payloads in Xcode 27 betas? Filed as FB23760649. Environment: Xcode 27.0 beta 3, macOS 26.5.2
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xcodebuild test (CLI) does not sync .storekit to storekitd on iOS 26.5 — SKTestSession unusable in CI
On iOS 26.5 simulator runtime, running UI tests via xcodebuild test from the command line does not push the scheme's StoreKitConfigurationFileReference to the destination simulator's storekitd AppGroup Octane container. As a consequence, SKTestSession(configurationFileNamed:) either silently falls through to the production App Store (surfacing a "Sign in to Apple Account" SpringBoard alert during paywall tests), or throws SKInternalErrorDomain Code=3 "Error saving configuration file" if you call any SKTestSession instance method. The same project, same scheme, same .storekit file works correctly when launched via Xcode IDE (Cmd+R / Cmd+U) — which uses DVTDevice.handleStoreKitConfigurationSyncForBundleID:configurationFilePath: via an internal IDELaunchSession XPC path that the public xcodebuild CLI does not invoke. This regression makes StoreKit Test unusable in CI for any project using xcodebuild test or xcodebuild test-without-building against an iOS 26.5 simulator. Environment macOS: 26.x Xcode: 26.4.1 (25E253) iOS Simulator runtime affected: 26.5 iOS Simulator runtime that does not exhibit the bug: 26.1 Test target: XCTest UI tests Test plan: *.xctestplan with "storeKitConfiguration": "MyApp.storekit" in defaultOptions Affected scheme actions: Test (CLI) Not affected: Run, Test (Xcode IDE) Steps to Reproduce Create a SwiftUI iOS app com.example.MyApp. Add a MyApp.storekit with one auto-renewable subscription. Add a UI test target. In the xctestplan: defaultOptions.storeKitConfiguration = "MyApp.storekit". In the UI test base case: private var storeKitSession: SKTestSession? override func setUpWithError() throws { storeKitSession = try SKTestSession(configurationFileNamed: "MyApp") app.launch() } Boot a fresh iOS 26.5 simulator. Run via CLI: xcodebuild test \ -project MyApp.xcodeproj \ -scheme MyApp \ -testPlan MyAppUITests \ -destination "platform=iOS Simulator,name=iPhone 17 Pro" In the test, trigger paywall and call Product.purchase(). Expected Product.purchase() presents the StoreKit Test sheet labeled "[Environment] Xcode". Same behavior as Xcode IDE Cmd+U. Actual Production App Store flow triggers. SpringBoard alert "Sign in to Apple Account" appears. Tests waiting on the "Xcode"-labeled sheet fail with Element does not exist. Evidence The simulator's ~/Library/Developer/CoreSimulator/Devices/<UDID>/data/Containers/Shared/AppGroup/<storekit-AGID>/Documents/Persistence/Octane/com.example.MyApp/Configuration.storekit: Present (≈100 KB) when launched via Xcode IDE. Missing when launched via xcodebuild test CLI on the same simulator UDID. Workarounds Attempted (all fail on iOS 26.5) No-op XCTestCase "warmup" that calls XCUIApplication.launch() + sleep — does not trigger the sync because XCUIApplication.launch() routes through XCTRunner, not IDELaunchSession. Multi-destination xcodebuild test with -parallelize-tests-among-destinations. Manually cp-ing the .storekit file into the AppGroup Octane container — storekitd only loads via the XPC channel. launchctl kickstart -k system/com.apple.storekitd — wipes in-memory state, does not pick up disk file. Only working workaround: open project in Xcode IDE, Cmd+R, wait ~20–30 sec, Cmd+., then Cmd+U. Not viable for CI. Related Open Feedback FB22237318 — SKTestSession instance methods (clearTransactions(), failTransactionsEnabled = true) throw SKInternalErrorDomain Code=3 "Error saving configuration file". Discussion thread: https://developer.apple.com/forums/thread/808030 The iOS 26.5 Release Notes (https://developer.apple.com/documentation/ios-ipados-release-notes/ios-ipados-26_5-release-notes) under StoreKit Test list this issue as resolved in 26.5: "Fixed: SKTestSession may fail to save its configuration file when invoked outside of an Xcode debug session." However, on the public iOS 26.5 simulator runtime the behavior is unchanged — SKTestSession still hits Code=3 on any mutation, and xcodebuild test from CLI still does not sync the .storekit configuration. The 26.5 fix either did not actually ship, or this report describes a distinct but related issue that the fix did not cover. Impact Any CI/CD pipeline running UI tests for apps with StoreKit subscriptions is broken when targeting an iOS 26.5 simulator. Workarounds are either: Pin CI simulator runtime to iOS 26.1. Manually run the project in Xcode IDE before each test run (impossible headless). Has anyone found a CLI-friendly workaround? Or is there an undocumented xcodebuild flag / simctl command that can trigger the same DVTDevice sync from outside the IDE?
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Can't use /uikit-app-modernization
When will this be available? (Opencode + LMStudio + Qwen 3.6 27B) FB23978071
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Device Hub sucks
Or maybe I suck? Is there really no way with the new Xcode to take a simple screenshot from the device you're testing?You have to connect this Device Hub? An entirely separate app. And not only that, then you have to pair it, which maintains a live connection to the phone? Fine. Okay then. But now I can no longer test the microphone functions of my app because that shared session is interfering with it. Oh, well, I'll just disconnect the session then, right? Nope. The button to disconnect the session doesn't work. Device Hub thinks it's disconnected, but my phone still shows the blue sharing session icon in the upper left hand corner. The only way to stop that is to unpair the phone completely. So then every time I want to take a screenshot, I've got to do this pairing crap? I think I'll be running a second copy of Xcode 26 for quite a while just to use the screenshot button.
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Xcode IOS development
Super noob here 😅 is there a way to work with the “Xcode” development app on IOS. Any advice or input is welcome.
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Apple watch series 9 (OS 10.3) not showing up in xcode 15.1 under devices list.
When connecting my iphone (14pro with iOS 17.2.1) with a paired apple watch (series 9 with OS 10.3), it is not showing up on the devices/simulators list in xcode 15.1. Beyond unpairing/repairing the watch, restarting either iphone or watch, connecting/disconnecting the iphone from the computer or deleting xcode and re-installing xcode, any other suggestions? Under the WatchApp field it shows "no eligible device connected", however, under the console the Apple Watch does appear. I have tried just about everything and can't get the watch to appear in Xcode. I am running all this on a MacBook Pro with Sonoma. Thanks for any assistance!
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Xcode won't sign into ChatGPT Codex account anymore
As of May 8th, 2026, after I upgraded to "codex-cli 0.129.0" via Xcode, I can no longer sign into my ChatGPT account in Xcode Intelligence Settings. The Log In window is always successful, but the settings never update to show the login being successful. It's a constant loop. Perhaps a hand-shake fail. Versions: Tahoe 26.3.1, Xcode 26.4.1, codex-cli 0.129.0.
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Xcode Codex sign-in fails after updating OpenAI component
Environment: macOS: Tahoe 26.4 Xcode: 26.5 ChatGPT account successfully authenticated Codex CLI installed and working Codex App installed and working Steps to reproduce: Install Xcode Codex/OpenAI component version where GPT-5.4 is the highest available model. Sign in with ChatGPT account. Confirm Codex works in Xcode. Update the OpenAI/Codex component in Xcode. Attempt to sign in again. Expected result: Xcode completes authentication and shows signed-in status. Actual result: Browser successfully completes authentication and displays "Signed in to Codex." Xcode remains in a sign-in loop or shows "Not Signed In." Authentication never completes. Additional observations: Codex CLI authentication succeeds. Codex App authentication succeeds. ChatGPT web/app access succeeds. Anthropic/Claude component updates continue to work normally in Xcode. Issue appears specific to the updated OpenAI/Codex Xcode component. Older component (GPT-5.4 maximum model available) authenticates successfully.
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Device Hub + Apple TV stuck on "Installing built products"
Has anybody gotten Device Hub to work with Apple TV yet? I've successfully paired a device, and can view its screen in Device Hub. But when I try to Build and Run an app, it gets stuck on "Installing Built products". Filed FB23964509 on this one.
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Xcode 27 incorrectly links a Catalyst binary, _UIFontTextStyleCallout Expected in AppKit
I have a personal iOS project that I also compile for macOS with Catalyst. When built with Xcode 26.x, everything is linked correctly. When built with Xcode 27 betas, the following runtime error occurs: Termination Reason: Namespace DYLD, Code 4, Symbol missing Symbol not found: _UIFontTextStyleCallout Referenced from: <046ED276-F81A-31B4-82FF-6DC82E9041BC> /Applications/Photo Library.app/Contents/MacOS/Photo Library Expected in: <298B64F6-9BC0-3BFB-BE72-EBDC2BE0FF19> /System/Library/Frameworks/AppKit.framework/Versions/C/AppKit Any assistance? Thanks
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Xcode Organizer Crashes — "More Versions" fails to load
Hi, I'm experiencing an issue with the Crashes tab in Xcode Organizer. Here are the steps to reproduce: Open Xcode Go to Window → Organizer Select my app Click the Crashes tab Select All Versions → More Versions The popup keeps showing a loading failure and never displays the data Xcode Version 26.4 (17E192)
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Metal Toolchain in Xcode 27 Beta 4
When trying to install the Metal Toolchain in the latest Xcode, I end up with this error. Any idea?
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SimCtl
Summary xcrun simctl install <valid.app> fails even though the app's Info.plist contains a correct, well-formed CFBundleIdentifier — verified independently with plutil -p. The app builds successfully via xcodebuild twice, under two different signing configurations. This is purely an install-time failure. ERROR · EVERY ATTEMPT An error was encountered processing the command (domain=IXErrorDomain, code=13): Simulator device failed to install the application. Missing bundle ID. Underlying error (domain=IXErrorDomain, code=13): Failed to get bundle ID from /QuestionsWeCarry.app Missing bundle ID. Environment MACOS 26.5.2 · Build 25F84 XCODE 26.6 · Build 17F113 SIMULATOR RUNTIME iOS 26.5 (23F77) HARDWARE Apple M5 KERNEL Darwin 25.5.0 arm64 XCODE.APP / SIMULATOR PLATFORM both freshly installed Xcode.app and the iOS Simulator platform were both freshly installed immediately before this was discovered — this may be a first-run / first-boot issue specific to this Xcode 26.6 + iOS 26.5 combination. Project being built A SwiftUI iOS app target generated via XcodeGen from project.yml, depending on a local Swift Package with four library products. Nothing exotic — no third-party SDKs, no CocoaPods, no entitlements file. PROJECT.YML — RELEVANT TARGET BLOCK PROJECT.YML targets: QuestionsWeCarry: type: application platform: iOS deploymentTarget: "17.0" sources: - path: App/Sources - path: App/Resources type: folder buildPhase: resources info: path: App/Info.plist properties: CFBundleDisplayName: "Questions We Carry" UILaunchScreen: {} ITSAppUsesNonExemptEncryption: false UIApplicationSceneManifest: UIApplicationSupportsMultipleScenes: false settings: base: PRODUCT_BUNDLE_IDENTIFIER: com.brodywolfstudio.questionswecarry MARKETING_VERSION: "1.0.0" CURRENT_PROJECT_VERSION: "1" SWIFT_VERSION: "5.10" TARGETED_DEVICE_FAMILY: "1,2" CODE_SIGN_STYLE: Manual CODE_SIGN_IDENTITY: "-" CODE_SIGNING_REQUIRED: NO CODE_SIGNING_ALLOWED: YES dependencies: - package: QWCKit product: QWCCore - package: QWCKit product: QWCEngine - package: QWCKit product: QWCStore - package: QWCKit product: QWCUI BUILD COMMAND THAT SUCCEEDS SHELL xcodebuild -project QuestionsWeCarry.xcodeproj -scheme QuestionsWeCarry -configuration Debug -destination "platform=iOS Simulator,id=" -derivedDataPath DerivedData build Result: BUILD SUCCEEDED, produces DerivedData/Build/Products/Debug-iphonesimulator/QuestionsWeCarry.app. INFO.PLIST INSIDE THE BUILT .APP (VIA PLUTIL -P) INFO.PLIST { "BuildMachineOSBuild" => "25F84" "CFBundleDevelopmentRegion" => "en" "CFBundleDisplayName" => "Questions We Carry" "CFBundleExecutable" => "QuestionsWeCarry" "CFBundleIdentifier" => "com.brodywolfstudio.questionswecarry" "CFBundleInfoDictionaryVersion" => "6.0" "CFBundleName" => "QuestionsWeCarry" "CFBundlePackageType" => "APPL" "CFBundleShortVersionString" => "1.0" "CFBundleSupportedPlatforms" => [ 0 => "iPhoneSimulator" ] "CFBundleVersion" => "1" "DTCompiler" => "com.apple.compilers.llvm.clang.1_0" "DTPlatformBuild" => "23F81a" "DTPlatformName" => "iphonesimulator" "DTPlatformVersion" => "26.5" "DTSDKBuild" => "23F81a" "DTSDKName" => "iphonesimulator26.5" "DTXcode" => "2660" "DTXcodeBuild" => "17F113" "ITSAppUsesNonExemptEncryption" => false "MinimumOSVersion" => "17.0" "UIApplicationSceneManifest" => { "UIApplicationSupportsMultipleScenes" => false } "UIDeviceFamily" => [ 0 => 1 1 => 2 ] "UILaunchScreen" => { } } CFBundleIdentifier is present, correctly formed, and matches PRODUCT_BUNDLE_IDENTIFIER. file confirms this is a valid Apple binary property list, not corrupted. CODESIGN -DV ON THE BUILT APP CODESIGN -DV Executable=/QuestionsWeCarry.app/QuestionsWeCarry Identifier=QuestionsWeCarry-******* Format=bundle with Mach-O thin (arm64) CodeDirectory v=20400 size=338 flags=0x2(adhoc) hashes=3+3 location=embedded Signature=adhoc Info.plist=not bound TeamIdentifier=not set Sealed Resources version=2 rules=13 files=4 Internal requirements count=0 size=12 Note Info.plist=not bound — unclear whether this is expected for an ad-hoc-signed bundle app (as opposed to a framework), or is itself a symptom of the underlying problem. Reproduction Minimal, reproducible with the plain command-line tool — no Claude tooling involved in this step: SHELL xcrun simctl install "iPhone 17 Pro" "/DerivedData/Build/Products/Debug-iphonesimulator/QuestionsWeCarry.app" Result (100% reproducible, every attempt): STDERR An error was encountered processing the command (domain=IXErrorDomain, code=13): Simulator device failed to install the application. Missing bundle ID. Underlying error (domain=IXErrorDomain, code=13): Failed to get bundle ID from /QuestionsWeCarry.app Missing bundle ID. Also reproduced with xcrun simctl launch, which fails as a consequence: Isolation steps taken All of the following were tried, and none changed the outcome — the exact same "Missing bundle ID" error occurs every time: 01 Two signing configurations — unsigned/linker-signed (Sealed Resources=none) vs. proper ad-hoc sign (Sealed Resources version=2 rules=13 files=4), plus a manual codesign --force --deep --sign - re-sign pass. Same failure every time. 02 Two simulator destinations — generic/platform=iOS Simulator and a concrete device id for iPhone 17 Pro. 03 Two never-before-used simulator devices — iPhone 17 Pro and iPhone Air — ruling out per-device CoreSimulator state corruption. 04 Erase + cold boot — simctl shutdown, erase, boot immediately before a fresh install attempt. 05 Real Simulator.app GUI running — not just a headless simctl boot — ruled out a CoreSimulatorService/GUI dependency. 06 Path with no spaces — copied the .app out of a path containing "Application Support" — ruled out a path-quoting issue. The build itself is never in question — xcodebuild reports BUILD SUCCEEDED every time; only the subsequent simctl install step fails. What I'd like feedback on Is this a known issue with this specific Xcode 26.6 / iOS 26.5 Simulator runtime combination — both very recently installed, so possibly a fresh-install/first-boot bug? Is there a required build setting for this Xcode version not yet reflected in commonly-documented XcodeGen/xcodebuild recipes — e.g. an entitlements file now required even for simulator-only, no-team builds, or a different expected code-signing identity/format? Is Info.plist=not bound in the codesign -dv output actually abnormal for an app bundle (as opposed to a framework), and could that be the root cause simctl is choking on?
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Connection issue between Apple Watch and Xcode
I'm developing an app for Apple Watch, but I can't connect the Apple Watch to Xcode when I try to run the app on the actual device. I get the following errors: A networking error occurred The device rejected the connection request and A connection to this device could not be established. Timed out while attempting to establish tunnel using negotiated network parameters. The iPhone connects to Xcode without any problem. I've already tried several things without success: Resetting the "trusted computers" settings and trusting the Mac again Restarting all of the devices Making sure all devices are on the same Wi-Fi network On the iPhone, I can see the Developer Mode toggle in Settings, but on the Apple Watch there doesn't seem to be a Developer Mode toggle at all. I'm wondering whether enabling Developer Mode is required in my case. Could anyone tell me how to enable Developer Mode on Apple Watch, or suggest any other way to resolve this issue? Here is my environment: Mac mini (M1, 2020), macOS Tahoe 26.4.1 Xcode 26.4.1 Apple Watch SE 3, watchOS 26.1 iPhone 13, iOS 26.5 Thanks in advance for any help.
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Select the model in Xcode
How do I select between GPT and Claude, and the model, when opening a new task for the coding agent with the ‘New Conversation’ button in the toolbar?
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Minimum allowed IPHONEOS_DEPLOYMENT_TARGET for the AppStore
Hello, I am building a developer tool and for that I need to figure out which min deployment targets users technically may still specify in their Xcode projects. This page https://developer.apple.com/support/xcode indirectly says that both Xcode 26 and Xcode 27 allow setting IPHONEOS_DEPLOYMENT_TARGET only to iOS 15.0 and newer. Also https://developer.apple.com/news/upcoming-requirements/ now says that starting April 28 2026, the apps must be built with iOS SDK 26+, meaning only Xcode 26 and newer may be used for building the apps that go to the AppStore. However in fact in Xcode 26 I can specify older iOS deployment targets, as low as iOS 12. This post here https://developer.apple.com/forums/thread/805506?answerId=863871022#863871022 confirms that in fact it is possible to even submit the app to the AppStore with IPHONEOS_DEPLOYMENT_TARGET 12.0 There's also this post https://developer.apple.com/forums/thread/821370?answerId=882853022#882853022 that indirectly confirms that Apple still allows iOS 12.0 deployment target. Since Xcode 26 is still allowed to build apps for the AppStore even after Xcode 27.0 release, does that mean the developers may technically be able to keep specifying iOS 12, iOS 13, iOS 14 as deployment target when submitting their apps to the AppStore without having their apps rejected?
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BUG: iOS 18 Simulator cannot "Save to Files"
On iOS 18.0+ simulators, tap any share link button from any app, select "Save to Files", the "Save" button is disabled. In all previous simulator versions this works. This behavior even happens with default Apple apps like Photos. Simulator: Version 16.0 (1037) XCode: Version 16.1 beta (16B5001e) macOS: 14.6.1 (23G93)
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beta 3 says local agent needs authentication
Downloaded beta three. Tried to continue conversation. Says Using LM Studio/qwen/opencode. Restarted LM Studio. Opencode is on latest version.
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opencode + LM studio + plan = sad
quencoder 2.5 locally is making great plans. Beautiful plans amazing plans that are so correct I want to hug it. But when I want to implement it there is no button asking me if I want to go ahead. I tried /exit-plan and the command could not be completed (I only see /plan, /rename, and /exit-planP. I do not see the markdown in a separate pane that's copyable as shown in this video https://developer.apple.com/videos/play/wwdc2026/259/?time=597 (I also can't get the conversation in a separate window by pressing option shift click, I have to manually open the conversation in a new tab). I get a plan interleaved with code snippets and I can't copy the whole plan to a new conversation. I would very much like this to work. (I also really like being able to run locally because I do not agree with google, openai, or anthropic ethics. thanks for giving me a choice) (I also like how not like a sycophant the tone of the response is. refreshing) (Note I started planning first because without a plan it started mucking about in the plist editing status bar keys when the problem was a navigation bar which I thought was clear from the picture I attached) (But I'd really like to say go and I have no buttons to exit plan mode.) (I am going to stay on Tahoe till October) I asked it how to copy and it said: In the opencode session where the plan was discussed, type /share — it'll copy a shareable link to your clipboard (like opncd.ai/s/...). Paste that link here and I can fetch the plan directly. That was a hallucination when I typed /share the agent just repeated its plan for a third time. It's a good plan, the best plan, I don't see any algae in this plan. It also said "I can see from the repository exploration that there's no written plan document, and the other agent is working on "[the plan]." However, I don't have access to the previous conversation's last response. Maybe there should be a button to copy a whole response or open a new conversation (not in plan mode) with a response? I see that I can configure agents https://opencode.ai/docs/agents/. Should I? Shouldn't Xcode do it for me? { "$schema": "https://opencode.ai/config.json", "agent": { "build": { "mode": "primary", "model": "anthropic/claude-sonnet-4-20250514", "prompt": "{file:./prompts/build.txt}", "permission": { "edit": "allow", "bash": "allow" } }, "plan": { "mode": "primary", "model": "anthropic/claude-haiku-4-20250514", "permission": { "edit": "deny", "bash": "deny" } }, "code-reviewer": { "description": "Reviews code for best practices and potential issues", "mode": "subagent", "model": "anthropic/claude-sonnet-4-20250514", "prompt": "You are a code reviewer. Focus on security, performance, and maintainability.", "permission": { "edit": "deny" } } } }
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"Simulate MetricKit Payloads" missing from Debug menu in Xcode 27.0 beta 3
The MetricKit documentation ("Track performance by app state using MetricKit") states: "MetricKit delivers reports on a system-determined schedule. To generate reports during development, choose Debug > Simulate MetricKit Payloads in Xcode." https://developer.apple.com/documentation/metrickit/track-performance-by-app-state-using-metrickit This menu item was present in Xcode 26.6, but is no longer shown under the Debug menu in Xcode 27.0 beta 3. Steps to reproduce: Open a project in Xcode 27.0 beta 3 Open the Debug menu "Simulate MetricKit Payloads" is not listed Expected: The menu item should be available as documented, and as it was in Xcode 26.6. Has anyone else run into this, or found a workaround for triggering MetricKit payloads in Xcode 27 betas? Filed as FB23760649. Environment: Xcode 27.0 beta 3, macOS 26.5.2
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Xcode c++ running
So I was using the Xcode 27 beta to do c++ coding. But when I was running the code I cannot type anything in the console. Why does this happen?
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xcodebuild test (CLI) does not sync .storekit to storekitd on iOS 26.5 — SKTestSession unusable in CI
On iOS 26.5 simulator runtime, running UI tests via xcodebuild test from the command line does not push the scheme's StoreKitConfigurationFileReference to the destination simulator's storekitd AppGroup Octane container. As a consequence, SKTestSession(configurationFileNamed:) either silently falls through to the production App Store (surfacing a "Sign in to Apple Account" SpringBoard alert during paywall tests), or throws SKInternalErrorDomain Code=3 "Error saving configuration file" if you call any SKTestSession instance method. The same project, same scheme, same .storekit file works correctly when launched via Xcode IDE (Cmd+R / Cmd+U) — which uses DVTDevice.handleStoreKitConfigurationSyncForBundleID:configurationFilePath: via an internal IDELaunchSession XPC path that the public xcodebuild CLI does not invoke. This regression makes StoreKit Test unusable in CI for any project using xcodebuild test or xcodebuild test-without-building against an iOS 26.5 simulator. Environment macOS: 26.x Xcode: 26.4.1 (25E253) iOS Simulator runtime affected: 26.5 iOS Simulator runtime that does not exhibit the bug: 26.1 Test target: XCTest UI tests Test plan: *.xctestplan with "storeKitConfiguration": "MyApp.storekit" in defaultOptions Affected scheme actions: Test (CLI) Not affected: Run, Test (Xcode IDE) Steps to Reproduce Create a SwiftUI iOS app com.example.MyApp. Add a MyApp.storekit with one auto-renewable subscription. Add a UI test target. In the xctestplan: defaultOptions.storeKitConfiguration = "MyApp.storekit". In the UI test base case: private var storeKitSession: SKTestSession? override func setUpWithError() throws { storeKitSession = try SKTestSession(configurationFileNamed: "MyApp") app.launch() } Boot a fresh iOS 26.5 simulator. Run via CLI: xcodebuild test \ -project MyApp.xcodeproj \ -scheme MyApp \ -testPlan MyAppUITests \ -destination "platform=iOS Simulator,name=iPhone 17 Pro" In the test, trigger paywall and call Product.purchase(). Expected Product.purchase() presents the StoreKit Test sheet labeled "[Environment] Xcode". Same behavior as Xcode IDE Cmd+U. Actual Production App Store flow triggers. SpringBoard alert "Sign in to Apple Account" appears. Tests waiting on the "Xcode"-labeled sheet fail with Element does not exist. Evidence The simulator's ~/Library/Developer/CoreSimulator/Devices/<UDID>/data/Containers/Shared/AppGroup/<storekit-AGID>/Documents/Persistence/Octane/com.example.MyApp/Configuration.storekit: Present (≈100 KB) when launched via Xcode IDE. Missing when launched via xcodebuild test CLI on the same simulator UDID. Workarounds Attempted (all fail on iOS 26.5) No-op XCTestCase "warmup" that calls XCUIApplication.launch() + sleep — does not trigger the sync because XCUIApplication.launch() routes through XCTRunner, not IDELaunchSession. Multi-destination xcodebuild test with -parallelize-tests-among-destinations. Manually cp-ing the .storekit file into the AppGroup Octane container — storekitd only loads via the XPC channel. launchctl kickstart -k system/com.apple.storekitd — wipes in-memory state, does not pick up disk file. Only working workaround: open project in Xcode IDE, Cmd+R, wait ~20–30 sec, Cmd+., then Cmd+U. Not viable for CI. Related Open Feedback FB22237318 — SKTestSession instance methods (clearTransactions(), failTransactionsEnabled = true) throw SKInternalErrorDomain Code=3 "Error saving configuration file". Discussion thread: https://developer.apple.com/forums/thread/808030 The iOS 26.5 Release Notes (https://developer.apple.com/documentation/ios-ipados-release-notes/ios-ipados-26_5-release-notes) under StoreKit Test list this issue as resolved in 26.5: "Fixed: SKTestSession may fail to save its configuration file when invoked outside of an Xcode debug session." However, on the public iOS 26.5 simulator runtime the behavior is unchanged — SKTestSession still hits Code=3 on any mutation, and xcodebuild test from CLI still does not sync the .storekit configuration. The 26.5 fix either did not actually ship, or this report describes a distinct but related issue that the fix did not cover. Impact Any CI/CD pipeline running UI tests for apps with StoreKit subscriptions is broken when targeting an iOS 26.5 simulator. Workarounds are either: Pin CI simulator runtime to iOS 26.1. Manually run the project in Xcode IDE before each test run (impossible headless). Has anyone found a CLI-friendly workaround? Or is there an undocumented xcodebuild flag / simctl command that can trigger the same DVTDevice sync from outside the IDE?
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