I am editing my iOS project in Xcode 16 and want to use the "Swift Compiler - Upcoming Features" section of the build settings to selectively enable the new Swift 6 language features. I have read the instructions for doing this and have dowloaded an Apple sample project and can see that section under the project and target-level Build Settings in the sample project However, when I open my Xcode project in XCode 16 that section does not appear. Is there any way for me to influence how Xcode 16 displays the build settings? In fact, no "Swift Compiler" sections appear at all under my project Build Settings (All | Combined). There is a "User-Defined" section that has the Swift Version, Compilation Mode and Optimization level. The project itself is several years old and was on a very old project version. I have upgraded my project document format to "Xcode 16" but it made no difference. I have compared my project and the sample project in a text editor and both seem to have similar structure. I tried removing unused and outdated settings from my project but that also had no effect. Is there an alternative to deleting my project file and adding the source files to it? I have a large project with multiple targets so that would be something I'd rather not do.

When I click on the memory graph, xcode cannot create the memory graph and reports an error. All the error messages below are: I have tried to clarify any cache。 an unknown error occurred launching the helper task Domain: DTLeaksService Code: -1 User Info: { DVTErrorCreationDateKey = "2025-03-20 07:37:28 +0000"; DVTRadarComponentKey = 637311; } Event Metadata: com.apple.dt.memory_graph_capture : { "debugSession_coalescedState" = 2; "debugSession_isSynthetic" = 0; "debugSession_state" = 2; "device_identifier" = "00008020-000924663A90003A"; "device_isCoreDevice" = 1; "device_model" = "iPhone11,2"; "device_osBuild" = "18.4 (22E5222f)"; "device_platform" = "com.apple.platform.iphoneos"; "device_thinningType" = "iPhone11,2"; "dvt_coredevice_version" = "443.19"; "dvt_coresimulator_version" = "1010.10"; "dvt_mobiledevice_version" = "1784.101.1"; "launchSession_schemeCommand" = Run; "launchSession_state" = 2; "launchSession_targetArch" = arm64; "memgraphDebugger_duration_ms" = 3059; "memgraphDebugger_precedingCount" = 1; "memgraphDebugger_status" = "-1"; "param_debugger_attachToExtensions" = 0; "param_debugger_attachToXPC" = 1; "param_debugger_type" = 3; "param_destination_isProxy" = 0; "param_destination_platform" = "com.apple.platform.iphoneos"; "param_diag_113575882_enable" = 0; "param_diag_MainThreadChecker_stopOnIssue" = 0; "param_diag_MallocStackLogging_enableDuringAttach" = 0; "param_diag_MallocStackLogging_enableForXPC" = 1; "param_diag_allowLocationSimulation" = 1; "param_diag_checker_tpc_enable" = 1; "param_diag_gpu_frameCapture_enable" = 0; "param_diag_gpu_shaderValidation_enable" = 0; "param_diag_gpu_validation_enable" = 0; "param_diag_guardMalloc_enable" = 0; "param_diag_memoryGraphOnResourceException" = 0; "param_diag_mtc_enable" = 1; "param_diag_queueDebugging_enable" = 1; "param_diag_runtimeProfile_generate" = 0; "param_diag_sanitizer_asan_enable" = 0; "param_diag_sanitizer_tsan_enable" = 0; "param_diag_sanitizer_tsan_stopOnIssue" = 0; "param_diag_sanitizer_ubsan_enable" = 0; "param_diag_sanitizer_ubsan_stopOnIssue" = 0; "param_diag_showNonLocalizedStrings" = 0; "param_diag_viewDebugging_enabled" = 1; "param_diag_viewDebugging_insertDylibOnLaunch" = 1; "param_install_style" = 2; "param_launcher_UID" = 2; "param_launcher_allowDeviceSensorReplayData" = 0; "param_launcher_kind" = 0; "param_launcher_style" = 99; "param_launcher_substyle" = 0; "param_runnable_appExtensionHostRunMode" = 0; "param_runnable_productType" = "com.apple.product-type.application"; "param_structuredConsoleMode" = 1; "param_testing_launchedForTesting" = 0; "param_testing_suppressSimulatorApp" = 0; "param_testing_usingCLI" = 0; "sdk_canonicalName" = "iphoneos18.4"; "sdk_osVersion" = "18.4"; "sdk_variant" = iphoneos; } System Information macOS Version 15.4 (Build 24E5238a) Xcode 16.3 (23773.5) (Build 16E5129f) Timestamp: 2025-03-20T15:37:28+08:00

I'm unable to reset simulators using the menu or the xcrun simctl tool: <output of xcrun simctl list> == Devices == -- iOS 17.5 -- iPhone SE (3rd generation) (5A06623A-173D-4C96-8DD3-3E9FE39A06F1) (Shutdown) iPhone 15 (iOS 17.5) (F4329E8D-29BB-4EA7-8465-C11A98D04ED7) (Shutdown) -- iOS 18.0 -- iPhone SE (3rd generation) (2DDE8F03-F8E1-4C1B-8E28-CD9B208F3FFA) (Shutdown) iPhone 16 Pro (DE788688-8AC6-40A0-B25C-A56AA423798E) (Shutdown) iPhone 16 Pro Max (1405184C-36A9-40F3-B0D0-4EEB88452883) (Shutdown) iPhone 16 (0CBBA7DB-B20E-4F17-BBC5-910F1F6E1A0A) (Shutdown) iPhone 16 Plus (95421C27-11A0-4FCF-A889-DAAE8557B271) (Shutdown) == Device Pairs == ~/Library`` ❯ xcrun simctl erase 0CBBA7DB-B20E-4F17-BBC5-910F1F6E1A0A An error was encountered processing the command (domain=NSCocoaErrorDomain, code=513): “data” couldn’t be moved because you don’t have permission to access “Deleting-8FEDFF47-5B2F-4534-BCA2-036BBE68CE37”. You don’t have permission. To view or change permissions, select the item in the Finder and choose File > Get Info. Underlying error (domain=NSPOSIXErrorDomain, code=1): The operation couldn’t be completed. Operation not permitted Operation not permitted Xcode Version 16.0 (16A242d) MacOS 15.0.1 (24A348)

I updated Xcode and MacOS recently and haven't been able to compile my Flutter app on iOS devices/simulators since then. The error keeps changing every time I run it but here's one of the output in the terminal after running flutter run: Uncategorized (Xcode): Command SwiftGeneratePch emitted errors but did not return a nonzero exit code to indicate failure Error (Xcode): no such file or directory: '/Users/chiragbhansali/Library/Developer/Xcode/DerivedData/ModuleCache.noindex/Session.modulevalidation' Error (Xcode): stat cache file '/Users/chiragbhansali/Library/Developer/Xcode/DerivedData/SDKStatCaches.noindex/iphonesimulator18.0-22A3362- db63dc9361471f152f572502bdbfe70a.sdkstatcache' not found Error (Xcode): unable to rename temporary '/Users/chiragbhansali/Library/Developer/Xcode/DerivedData/ModuleCache.noindex/3F9VRK3CXAUUD/UIKit-1KHQ7M05IF VXC-56601391.pcm.tmp' to output file '/Users/chiragbhansali/Library/Developer/Xcode/DerivedData/ModuleCache.noindex/3F9VRK3CXAUUD/UIKit-1KHQ7M05IF VXC.pcm': 'No such file or directory' Error (Xcode): could not build module 'UIKit' /Users/chiragbhansali/Chirag/Coding/Projects/app/test/build/ios/Debug-iphonesimulator/Flutter.framewo rk/Headers/FlutterAppDelegate.h:7:8 Error (Xcode): could not build module 'Flutter' /Users/chiragbhansali/Chirag/Coding/Projects/app/test/ios/Runner/GeneratedPluginRegistrant.h:9:8 Error (Xcode): failed to emit precompiled header '/Users/chiragbhansali/Library/Developer/Xcode/DerivedData/Runner-eifcguceazlwumgsyzegclqdrbqt/Build/Intermed iates.noindex/PrecompiledHeaders/Runner-Bridging-Header-swift_PB6A5GFLTNPC-clang_3F9VRK3CXAUUD.pch' for bridging header '/Users/chiragbhansali/Chirag/Coding/Projects/app/test/ios/Runner/Runner-Bridging-Header.h' Uncategorized (Xcode): Command PrecompileSwiftBridgingHeader emitted errors but did not return a nonzero exit code to indicate failure Uncategorized (Xcode): Command SwiftEmitModule failed with a nonzero exit code Uncategorized (Xcode): Command SwiftCompile failed with a nonzero exit code Could not build the application for the simulator. Error launching application on iPhone 16 Pro. What I have tried so far: Deleting iOS SDK and simulators Cleaning Xcode build cache using cmd+shift+k Creating a new Flutter project and trying to compile it (it failed so that reduces the chances of it being a Flutter issue) Clearing the DerivedData folder Clearing settings and cache of simulators Restarting laptop Versions: Xcode: 16.0 iOS: 18.0 MacOS: 15.1 (didn't work with 15.0 either) Flutter: 3.24

Hi, I've been running Xcode 26 beta ever since Beta 1 and haven't had rebooting problems. Now with Xcode beta (Version 26.0 beta 4 (17A5285i)) I'll be working on a project when the system (Mac mini 2025) suddenly reboots itself. This has been going on since beta 3. I am also running MacOS 26.0 Beta (25A5316i). I have filed a bug report. Is anyone else having this problem? Thanks, Dan Uff

Getting a weird build failure with Xcode 26 beta 5 that I haven't seen before. Build works fine locally but fails in CI when building with xcodebuild with this error: build description signature: 7cb0bf47dd6decc14090f5ae23d66594 Build description path: /Users/user/Library/Developer/Xcode/DerivedData/ProjectName-dpklhpaqruhpwdbkihszqtqogzfb/Build/Intermediates.noindex/XCBuildData/7cb0bf47dd6decc14090f5ae23d66594.xcbuilddata error: Failed to decode version info for '/Applications/Xcode-beta.app/Contents/Developer/usr/bin/actool': The data couldn’t be read because it is missing. (stdout: '<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd"> <plist version="1.0"> <dict> <key>com.apple.ibtool.version</key> <dict> <key>bundle-version</key> <string>24118.1</string> <key>short-bundle-version</key> <string>26.0</string> </dict> </dict> </plist> ', stderr: '' The thing is, the data is definitely there - actool is outputting valid XML: <key>com.apple.ibtool.version</key> <dict> <key>bundle-version</key> <string>24118.1</string> <key>short-bundle-version</key> <string>26.0</string> </dict> But xcodebuild keeps saying it's missing. This error repeats like 15 times in the build log. Build command: set -o pipefail && xcodebuild -workspace "ProjectName/ProjectName.xcworkspace" -scheme "ProjectNameDeviceTests" -configuration "Debug" -destination "generic/platform=iOS" -resultBundlePath "Build for device/result_bundle.xcresult" -verbose TREAT_WARNINGS_AS_ERRORS=YES COMPILER_INDEX_STORE_ENABLE=NO -IDEBuildLocationStyle=Custom -IDECustomBuildLocationType=Absolute -IDECustomBuildProductsPath="$PWD/test_package" OTHER_SWIFT_FLAGS='${inherited} -Xfrontend -debug-time-function-bodies -Xfrontend -debug-time-expression-type-checking' SWIFT_COMPILATION_MODE=wholemodule clean build-for-testing The issue seems to come and go, sometimes cleaning the derived data and/or reset helps, sometimes it doesn't. Anyone else hitting this? Seems like a parsing bug in the beta where it can't read its own version info properly.

After updating from Xcode 16 to the new Xcode 26 beta 3, running my iOS app becomes slow to the point of unusable. It builds and installs fine, but when running with the console, it lags about 20-50x compared to building and running with Xcode 16. I wanted to try our Xcode 26 to preview my new app icon made in icon composer but now I don't think it's worth the hassle. When running via simulator, the same performance issues. Anybody also struggling with slow on-device testing speed? I am on Sequoia 15.5.

I know there are several existing threads on this topic but things keep changing. The release notes for Xcode 26 beta 3 have the following statements for a couple of resolved issues: Asset Catalog Fixed: Unable to set Icon Composer icon as alternate iOS icon (153305178) (FB18025356) Icon Composer Fixed: Icon Composer icons back deploy to older versions of iOS, macOS, and watchOS with inconsistent rendering. (152258860) I had a working solution under beta 1 and beta 2 for both of these. But under beta 3, I am now seeing the new glass icons for my app when running on a simulated iOS 18 device. This is happening for both the main app icon and any alternates. This contradicts the statement that beta 3 fixes this issue. There is no documentation (that I can find) describing how you are supposed to support old icons for iOS 18 and new glass icons for iOS 26. There is no documentation for how to support alternate glass icons for iOS 26. What I'm doing at the moment (that worked before beta 3) was to have the normal iOS 18 app icons in the Asset catalog and to have the new glass icons added to the project. The filenames for the glass .icon files have the same name as the app icons in the Assets catalog. This worked under beta 1 and beta 2. And despite the Xcode 26 beta 3 release notes stating that Icon Composer icons no longer back deploy to iOS 18, I'm seeing the opposite. Beta 3 now does the opposite of that statement. Does anyone have a working solution that supports old iOS 18 app icons and new iOS 26 glass icons using Xcode 26 beta 3? Note, all of my testing is with simulated iOS devices and I'm running Xcode 26 beta 3 under macOS 15.5. Maybe that's an issue?

We are getting following error in xcode cloud "The step invocation hit a user timeout. The xcodebuild archive invocation timed out. No activity has been detected on stdout, stderr or the result bundle in 30 minutes" We are using following env to create a build. Xcode: 14.2 Macos: Ventura 13.2.1 We didn't face any issue in Ventura 13.2.0 and we are seeing this issue in our first build using ventura 13.2.1. The difference I see between successful and failure build, I don't see "Discovering Swift tasks after 'Compiling { list of swift file " in a failed build. I see compiling { list of swift file } and end of the compilation, the build is failing.

I am writing to report multiple issues encountered after updating to Xcode 26 Beta, which have significantly impacted my project's compilation and functionality. My project can run normally in Xcode16.3 version, Below are the specific problems, along with the steps I took to address them and the subsequent errors that arose: Symbol Not Found Error for _NSUserActivityTypeBrowsingWeb After updating to Xcode 26 Beta, my project failed to build with the error: "Symbol not found: _NSUserActivityTypeBrowsingWeb." To resolve this, I removed the MobileCoreServices framework from the Build Settings, as it appeared to be related. However, this led to a new error, indicating that this change introduced further complications. Clang++ Error: No Such File or Directory 'OpenGLES' Following the resolution of the first issue, I encountered a new error: "iOS clang++: error: no such file or directory: 'OpenGLES'." To address this, I added the OpenGLES.framework to the Build Phases. While this resolved the clang++ error, it triggered additional errors, suggesting that the underlying issue persists or new dependencies are conflicting. Recurring XIB File Compilation Errors My project uses XIB files, and every time I attempt to compile and run, Xcode reports errors related to different XIB files. Notably, when I open the reported XIB file, no errors are displayed within the Interface Builder. After saving or inspecting the file, the compilation error temporarily disappears, only for another XIB file to trigger the same issue in the next build. This creates a repetitive cycle. I have confirmed this is not a caching issue, as I clean the build cache (Product &gt; Clean Build Folder) before each run. If I skip cleaning the cache, the OpenGLES-related error (Issue 2) reappears, indicating potential interactions between these problems. These issues have made development with Xcode 26 Beta extremely challenging, as each attempted fix seems to introduce new errors, and the XIB issue creates a persistent loop. My setup includes: Xcode Version: 26.0 beta 2 (17A5241o) macOS Version:15.4.1 (24E263)

Any idea what this message means? I assume it's coming from CloudKit, but the application seems to store and retrieve data properly.

Hi, in our Xcode project we have a Tooling package, which defines build tool plugins for generating compile time safe constants for our localization strings as well as assets using swiftgen. This is working very well in Xcode 16, but fails in Xcode 26 beta 1 and beta 2 as well. The failure is specifically: unsupported configuration: the aggregate target 'Localization' has package dependencies, but targets that build for different platforms depend on it. I've reduced this to a minimal sample project, which you can find here.. To reproduce: Open the Repro workspace, that is attached in Xcode. Try to build TestyPackage. You'll see the error. I've filed this bug during WWDC week, but no feedback yet and no solution in Xcode 26 beta 2. Here's the feedback number, in case you have this too and want to file a duplicate: FB17934050. Does anyone else have this issue and perhaps a solution?

Swift assist has been announced by apple this year. I have waited Xcode 16.2 release before posting this because I was still hopping for swift assist this year but apple DIDN'T release swift assist and they haven't post anything about swift assist reported or something... What's going to happen with swift assist? Coming next year?

Can we use Icon Composer to drive an app icon for iOS 26 apps today? I get errors uploading a build to TestFlight internal testing about missing App icon dimensions for an iOS 26 app.

I'm trying to compile my iPad app with Xcode 16.2 and I'm consistently getting this error message: couldn't find compile unit for the macro table with offset = 0x0 This is happening at the GenerateDSymFile step. I've tried changing the debug format from Dwarf with Dsym to Dwarf and then back again, as I've read there was a problem with generating the dsyms. But the problem persists. I've tried searching for this error and found nothing online, so apparently I'm the only one! How strange. Are there any settings or flags I can change to try to get more information about what's going wrong?

I implemented AppTrackingTransparency framework but Apple is rejecting the review because it seems the request is failing on iPadOS 18.3.1. which seems rare since it is working on all other devices. Has anyone faced the same issue? I have tested this in a physical iPhone with IOS 18.3.1 and in several devices using Xcode runtime simulator including iPad and iPhone in different IOS versions up to 18.2 (which I understand is the latest available in Xcode). The problem is that 18.3.1 runtime simulator is not available yet. Does anyone have more information when it will be available or what to do in these cases?

I just downloaded Xcode26, and am trying to download the new simulator to be able to run and test my app. But the downloads folder just shows that it's stuck on "Fetching download information ..." even 15 minutes after it started. I tried restarting Xcode but didn't help. Internet connection is good. Any tips to get it working?

I just want to rant why is Xcode such a bad ide and I wish Apple can do a better job on Xcode. Here's why: The preview is so slow. Most of the times it's just faster for me to test on a real device. It is so slow, and many times I need to force quite after it's being unresponsive for sometimes. When I'm working on larger projects, the loading time becomes extremely slow especially when there's other clients that might be reading the same files like a Git client or simply iCloud. The breakpoint is so slow. I don't know why, is it an iOS thing? But when I'm on ASP.Net the breakpoints are super fast. For Xcode it takes a long time to pause and show data. It's so big I don't know why it is so hard for Apple to make their ide better. The community has been unsatisfied with Xcode for a long time. There's many tricks on the internet that you can find to help you resolve some issues with your project that's actually related to Xcode. Instead of using these tricks, Apple should just fix these issues. Learn from Intellij!

I have been using Xcode Version 26.1.1 on macOS Tahoe Version 26.1. In VIM mode, whenever I quickly tap d twice, to delete the complete line, most of the time Xcode crashes. Is anyone else facing this issue? Should I move to any older version of Xcode or any other solve for this?

It has been two years since I wrote my a SwiftUI app, and I wanted to start again in Xcode 26. I can no longer see the attributes inspector when I select an element in the canvas. This was an Xcode feature that was very helpful as I am still a novice. Has this feature been deprecated in Xcode 26? And if not, please help explain how I can find and use it.