I have a SwiftUI app that I've been working on in XCode 16.1. The project builds and runs in the simulators, on my mac and on my iPhone/iPad without any issues. I'm also able to build my unit test project and run them without any errors. The project has zero warnings in it. When I go to the Edit Schemes options and change the Run scheme to be a Release build with the Debug Executable unchecked I get a compiler error: Command SwiftCompile failed with a nonzero exit code I've attempted this Release Run with the following target devices in XCode: My iPhone 15 Pro Max (iOS 18.2 Beta 3) MacBook Air (M1) (15.2 Beta) iPhone 16 Simulator (iOS 18.1) Any iOS Simulator Device (arm64, x86_64) All 3 of these target have the same issue. Normally I would just debug the error from the logs but when I look at the build output I can't see any information in the log to tell me what happened. It looks like the source files are sent into the SwiftCompiler and the compiler fails without bubbling up the issue. I've provided the full error log export as a Gist HERE due to it's size. Is there anything in the log I'm missing? Is there a way for me to turn on more verbose logging during compilation of a Release Build? I created a brand new Multiplatform App in XCode and I added all of my source files to it. No project configuration settings were changed. I could build it successfully with the debug configuration. I then changed it to the Release configuration and experienced the same error. I can create another fresh project and make the same release configuration with none of my source files in it and get a successful build. I t seems there is something wrong with my source files and the release configuration but the compiler doesn't indicate what. I'm lost at this point as I can't figure out how to get a release build and can't seem to find any indication as to why.

Hello - Asking a question that's probably been asked, and maybe a couple more. I bought a membership yesterday and received the email, I'm assuming it's "approved", but when I log in on developer account it says "PENDING". I will be the only user on my account. I already have the app, it's been tested by another party and all I need do is make some minor changes. So that's done, now I need to create a "debug or release testing distribution", but when I do that I get this error in xCode. Is this normal...until my status changes from "PENDING" to (guessing) APPROVED? And one further question. I am the only developer, and this app will only be used by one person as it's specialized for a single purpose. What are the option for that person to install the app? Is there a special section on the app store for such an app? Thanks, Gary

I'm trying to develop an app to control HomeKit accessories in a way not available so far in macOS. How can I work around the absence of HomeKit Support for macOS in Xcode 16? Thanks!

Can someone give me an easy way to fix this code?

Hi there - I maintain the react-native-apple-authentication module which allows react native developers to implement sign in with Apple When testing we noticed that code working perfectly in iOS17 Simulators now fails on iOS18/18.1 Simulators. Specifically, the credential status is always revoked when testing on an iOS18+ Simulator. The same code works perfectly on a real device running iOS18 or 18.1 so this appears to be a Simulator bug. This is problematic because App review is frequently performed on a Simulator, so there are false-negative test results for Sign In With Apple from reviewers when they use iOS18 emulators, resulting in App submission rejections. We're tracking this here, with some results posted and an example app in-repo that demonstrates the issue: https://github.com/invertase/react-native-apple-authentication/issues/356 It would be great to see the Simulator fixed so that it works correctly with Sign In With Apple again. Thanks

Since about two weeks Xcode has been unable to download other app versions than the pre-selected set of versions shown in Organizer for any of the sub selections like Crashes or Feedback. I can see some crashes and feedback for the versions that were already there but when i choose "More versions..." in the version selector the popup shows but after about a minute i get a message that the versions failed to load due to a network error. I've tried every few days, on multiple networks (all with good fiber connections), for two different team accounts and for multiple apps, but in none of these scenario's Xcode is able to download new versions so i'm pretty sure there is something broken on Apple's side but i don't see many reports online about this nor anything here on the forum. Is anybody else experiencing these issues?

Our use case is that we need to run a CLI script (on Mac) to set up backend configuration before each test case (UI test on real iOS device). The setup logic is test specific, so using pre-build scripts is not an option. Is this support in any way or what are best practices around such a setup? Ideally, we would still be able to execute the tests from within Xcode.

Our use case is that we need to run a CLI script (on Mac) to set up some backend configuration for a UITest that then runs on iOS (simulator or actual device). The setup logic is test specific so using pre-build scripts is not a an option. Is that support in any way or what would be alternatives to go about this.

I am working on implementing App Clip functionality in my iOS application. While I can successfully launch the App Clip using a QR code, I am unable to launch it through other means such as the Messages app or deep links shared through other applications.

I’m currently trying to localize one of my Mac apps for Right-to-Left languages. In Xcode, to test this, I set the language to ‘Arabic’ in the scheme, which then displays the language and mirrors the layout accordingly. I have two questions about this: macOS titlebar buttons: In the title bar at the top, shouldn’t the Close and Minimize buttons also be on the right side (mirrored)? How can I test this? Numerals: My UI still displays Latin numerals (123). I know this is correct in some Arabic-speaking regions, but I’d also like to test cases where Arabic-Indic numerals (١٢٣) are used. Is there a way to configure the scheme to test this?

I'm not able to see my account information on the Mac Mini machine with M2 CPU. I log in to my account in Settings, but in Xcode 16.1 it fails with the Decoding Error There was a failure decoding response I think this is the same as here: https://developer.apple.com/forums/thread/767673 https://developer.apple.com/forums/thread/769069 https://developer.apple.com/forums/thread/759877

Hello, I am using Xcode 16.1 (16B40) on MacOS Sequoia 15.1.0 using a Macbook pro M1 Max I am developing an app for iOS 17 and 18 using SwiftUI I created UITests to take the screenshots for the appStore on the simulator The tests run well and all of them are succeded The problem appears when I try to get the screenshot files from the xcresult files after the test. There is not any screenshot inside it. I found a data folder and a Info.plist file. In the data folder there are a lot of files with this pattern data.03zD4C6IGFFthK14NwA8mNvcwFHT16g6Tl40Tl1YmBC1bNh6d0YIcnWKyUaQPDXoa8fYo6C3Xcv8xvMtE3_NEXA== and other files with this pattern refs.03zD4C6IGFFthK14NwA8mNvcwFHT16g6Tl40Tl1YmBC1bNh6d0YIcnWKyUaQPDXoa8fYo6C3Xcv8xvMtE3_NEXA== Ok, I tryed to use fastlane to automatize the screenshots but the problem is still present. The xcresult files have not any png file. I had no problems doing this action (getting screenshots from a xcresult file) in previous versions of MacOS and Xcode in my current machine. I just updated my machine to MacOS Sequoia 15.1.1 and the problem is still present Honestly I don't know how to fix this situation. With Xcode 15 I had not any problem with that but I am not sure if Xcode 16.0 was runing without problems because I didn't need to use this functionality in those months Here is my code for a UITest: import XCTest final class ScreenshotsUITests: XCTestCase { let app = XCUIApplication() let device = "iPhone16" override func setUpWithError() throws { continueAfterFailure = true } override func tearDownWithError() throws {} @MainActor func testEnglishScreens() throws { let lang = "en" app.launchArguments.append("UITestMode") app.launchArguments += ["-AppleLanguages", "(en)"] app.launchArguments += ["-AppleLocale", "en_US"] app.launch() executeTestsForMenus(lang: lang, backLabel: "Back") executeTestForMatch(lang: lang) } @MainActor func testSpanishScreens() throws { let lang = "es" app.launchArguments.append("UITestMode") app.launchArguments += ["-AppleLanguages", "(es)"] app.launchArguments += ["-AppleLocale", "es_ES"] app.launch() executeTestsForMenus(lang: lang, backLabel: "Atrás") executeTestForMatch(lang: lang) } private func executeTestForMatch(lang: String) { let startButton = app.buttons["start-button"] startButton.tap() let key4 = app.buttons["key-4"] XCTAssertTrue(key4.waitForExistence(timeout: 30), "Key 4 in match screen is not found") key4.tap() let key2 = app.buttons["key-2"] XCTAssertTrue(key2.exists, "Key 2 in match screen is not found") key2.tap() makeScreenShot("playing", lang: lang) let closeButton = app.buttons["close-button"] XCTAssertTrue(closeButton.exists, "Close button in match screen is not found") closeButton.tap() } private func executeTestsForMenus(lang: String, backLabel: String) { let mainHeader = app.staticTexts["Math match"] XCTAssertTrue(mainHeader.exists, "Header in main screen is not found") makeScreenShot("mainMenu", lang: lang) let settingsButton = app.buttons["settings-button"] XCTAssertTrue(settingsButton.exists, "Settings button in main screen is not found") settingsButton.tap() makeScreenShot("Settings", lang: lang) let backButton = app.buttons[backLabel] XCTAssertTrue(backButton.exists, "Back button in match screen is not found") backButton.tap() let helpButton = app.buttons["help-button"] XCTAssertTrue(helpButton.exists, "Help button in main screen is not found") helpButton.tap() makeScreenShot("Help", lang: lang) backButton.tap() let scoreButton = app.buttons["score-button"] XCTAssertTrue(scoreButton.exists, "Scores button in main screen is not found") scoreButton.tap() makeScreenShot("Scores", lang: lang) backButton.tap() let playButton = app.buttons["play-button"] XCTAssertTrue(playButton.exists, "Play button in main screen is not found") playButton.tap() makeScreenShot("matchBuilder", lang: lang) let startButton = app.buttons["start-button"] XCTAssertTrue(startButton.exists, "Start button in match builder screen is not found") } private func makeScreenShot(_ name: String, lang: String) { takeScreenshot(app, named: "\(lang)-\(name)-\(device)") } } import XCTest extension XCTestCase { func takeScreenshot(_ app: XCUIApplication, named name: String, fullScreen: Bool = false) { let screenshot: XCUIScreenshot if fullScreen { screenshot = app.windows.firstMatch.screenshot() } else { screenshot = XCUIScreen.main.screenshot() } let screenshotAttachment = XCTAttachment( uniformTypeIdentifier: "public.png", name: "screenshot-\(name).png", payload: screenshot.pngRepresentation, userInfo: nil) screenshotAttachment.lifetime = .keepAlways add(screenshotAttachment) } } and here is the content of my testplan file: { "configurations" : [ { "id" : "35BC7C0B-9A5A-4027-9F30-36958C4C1AAF", "name" : "Test Scheme Action", "options" : { "preferredScreenCaptureFormat" : "screenshot", "testExecutionOrdering" : "random", "uiTestingScreenshotsLifetime" : "keepAlways", "userAttachmentLifetime" : "keepAlways" } } ], "defaultOptions" : { "targetForVariableExpansion" : { "containerPath" : "container:myAppProject.xcodeproj", "identifier" : "B27D1B022CA00314001A259B", "name" : "MyAppProject" } }, "testTargets" : [ { "parallelizable" : true, "target" : { "containerPath" : "container:MyAppProject.xcodeproj", "identifier" : "B27D1B122CA00315001A259B", "name" : "MyAppProjectTests" } }, { "parallelizable" : true, "target" : { "containerPath" : "container:MyAppProject.xcodeproj", "identifier" : "B27D1B1C2CA00315001A259B", "name" : "MyAppProjectUITests" } } ], "version" : 1 } I made tests with old projects in my machine and those projects have the same problem with screenshot files in the xcresult bundles I don't know if the problem is in my machine, my Xcode, MacOS or other ting. I don't know how to fix this problem Please, can anyone help me? Thanks in advance

We've encountered a critical issue with the new linker of CLT16 (version 16.1.0.0.1.1729049160) that prevents proper initialization of BLOCK DATA. BLOCK DATA are used to initialize global variables in our Fortran code, and its failure to initialize those variables leads to a program crash. This affects our community of more that thousand scientists worldwide. The current workaround is using the -ld_classic linker option. However, this option is deprecated and will be removed in a future release, as described in the Xcode release note. I've attached a minimal example that reproduces the problem using GNU gfortran with the following instructions (the attached main.f.txt and bd.f.txt need to be rename to main.f and bd.f, respectively): gfortran -c bd.f gfortran -c main.f ar rv libtest.a bd.o main.o gfortran -ld_classic -o good.x -L. libtest.a gfortran -o bad.x -L. libtest.a Running the two programs, one can see that the BLOCK DATA are not initialised without the option ld_classic, $ > ./good.x 3.7273802569289098 2.8083922366048202 $ > ./bad.x 0.0000000000000000 0.0000000000000000 We kindly request your attention to this matter and a prompt solution or alternative workaround. Best regards main.f.txt bd.f.txt part.txt

Despite the recommendation of DTS Engineers at [https://forums.developer.apple.com/forums/thread/766500, Xcode 16.1 ](https://forums.developer.apple.com/forums/thread/766500, Xcode 16.1 ) the same behavior when automatically signing in our CI/CD environment: The operation couldn’t be completed. Unable to log in with account '<APPLE-ID>'. The login details for account '<APPLE-ID>' were rejected. error: No profiles for '<BUNDLE-ID>' were found: Xcode couldn't find any iOS App Development provisioning profiles matching '<BUNDLE-ID>' ** ARCHIVE FAILED ** In addition, we see several orphaned Xcode username entries in the local keychain / Keychain Access app that match the identifier stored in com.apple.dt.Xcode.plist under the key DVTDeveloperAccountManagerAppleIDLists - IDE.Identifiers.Prod. (Preferences read com.apple.dt.Xcode DVTDeveloperAccountManagerAppleIDLists) or we see that the DeveloperID stored in Xcode - Settings - Accounts is lost. We have reset a Mac mini (2023 / arm) to factory settings, reinstalled Sequoia in the current version and installed Xcode 16.1 (16B40). Nevertheless, we see the behavior described above. This behavior is not reproducible for us. We have opened the following tickets, but have not received a response that explains the behavior or offers a solution. Case ID: 9935876 Feedback: FB15700530

Hi, so i'm trying to use Activity.update but XCode throws an error if I don't use the ios 16 syntax, only to throw a warning that it's deprecated if I do. Screenshots below. Should I bug report or is there a known workaround?

I’m using a Mac Mini M2 with macOS Sequoia 15.1 and running a virtual machine with the same OS. While logging into my account works in System Settings, adding it to Xcode 16.1 fails after the initial login with a decoding error: Decoding Error There was a failure decoding response: (HTTP 401, 60 bytes). There are similar issues in https://developer.apple.com/forums/thread/767673 and https://developer.apple.com/forums/thread/759877

Hi team, We're using CocoaPods in our project and we noticed the compiler fails to build certain targets saying it's "Missing required module 'x'" when trying to build them in Swift 6: We realized the modules the compiler is complaining about are pod dependencies required by the other target dependencies, and that this error will only appear when building with Swift 6 unless such dependencies are described on the Podfile as direct dependencies of the target, or we include them in the framework search paths. For example, the error in the image above will show if module 'X' import 'Y' and 'Y' imports 'CocoaLumberJack' and we don't specify a direct dependency between 'X' and 'CocoaLumberJack'. Regardless of the fact that we can manually add the missing module location to the target search paths, we'd like to understand why we're facing this issue in the first place, what changed between Swift 5 and Swift 6 that's requiring us now to explicitly describe these dependencies. I'd appreciate if someone could tell us more about this. We're particularly interested on knowing if this is an intentional change and how to handle it properly. Thanks

I'm trying to create a preview for my live activities when it's stale, so I created a preview provider. I followed some examples, but XCode says I'm missing preview context. Am I doing something wrong? I tried adding .previewContext(WidgetPreviewContext(family: .systemSmall)) but that doesn't seem to work.

What's the problem? My app requests location access and for that I need to provide a description for the user to read so that it is clear why we need this permission. I'm using the latest solution suggested by XCode for my app localization which is using Localizable.xcstrings file. But for the permission description, I'm adding the text to Targets -> Info -> Custom iOS Target Properties -> "Privacy - Location Always and When In Use Usage Description". I understand that the default language is English in this list so I provided it, but now I want this description to be translated to other languages so that my users can read it in their preferred language. What I have tried so far? I tried adding translation to the keys "INFOPLIST_KEY_NSLocationAlwaysAndWhenInUseUsageDescription" and "NSLocationAlwaysAndWhenInUseUsageDescription" in my "Localizable.xcstrings" but it is always showing the description in English

Here is a modified code from the documentation example https://www.swift.org/documentation/server/guides/memory-leaks-and-usage.html#troubleshooting : class ViewController: UIViewController { var closure: () -> Void = { () } public func doNothing() {} public func doSomethingThatLeaks() { self.closure = { // This will leak as it'll create a permanent reference cycle: // // self -> self.closure -> self self.doNothing() } } override func viewDidLoad() { super.viewDidLoad() // Memory leak example: doSomethingThatLeaks() // Abandoned memory example: // NotificationCenter.default.addObserver(forName: .init("Abandoned"), object: nil, queue: nil) { _ in // print("\(self)") // } } deinit { print(#function, Self.self) } } If you place it, for example, in a navigation controller, do a push-pop several times, deinit will not be printed. But if you look in the Debug Memory Graph, it will not even show that there is a strong reference to this controller: Only if you manually select: You can see that it is held by the closure context, which it holds: This is definitely not abandoned memory (like the commented piece of the code example), but it is not shown either in the Debug Memory Graph or in Instruments Leaks. Why?