When I try to install the iOS 26.0 Universal Simulator component with Xcode-beta 5 I get the following error:
Download failed.
Domain: DVTDownloadableErrorDomain
Code: 41
User Info: {
DVTErrorCreationDateKey = "2025-08-11 14:39:06 +0000";
}
--
Download failed.
Domain: DVTDownloadableErrorDomain
Code: 41
--
System Information
macOS Version 15.6 (Build 24G84)
Xcode 26.0 (24198.5) (Build 17A5295f)
Timestamp: 2025-08-11T17:39:06+03:00
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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.
Topic:
Developer Tools & Services
SubTopic:
Xcode
OS version:15.6 (24G84). mac mini m 4
Xcode:16.4
stack:
Translated Report (Full Report Below)
Process: Xcode [5261]
Path: /Applications/Xcode.app/Contents/MacOS/Xcode
Identifier: com.apple.dt.Xcode
Version: 16.4 (23792)
Build Info: IDEApplication-23792000000000000~2 (16F6)
App Item ID: 497799835
App External ID: 874973124
Code Type: ARM-64 (Native)
Parent Process: launchd [1]
User ID: 501
Date/Time: 2025-08-11 19:57:18.7642 +0800
OS Version: macOS 15.6 (24G84)
Report Version: 12
Anonymous UUID: 314F3813-7BB3-0263-1826-79D64A62D963
Time Awake Since Boot: 700 seconds
System Integrity Protection: enabled
Crashed Thread: 0 Dispatch queue: com.apple.main-thread
Exception Type: EXC_BREAKPOINT (SIGTRAP)
Exception Codes: 0x0000000000000001, 0x00000001ab5dc1f8
Termination Reason: Namespace SIGNAL, Code 5 Trace/BPT trap: 5
Terminating Process: exc handler [5261]
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 libswiftCore.dylib 0x1ab5dc1f8 assertionFailure(:_:file:line:flags:) + 176
1 libswiftCore.dylib 0x1ab64a378 swift_unexpectedError + 656
2 IDEKit 0x108d2edc4 EditorGalleryView.exhibitIdentifiers(in:) + 972
3 IDEKit 0x108d2978c EditorGalleryView.commitState(to:) + 2640
4 IDEKit 0x108d29a64 @objc EditorGalleryView.commitState(to:) + 52
5 DVTFoundation 0x1046fe9d0 -[DVTStateToken _copyStatefulObjectState] + 84
6 DVTFoundation 0x1046feaa8 -[DVTStateToken pushStateToRepositoryAndReturnError:] + 52
7 DVTFoundation 0x10481ab48 -[DVTStateRepository _updateStateIfNeeded] + 232
8 DVTFoundation 0x1046fe9f0 -[DVTStateToken _copyStatefulObjectState] + 116
9 DVTFoundation 0x1046feaa8 -[DVTStateToken pushStateToRepositoryAndReturnError:] + 52
10 DVTFoundation 0x10481ab48 -[DVTStateRepository _updateStateIfNeeded] + 232
11 DVTFoundation 0x1046fe9f0 -[DVTStateToken _copyStatefulObjectState] + 116
12 DVTFoundation 0x1046feb04 -[DVTStateToken _stateDictionary] + 12
13 IDEKit 0x1089a2a38 -[IDEEditorContext _currentHistoryItemAllowingCoalescingAdjustment:] + 508
14 IDEKit 0x10899f11c -[IDEEditorContext willBeginTransactionScopeForNavigableItemCoordinator:] + 332
15 IDEKit 0x1087b3600 __35-[IDENavigableItemCoordinator init]_block_invoke + 148
16 DVTFoundation 0x1047a3ef0 -[DVTObservingBlockToken observeValueForKeyPath:ofObject:change:context:] + 440
17 Foundation 0x19b49c7b4 NSKeyValueNotifyObserver + 252
18 Foundation 0x19b549560 NSKeyValueDidChange + 388
19 Foundation 0x19b48f99c -[NSObject(NSKeyValueObservingPrivate) _changeValueForKeys:count:maybeOldValuesDict:maybeNewValuesDict:usingBlock:] + 760
20 Foundation 0x19b4b805c -[NSObject(NSKeyValueObservingPrivate) _changeValueForKey:key:key:usingBlock:] + 64
21 Foundation 0x19b577434 _NSSetBoolValueAndNotify + 404
22 DVTFoundation 0x104895f18 -[DVTModelGraphTransactionScope _beginTransactionDownward] + 48
23 DVTFoundation 0x104896160 -[DVTModelGraphTransactionScope performTransaction:] + 48
24 DVTFoundation 0x1047a0b30 -[DVTModelObjectGraph performBlockCoalescingModelChanges:] + 136
25 IDEFoundation 0x10d510c80 -[IDEFileReference _invalidateStartingWith:changeBlock:] + 172
26 IDEFoundation 0x10d511c00 -[IDEFileReference discoveredFileDataType] + 300
27 IDEKit 0x1088cda84 -[IDEFileReference(IDEKitFileReferencePropertyAdditions) navigableItem_contentDocumentLocation] + 32
28 IDEKit 0x1089030c0 -[IDEKeyDrivenNavigableItem contentDocumentLocation] + 68
29 IDEKit 0x108a4a644 +[IDENavigableItem _navigableItemForNavigationFromNavigableItem:workspace:] + 80
dyld[2515]: Symbol not found: _NSUserActivityTypeBrowsingWeb
Referenced from: /private/var/containers/Bundle/Application/94D2F46D-70B0-4770-9DC3-50953F03A984/jiaxiaozhijia-ios.app/jiaxiaozhijia-ios.debug.dylib
Expected in: <3BCD2D21-B96D-3B5F-8C58-3AFFFD6466A4> /System/Library/Frameworks/CoreServices.framework/CoreServices
Symbol not found: _NSUserActivityTypeBrowsingWeb
Referenced from: /private/var/containers/Bundle/Application/94D2F46D-70B0-4770-9DC3-50953F03A984/jiaxiaozhijia-ios.app/jiaxiaozhijia-ios.debug.dylib
Expected in: <3BCD2D21-B96D-3B5F-8C58-3AFFFD6466A4> /System/Library/Frameworks/CoreServices.framework/CoreServices
dyld config: DYLD_LIBRARY_PATH=/usr/lib/system/introspection DYLD_INSERT_LIBRARIES=/usr/lib/libLogRedirect.dylib:/usr/lib/libBacktraceRecording.dylib:/usr/lib/libMainThreadChecker.dylib:/usr/lib/libRPAC.dylib:/usr/lib/libViewDebuggerSupport.dylib:/System/Library/PrivateFrameworks/GPUToolsCapture.framework/GPUToolsCapture
请告诉我们该怎么做?现在xcode26beta5版本是不是还没有修复?
Topic:
Developer Tools & Services
SubTopic:
Xcode
在项目中没有发现CoreServices.framework,然后编译运行就出现崩溃
Topic:
Developer Tools & Services
SubTopic:
Xcode
**Background:
Many iOS/macOS developers have faced issues like:
• Autocomplete randomly stopping
• Indexing freezing or slowing down
• SwiftUI previews breaking unexpectedly
• Build process hanging or crashing
Even after multiple updates, these issues seem to come back in different forms.
**
Do you think Apple should consider a full architectural rewrite of Xcode?
Would separating SDK updates from IDE updates help?
How do you personally deal with Xcode’s instability in your workflow?
I created an app that uses the camera function in Xcode, but it says I don't have camera permission. The app only runs once and then won't run again. The log below says "No active account." Is this because my paid account isn't properly reflected in Xcode? In Xcode Settings > Account, I'm logged in my acciunt, with the team set to "my Organization name" and the role set to "admin." However, in Manage Certificates, the Status is blank. It should say "Valid." How can I properly reflect my account in Xcode?
Error enumerating all transactions: Error Domain=ASDErrorDomain Code=509 "No active account" UserInfo={NSLocalizedDescription=No active account}
Topic:
Developer Tools & Services
SubTopic:
Xcode
I'm just getting started with swift development using Xcode 164 on a MacBook Pro running Sequoia 15.6. When I try to run the simplest "Hello World" app against iPhone simulators, I get the error messages below. I've looked at that location and none of the directory structure /private/var/db/eligibilityd below the 2224B135-8383-4C69-B339-B6DF9D88F6FD folder exists. Just wondering if I have a config error somewhere or if there's somewhere else I should be looking to correct this. It doesn't occur when I run on a physical iPhone device.
Error message:
load_eligibility_plist: Failed to open /Users/****/Library/Developer/CoreSimulator/Devices/DB1919F3-ECB8-4C55-817C-85B68F083F57/data/Containers/Data/Application/2224B135-8383-4C69-B339-B6DF9D88F6FD/private/var/db/eligibilityd/eligibility.plist: No such file or directory(2)
Failed to send CA Event for app launch measurements for ca_event_type: 0 event_name: com.apple.app_launch_measurement.FirstFramePresentationMetric
Failed to send CA Event for app launch measurements for ca_event_type: 1 event_name: com.apple.app_launch_measurement.ExtendedLaunchMetrics
Xcode 26 Beta 5 XIB Compiler outputs NIBs with dependency on class that isn't available pre-macOS 26
When Xcode 26 Beta 5 compiles my XIBs into NIBs, it spits out a dependency on a class that isn't available pre-macOS 26, named _TtCC6AppKit14NSScrollPocketP33_EC3F85FAB7755D56E669206D2B17725B12BackdropView.
All XIBs have a deployment target of macOS 12, so in theory this should be avoided. Even if this is a new (internal) class to macOS 26, the dependency is a problem when the developer is asking to deploy to prior versions.
Has anyone else run into this regression? What could possibly be causing the XIB compiler to inject this dependency? The resulting NIBs don't load on anything prior to macOS 26.
We distribute our macOS products as a PKG downloaded from our website. To simplify configuration for our customers, we create a PKG for each customer that contains identifying data for that customer. We are currently doing this by notarizing the PKG for each customer and uploading the result. Since we sometimes exceed the notarization limit of 75/day, we began investigating other ways of including the identifying data.
One avenue seemed to be the extended attribute com.apple.application-instance, but after experimentation it appears that this attribute does not persist through downloads. There are very few resources describing this attribute (TN2206) but a close reading seems to confirm that the attribute has to be set on the user’s machine.
Can you confirm that this is the case? Is there any other way for customizing an installer PKG that won’t run afoul of notarization limits?
Failed fetching catalog for assetType (com.apple.MobileAsset.MetalToolchain), serverParameters ({
RequestedBuild = 17A5295f;
})
Domain: DVTDownloadsUtilitiesErrorDomain
Code: -1
User Info: {
DVTErrorCreationDateKey = "2025-08-08 07:59:24 +0000";
}
Failed fetching catalog for assetType (com.apple.MobileAsset.MetalToolchain), serverParameters ({
RequestedBuild = 17A5295f;
})
Domain: DVTDownloadsUtilitiesErrorDomain
Code: -1
Download failed due to not being able to find the host. (Catalog download for com.apple.MobileAsset.MetalToolchain)
Domain: com.apple.MobileAssetError.Download
Code: 59
User Info: {
checkConfiguration = 1;
}
System Information
macOS Version 26.0 (Build 25A5327h)
Xcode 26.0 (24198.5) (Build 17A5295f)
Timestamp: 2025-08-08T08:59:24+01:00
Xcode 26 Beta 5 Universal: Not able to install iOS 26 Beta 5 simulator on intel macs
Below log is shown:
Download failed.
Domain: DVTDownloadableErrorDomain
Code: 41
User Info: {
DVTErrorCreationDateKey = "2025-08-08 06:37:48 +0000";
}
Download failed.
Domain: DVTDownloadableErrorDomain
Code: 41
System Information
macOS Version 15.5 (Build 24F74)
Xcode 26.0 (24198.5) (Build 17A5295f)
Is simulator run time for Xcode 26 Beta 5 not given out yet?
However I am able to download simulators on Apple Silicon macs with same Universal installer.
Has anyone faced similar issue?
This question is a component of this question and an extension to this question which has been solved. This situation might feel a pinch constructed but it is a simplified version of one step of the original question.
Basically in my app I have a script that outputs a folder with a few files inside of it. This folder is output to $(BUILT_PRODUCTS_DIR)/build/ and is referenced via a PBXBuildFile. Because I put a wait in the script (to simulate a long build I have in my real project) it is very obvious when the script is or isn't run. The goal would be for it to run only when its dependencies have changed.
The trick is if I put this script as a "run script" phase within my final target dependency analysis works great. The script only runs when the dependencies are updated. However if I put the "run script" phase into an aggregate target then add it as a Target Dependency in the main target Xcode wants to run the script every time. Regardless of if the dependencies have changed. However if you build just the aggregate target alone everything goes just fine. It only builds when it has to.
To me this does not quite make sense. I thought that dependency analysis of the script within my aggregate target would be the same regardless of whether that script was within the aggregate target or the main target.
In my app I ideally need the aggregate target to be shared by multiple other targets. While I could put the script in each it would be more foolproof to have them share an aggregate target.
Why would dependency analysis come to a different conclusion when the script is within an aggregate target that is a target dependency of the main target?
If it helps here is the script and the entire project can be found here on GitHub if you would like to play with it.
mkdir -p "${SCRIPT_OUTPUT_FILE_0}/build/"
echo "Pausing for 10 seconds before creating files..."
sleep 10
cat "${SCRIPT_INPUT_FILE_0}"
cat > "${SCRIPT_OUTPUT_FILE_0}/build/index.html" << EOF
<!DOCTYPE html>
<html>
<head>
<title>Simple Page</title>
</head>
<body>
<h1>Welcome to Simple Page</h1>
<p>Generated at: $(date)</p>
</body>
</html>
EOF
cat > "${SCRIPT_OUTPUT_FILE_0}/build/page.html" << 'EOF'
<!DOCTYPE html>
<html>
<head>
<title>Simple Page</title>
</head>
<body>
</body>
</html>
EOF
I'm writing an app using the latest Xcode 26 beta, and I'm finding an issue with dark mode and Date and time pickers. Basically, when I preview a view using the canvas in Xcode, it works as expected, however, when I build and run the app in a simulator or on my phone, dark mode looks horribly wrong.
When I try building the app using Xcode 16, it looks as expected, but with Xcode 26, it looks like the shot.
I haven't seen anything listed as a bug, but I'd appreciate any suggestions. Thanks.
Topic:
Developer Tools & Services
SubTopic:
Xcode
Hi all.
I have tried using UIDesignRequiresCompatibility YES & NO for an application.
Running on iOS 26 BETA 5 makes no difference to the UI.
Running on Simulator MacOSS 26 BETA 5 makes no difference to the UI.
Anyone had luck with this info plist setting?
I have a project that leverages XPC and has interoperability between Swift and Objective-C++. I am presently getting a compile-time error in one of our unit test targets, of "Argument passed to call that takes no arguments" on the following code:
let interface = NSXPCInterface(with: XPCServiceDelegate.self)
My XPCServiceDelegate protocol is defined as:
@objc(XPCServiceDelegate) public protocol XPCServiceDelegate {
//...
}
For the longest time, this code has compiled successfully, and it has not recently changed. There are two confusing things about this error. The first is that I have a different build scheme that will compile correctly other code with the same structure. The other is that I have team members that are able to compile my failing scheme successfully on the same XCode version, OSVersion, and branch of our repository.
I've attempted numerous things to try to get this code to compile, but I've run out of ideas.
Here's what I've tried:
Clean build both on XCode 16.4 and XCode 26 Beta
Delete DerivedData and rebuild on XCode 16.4 and XCode 26 Beta
Delete and re-clone our git repository
Uninstall and reinstall XCode
Attempt to locate cached data for XCode and clear it out. (I'm not sure if I got everything that exists on the system for this.)
Ensure all OS and XCode updates have been applied.
The interface specification for NSXPCInterface clearly has an initializer with one arguement for the delegate protocol, so I don't know why the compiler would fail for this. Is there some kind of forward declaration or shadowing of NSXPCInterface? Do you have any ideas on what I could try next?
My current laptop has reached its Zenith... I'm running a MacBook Pro (13-inch, 2016, Four Thunderbolt 3 Ports) with Montery 12.7.6. I can no longer upgrade the software Xcode so I'm stuck in X Code Version 14.2.
I've built an app. I need to upload and push to my mobile, but I can't b/c of the old software. I've moved the files to my wife's newer MacBook, but the app doesn't work.
I have no problem buying a newer Mac, I want to make sure that it will work prior to.
The Apple Store couldn't help, and requested that I contact Apple Care.. which Tier 2 could not assist.
If anyone is out there that can assist, I will be greatly appreciative.
Topic:
Developer Tools & Services
SubTopic:
Xcode
how to fix
https:// i.ibb.co/SwZ76KzZ/Screenshot-2025-08-07-at-10-35-24-AM.png
Topic:
Developer Tools & Services
SubTopic:
Xcode
With Xcode 26.0 beta 5 (17A5295f) when I run the following command
xcodebuild -downloadComponent metalToolchain
I get the following error:
xcodebuild[48851:12478851] Writing error result bundle to /var/folders/b_/g67r_tl557z244g20ncr_qmsd9wrz1/T/ResultBundle_2025-07-08_11-10-0012.xcresult
xcodebuild: error: Failed fetching catalog for assetType (com.apple.MobileAsset.MetalToolchain), serverParameters ({
RequestedBuild = 17A5295f;
})
I can't install the toolchain from the Xcode GUI also. Does someone know a workaround ?
I failed to download Metal toolchain for Xcode Beta 5.
Downloading in Settings -> Components didn't work so I tried in terminal but didn't work too.
/tmp xcodebuild -downloadComponent metalToolchain -exportPath ~/Downloads
Beginning asset download...
2025-08-07 16:38:44.867 xcodebuild[91064:2244768] Writing error result bundle to /var/folders/bb/xtdv2kgn6rq3zxqs4f8f1j4w0000gn/T/ResultBundle_2025-07-08_16-38-0044.xcresult
xcodebuild: error: Failed fetching catalog for assetType (com.apple.MobileAsset.MetalToolchain), serverParameters ({
RequestedBuild = 17A5295f;
})
Topic:
Developer Tools & Services
SubTopic:
Xcode