Overview
Using NotificationCenter's messages NSPersistentCloudKitContainer.EventChangedMessage (AsyncMessage) causes crash
When the this project is run on iOS 27 simulator, app crashes
Environment
- macOS: 26.5.1 (25F80)
- Xcode: Version 27.0 beta (27A5194q)
- Simulator: iPhone 17 Pro
- Simulator OS: iOS 27
Code causing the crash:
let messages = NotificationCenter.default.messages(
of: NSPersistentCloudKitContainer.self,
for: .eventChanged
)
Looks like the symbol is not even present
Feedback:
- FB23220378
Logs
dyld[31078]: Symbol not found: _$sSo29NSPersistentCloudKitContainerC8CoreDataE19EventChangedMessageVSo20NSNotificationCenterC10FoundationE05AsyncI0ACMc
Referenced from: <488D9AA6-ED4C-3189-9A08-044D576D498D> /Users/username/Library/Developer/CoreSimulator/Devices/331ADE41-8F3A-4EBE-9E3B-B335B29224D3/data/Containers/Bundle/Application/573DF3FC-E202-4D47-A85F-E5D4D1421EAC/NotificationMessageDemo.app/NotificationMessageDemo.debug.dylib
Expected in: <483D9879-24DB-3695-AFE5-B14E2D673F36> /private/var/run/com.apple.security.cryptexd/mnt/com.apple.iPhoneOS.SimulatorRuntime-v24.1.5355.16.mnzElK/Library/Developer/CoreSimulator/Profiles/Runtimes/iOS 27.0.simruntime/Contents/Resources/RuntimeRoot/System/Library/Frameworks/CoreData.framework/CoreData
Symbol not found: _$sSo29NSPersistentCloudKitContainerC8CoreDataE19EventChangedMessageVSo20NSNotificationCenterC10FoundationE05AsyncI0ACMc
Referenced from: <488D9AA6-ED4C-3189-9A08-044D576D498D> /Users/username/Library/Developer/CoreSimulator/Devices/331ADE41-8F3A-4EBE-9E3B-B335B29224D3/data/Containers/Bundle/Application/573DF3FC-E202-4D47-A85F-E5D4D1421EAC/NotificationMessageDemo.app/NotificationMessageDemo.debug.dylib
Expected in: <483D9879-24DB-3695-AFE5-B14E2D673F36> /private/var/run/com.apple.security.cryptexd/mnt/com.apple.iPhoneOS.SimulatorRuntime-v24.1.5355.16.mnzElK/Library/Developer/CoreSimulator/Profiles/Runtimes/iOS 27.0.simruntime/Contents/Resources/RuntimeRoot/System/Library/Frameworks/CoreData.framework/CoreData
dyld config: DYLD_SHARED_CACHE_DIR=/Library/Developer/CoreSimulator/Caches/dyld/25F80/com.apple.CoreSimulator.SimRuntime.iOS-27-0.24A5355p/ DYLD_ROOT_PATH=/private/var/run/com.apple.security.cryptexd/mnt/com.apple.iPhoneOS.SimulatorRuntime-v24.1.5355.16.mnzElK/Library/Developer/CoreSimulator/Profiles/Runtimes/iOS 27.0.simruntime/Contents/Resources/RuntimeRoot DYLD_LIBRARY_PATH=/Users/username/Library/Developer/Xcode/DerivedData/NotificationMessageDemo-gungjtytarzeijdspglltylscocj/Build/Products/Debug-iphonesimulator DYLD_INSERT_LIBRARIES=/private/var/run/com.apple.security.cryptexd/mnt/com.apple.iPhoneOS.SimulatorRuntime-v24.1.5355.16.mnzElK/Library/Developer/CoreSimulator/Profiles/Runtimes/iOS 27.0.simruntime/Contents/Resources/RuntimeRoot/usr/lib/libLogRedirect.dylib:/private/var/run/com.apple.security.cryptexd/mnt/com.apple.iPhoneOS.SimulatorRuntime-v24.1.5355.16.mnzElK/Library/Developer/CoreSimulator/Profiles/Runtimes/iOS 27.0.simruntime/Contents/Resources/RuntimeRoot/usr/lib/libMainThreadChecker.dylib:/usr/lib/libRPAC.dylib:/private/var/run/com.apple.security.cryptexd/mnt/com.apple.iPhoneOS.SimulatorRuntime-v24.1.5355.16.mnzElK/Library/Developer/CoreSimulator/Profiles/Runtimes/iOS 27.0.simruntime/Contents/Resources/RuntimeRoot/usr/lib/libViewDebuggerSupport.dylib DYLD_FRAMEWORK_PATH=/Users/username/Library/Developer/Xcode/DerivedData/NotificationMessageDemo-gungjtytarzeijdspglltylscocj/Build/Products/Debug-iphonesimulator DYLD_FALLBACK_FRAMEWORK_PATH=/private/var/run/com.apple.security.cryptexd/mnt/com.apple.iPhoneOS.SimulatorRuntime-v24.1.5355.16.mnzElK/Library/Developer/CoreSimulator/Profiles/Runtimes/iOS 27.0.simruntime/Contents/Resources/RuntimeRoot/System/Library/Frameworks DYLD_FALLBACK_LIBRARY_PATH=/private/var/run/com.apple.security.cryptexd/mnt/com.apple.iPhoneOS.SimulatorRuntime-v24.1.5355.16.mnzElK/Library/Developer/CoreSimulator/Profiles/Runtimes/iOS 27.0.simruntime/Contents/Resources/RuntimeRoot/usr/lib
Debug session ended with code 9: killed