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Ask questions☂️ Supporting Xcode 11 and iOS 13 Beta

This task tracks issues with Xcode 11 and iOS 13. Both are currently in Beta, with an expected release date sometime in September 2019.

Related Issues

Known Issues

Fixed Issues

facebook/react-native

Answer questions awgeorge

Anybody know anything about:

Started happening when our build machines updated to xcode11 - the code compiles fine, but the iOS app crashes on launch.

Last Exception Backtrace:
0   CoreFoundation                	0x193d73278 __exceptionPreprocess + 220 (NSException.m:199)
1   libobjc.A.dylib               	0x193a9c0a4 objc_exception_throw + 56 (objc-exception.mm:565)
2   APP_NAME.               	0x1023cbcb4 RCTFatal + 668
3   APP_NAME.               	0x10241c824 facebook::react::invokeInner(RCTBridge*, RCTModuleData*, unsigned int, folly::dynamic const&) + 712
4   APP_NAME.               	0x10241c3b4 invocation function for block in facebook::react::RCTNativeModule::invoke(unsigned int, folly::dy... + 88
5   libdispatch.dylib             	0x193a40658 _dispatch_call_block_and_release + 24 (init.c:1408)
6   libdispatch.dylib             	0x193a411cc _dispatch_client_callout + 16 (object.m:495)
7   libdispatch.dylib             	0x1939f3290 _dispatch_main_queue_callback_4CF$VARIANT$mp + 1044 (inline_internal.h:2487)
8   CoreFoundation                	0x193cf0c74 __CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE__ + 12 (CFRunLoop.c:1749)
9   CoreFoundation                	0x193cebc68 __CFRunLoopRun + 2004 (CFRunLoop.c:3069)
10  CoreFoundation                	0x193ceb16c CFRunLoopRunSpecific + 464 (CFRunLoop.c:3192)
11  GraphicsServices              	0x19db23328 GSEventRunModal + 104 (GSEvent.c:2246)
12  UIKitCore                     	0x197d55d0c UIApplicationMain + 1936 (UIApplication.m:4687)
13  APP_NAME.               	0x1022bc738 main + 88 (main.m:16)
14  libdyld.dylib                 	0x193b76424 start + 4

Thread 0 name:
Thread 0 Crashed:
0   libsystem_kernel.dylib        	0x0000000193b6bebc __pthread_kill + 8
1   libsystem_pthread.dylib       	0x0000000193a87794 pthread_kill$VARIANT$mp + 112 (pthread.c:1456)
2   libsystem_c.dylib             	0x00000001939dc8c0 __abort + 112 (abort.c:136)
3   libsystem_c.dylib             	0x00000001939dc850 abort + 112 (abort.c:107)
4   libc++abi.dylib               	0x0000000193b347d4 abort_message + 128 (abort_message.cpp:76)
5   libc++abi.dylib               	0x0000000193b349c4 demangling_terminate_handler() + 296 (cxa_default_handlers.cpp:66)
6   libobjc.A.dylib               	0x0000000193a9c358 _objc_terminate() + 124 (objc-exception.mm:701)
7   APP_NAME.               	0x00000001028611a4 CLSTerminateHandler() + 348
8   libc++abi.dylib               	0x0000000193b41304 std::__terminate(void (*)()) + 16 (cxa_handlers.cpp:59)
9   libc++abi.dylib               	0x0000000193b4129c std::terminate() + 44 (cxa_handlers.cpp:87)
10  libdispatch.dylib             	0x0000000193a411e0 _dispatch_client_callout + 36 (object.m:498)
11  libdispatch.dylib             	0x00000001939f3290 _dispatch_main_queue_callback_4CF$VARIANT$mp + 1044 (inline_internal.h:2487)
12  CoreFoundation                	0x0000000193cf0c74 __CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE__ + 12 (CFRunLoop.c:1749)
13  CoreFoundation                	0x0000000193cebc68 __CFRunLoopRun + 2004 (CFRunLoop.c:3069)
14  CoreFoundation                	0x0000000193ceb16c CFRunLoopRunSpecific + 464 (CFRunLoop.c:3192)
15  GraphicsServices              	0x000000019db23328 GSEventRunModal + 104 (GSEvent.c:2246)
16  UIKitCore                     	0x0000000197d55d0c UIApplicationMain + 1936 (UIApplication.m:4687)
17  APP_NAME.               	0x00000001022bc738 main + 88 (main.m:16)
18  libdyld.dylib                 	0x0000000193b76424 start + 4

<details> <summary>react-native info</summary> <pre> React Native Environment Info: System: OS: macOS 10.14.6 CPU: (16) x64 Intel(R) Core(TM) i9-9880H CPU @ 2.30GHz Memory: 540.87 MB / 16.00 GB Shell: 5.3 - /bin/zsh Binaries: Node: 11.15.0 - ~/.nvm/versions/node/v11.15.0/bin/node npm: 6.7.0 - ~/.nvm/versions/node/v11.15.0/bin/npm SDKs: iOS SDK: Platforms: iOS 13.0, DriverKit 19.0, macOS 10.15, tvOS 13.0, watchOS 6.0 Android SDK: API Levels: 29 Build Tools: 29.0.2 System Images: android-29 | Google Play Intel x86 Atom IDEs: Android Studio: 3.5 AI-191.8026.42.35.5791312 Xcode: 11.0/11A419c - /usr/bin/xcodebuild npmPackages: react: 16.8.3 => 16.8.3 react-native: 0.59.10 => 0.59.10 npmGlobalPackages: react-native-cli: 2.0.1 </pre> </details>

useful!

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