Hi, App crashes on launch on iOS 26.3.1 after building with Xcode 26.4. dyld: Symbol not found: MetricKit.mxSignpost Works fine on iOS 26.4+. FB: FB22384135 Anyone else seeing this or any workaround? Thanks.

Referenced from: <BE7BFAFD-CE49-3373-9146-F342D87BF49F> /private/var/containers/Bundle/Application/FF873B01-8EA2-4C96-9DBE-D2FDE6BD6B42/MyApp.app/MyApp.debug.dylib Expected in: <BD4E2A51-DF45-3674-9B18-9D6527AE18BD> /System/Library/Frameworks/MetricKit.framework/MetricKit Symbol not found: _$s9MetricKit10mxSignpost_3dso3log4name10signpostID__ySo03os_H7_type_ta_SVSo03OS_j1_F0Cs12StaticStringV0J0010OSSignpostI0VALSays7CVarArg_pGtF Referenced from: <BE7BFAFD-CE49-3373-9146-F342D87BF49F> /private/var/containers/Bundle/Application/FF873B01-8EA2-4C96-9DBE-D2FDE6BD6B42/MyApp.app/MyApp.debug.dylib Expected in: <BD4E2A51-DF45-3674-9B18-9D6527AE18BD> /System/Library/Frameworks/MetricKit.framework/MetricKit dyld config: DYLD_LIBRARY_PATH=/usr/lib/system/introspection DYLD_INSERT_LIBRARIES=/usr/lib/libLogRedirect.dylib:/usr/lib/libBacktraceRecording.dylib:/usr/lib/libMainThreadChecker.dylib:/usr/lib/libRPAC.dylib:/usr/lib/libViewDebuggerSupport.dylib:/System/Library/PrivateFrameworks/GPUToolsCapture.framework/GPUToolsCapture Symbol not found: _$s9MetricKit10mxSignpost_3dso3log4name10signpostID__ySo03os_H7_type_ta_SVSo03OS_j1_F0Cs12StaticStringV0J0010OSSignpostI0VALSays7CVarArg_pGtF Referenced from: <BE7BFAFD-CE49-3373-9146-F342D87BF49F> /private/var/containers/Bundle/Application/FF873B01-8EA2-4C96-9DBE-D2FDE6BD6B42/MyApp.app/MyApp.debug.dylib Expected in: <BD4E2A51-DF45-3674-9B18-9D6527AE18BD> /System/Library/Frameworks/MetricKit.framework/MetricKit 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 Same here

Same issue here, my iOS app has been stuck in processing for fourteen hours.