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[iOS 26] App crashes on launch (SIGABRT) built with Xcode 26 #34

@axelandre

Description

@axelandre

Hi, my app crashes immediately on launch when built with Xcode 26. Same codebase with Xcode 16.2 works fine.

Environment
@thinksys/react-native-mediapipe: 0.0.21
Expo SDK 54.0.20 / React Native 0.81.5
New Architecture enabled
EAS build image: macos-sequoia-15.5-xcode-26.0
iOS 26.3.1 — iPhone 12 Pro
Distribution: TestFlight
What happens

App crashes before any screen renders. Splash flashes for a fraction of a second, then terminates.

Crash is on expo.controller.errorRecoveryQueue — fatal uncaught exception during JS bundle initialization, likely a native module failing to initialize.

Exception Type: EXC_CRASH (SIGABRT)
Termination: abort() called
Queue: expo.controller.errorRecoveryQueue
-[NSException raise]
objc_exception_throw
__cxa_throw
_objc_terminate()
abort

Context
Apple's ITMS-90725 deadline is April 28 — all new submissions must use the iOS 26 SDK. This makes Xcode 26 compatibility a blocker.

Is 0.0.21 compatible with Xcode 26 / iOS 26? Any workaround?

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