Dev client red screen: No script URL provided (launcher never appears)
ExpoConfirmed fix
Expo SDK 56+, EAS iOS dev builds
Error
No script URL providedCause
SDK 56 links Expo's prebuilt XCFrameworks on EAS (local builds compile from source). A prebuilt artifact mismatched a pinned native version (reanimated/worklets), React host startup broke, and expo-dev-launcher never got to intercept.
Fix
Disable precompiled modules for the development profile in eas.json and rebuild:
JSON
"development": { "env": { "EXPO_USE_PRECOMPILED_MODULES": "0" } }More Expo errors
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