[RN][iOS] Use precompipled binaries by default#54895
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## Description This PR overrides the new default for downloading prebuild binaries for RN core since 0.84. We need the source code for debugging in our Example app. Relevant commit from RN: react/react-native#54895 ## Changes Env vars: RCT_USE_PREBUILT_RNCORE is set to '0' in the Podfile. From READMEs and comments: > ## - RCT_USE_PREBUILT_RNCORE: If set to 1, it will use the release tarball from Maven instead of building from source. ## Test plan Make sure FabricExample builds & the source code is available in XCode. ## Checklist n/a - [x] Ensured that CI passes
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Summary:
This change set up React native to use the precompiled binaries by default.
Users can still turn them off by passing
RCT_USE_PREBUILT_RNCORE=0 bundle exec pod installBy default, RNTester will still build from source.
Changelog:
[iOS][Changed] - Use prebuild by default
Test Plan:
Tested on a React native app created using RN 0.83.0