Change8
Error2 reports

Fix IndexOutOfBoundsException

in React Native

Solution

IndexOutOfBoundsException in React Native typically occurs due to incorrect management of pending rendering updates, where the scheduler might process an older update when it should be using a newer one, leading to inconsistent state. To fix this, ensure your Fabric renderer implementation correctly prioritizes and merges the latest pending transactions to maintain a stable mount order and avoid accessing invalid array indices. Review and refactor the `schedulerDidFinishTransaction` logic to guarantee it always targets the most recent pending transaction for merging.

Timeline

First reported:Aug 27, 2026
Last reported:Aug 27, 2026

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