Worked on stability and maintenance for the React Native codebase, focusing on both iOS and Android platforms. In the githubnext/discovery-agent__facebook__react-native repository, addressed persistent compiler warnings in the iOS native bridge by restoring the maybe_unused attribute in Objective-C files, improving build reliability and code clarity. On Android, contributed to the facebook/react-native repository by reverting a protocol-passing change in the Hot Module Replacement workflow, simplifying the HMRClient and DevSupportManagerBase classes. Utilized Java and Objective-C to enhance code maintainability, reduce development risk, and ensure a smoother experience for developers working with React Native’s mobile development infrastructure.