Lucas Simpson maintained the wormhole-sdk-ts repository by updating its Ethereum testnet RPC endpoint, ensuring continued reliability for backend and blockchain development workflows. He replaced the deprecated Goerli endpoint with Sepolia, modifying the RPC configuration constants to align with current Ethereum testnet standards. This change addressed potential connectivity issues and stabilized both continuous integration and development environments. The update was implemented in TypeScript and tracked in a single commit, supporting reproducibility and traceability. While the work focused on a single bug fix rather than new features, it demonstrated careful attention to infrastructure maintenance and the evolving requirements of blockchain testing environments.