Andrew focused on stabilizing build processes and enhancing cross-platform compatibility for the TanStack/query repository. He addressed a persistent Metro bundler resolution issue in React Native environments by adding the react-native field to package.json, improving dependency management and reducing build failures for mobile and hybrid projects. Using skills in build tools and JSON, Andrew delivered a targeted bug fix that enabled smoother integration of TanStack/query with React Native. His work demonstrated a precise approach to dependency resolution, addressing a known problem with minimal code churn and strengthening the maintainability of the repository for existing users across diverse development environments.