Allice developed a configurable prefetch expiry feature for the facebook/relay repository, enabling users to specify data expiration timing through a new prefetchExpiryInHours option in PreloadOptions. She extended the API surface to expose this setting from the entrypoint, allowing downstream teams to control data freshness and fetch behavior more precisely. Her work involved close collaboration on API design and consumer-facing changes, ensuring seamless integration for React-based front end applications. Using JavaScript and React, Allice delivered a focused, well-scoped feature that improved data management flexibility. The contribution demonstrated solid technical depth within a short timeframe, though it addressed a single feature.