During March 2025, this developer focused on stabilizing the caching subsystem for the web-infra-dev/rsbuild repository. They addressed a persistent cache directory configuration issue by ensuring that the buildCache.cacheDirectory setting was properly respected, which reduced cache-related variability across different environments. Working primarily with TypeScript and leveraging expertise in build tools and caching, the developer’s targeted bug fix improved the reliability and predictability of persistent caching in both CI and local development workflows. Their contribution demonstrated a thoughtful approach to infrastructure stability, addressing a nuanced problem that enhanced the consistency of build processes without introducing new features during the period.