During December 2024, Fernando Chern integrated the Riegeli compression library into the grpc/bazel-central-registry repository, focusing on robust multi-toolchain build configuration. He used Bazel and Starlark to standardize dependency management for both C++ and Python toolchains, ensuring compatibility with various compression libraries and Python versions. Fernando also implemented presubmit checks to automatically verify C++ and Python targets, which reduced continuous integration failures and improved build reliability. His work addressed the need for consistent cross-language data compression support, demonstrating depth in build system configuration and dependency management while enhancing the maintainability and stability of the repository’s build process.