During December 2024, Dr. Jones worked on the mozilla/sccache repository, focusing on improving CI stability and dependency management. They implemented conditional test gating for S3 and GCS feature flags, ensuring that tests only ran when the relevant features were enabled, which reduced false test failures and improved reliability. To better reflect actual usage patterns, Dr. Jones refactored dependencies by moving shared crates such as memmap2, object, and shlex from dist-server-only to main dependencies. Their work involved Rust and TOML, leveraging skills in conditional compilation and testing to clarify dependency boundaries and enhance the maintainability of the codebase.