During June 2025, Brian Moss developed a cross-platform Rust source dependency for the conda/rattler repository, ensuring that rust-src is reliably available for building and developing the py-rattler project. He addressed dependency management challenges by updating TOML configuration files to include rust-src across targeted platforms, which stabilized build processes and improved developer onboarding. This work laid the foundation for future Rust-Python integration by guaranteeing consistent access to Rust sources in diverse environments. Although the scope was focused, Brian’s contribution demonstrated a solid understanding of cross-platform dependency management and build reliability, directly supporting the maintainability and extensibility of the project.