In June 2025, Amyles worked on the protocolbuffers/protobuf repository, focusing on modernizing Rust test assertions to improve maintainability and clarity. By updating test matchers from empty to is_empty throughout the Rust test suite, Amyles aligned the codebase with current Rust testing conventions without altering underlying protobuf functionality. This work, rooted in Rust and build systems expertise, enhanced test readability and consistency while ensuring test stability. The changes did not affect user-facing behavior but established a cleaner foundation for future improvements in testing and CI reliability. Amyles’s approach demonstrated careful attention to non-functional code quality and long-term maintainability.