Over a two-month period, contributed to both the valhalla/valhalla and servo/servo repositories, focusing on Rust-based feature development and reliability improvements. Developed a Rust polyline decoder for valhalla/valhalla, implementing parsing logic, validation tests, and documentation to support cross-language polyline processing. In servo/servo, enhanced public APIs for clipboard management and input method controls, improved event loop correctness through trait enforcement, and addressed debugging needs by implementing missing Debug traits. The work emphasized robust testing, clear documentation, and concurrent programming practices, resulting in more reliable integrations and improved developer experience across system programming and front end development contexts.