Joshua Rayton focused on code maintenance and refactoring across two open-source repositories, emphasizing clarity and long-term maintainability. On the lichess-org/scalachess project, he resolved a naming inconsistency in bishop attack calculations, systematically updating method names and references from a persistent typo to the correct term, which improved code readability and reduced the risk of future bugs. In the rust-lang/rust repository, Joshua aligned issue tracking for floating-point constants in the Rust standard library, clarifying stability tracking and release planning. His work leveraged Rust and Scala, demonstrating careful attention to detail and coordination with maintainers to ensure consistency in system-level library development.