Worked on the bevyengine/bevy-website repository to enhance the robustness and data safety of local system parameter handling. Focused on systems programming using Rust, the developer addressed a bug that previously allowed unintended data copies by refining mutable access patterns. The solution involved replacing direct unwrap() calls with as_mut().unwrap(), ensuring that mutable references to local parameters were handled correctly and reducing the risk of runtime errors. This targeted fix improved the maintainability and reliability of the codebase, aligning with project conventions and linking changes to the relevant issue for traceability. No new features were added during this period.