During January 2025, this developer focused on enhancing the leptos-rs/cargo-leptos repository by upgrading its SWC (Speedy Web Compiler) dependency to version 10.0. The work involved careful management of Rust dependencies, updating both Cargo.toml and Cargo.lock to ensure version alignment and checksum accuracy. By validating build integrity and downstream compatibility after the upgrade, the developer reduced maintenance risk and improved the project’s future readiness. The approach demonstrated proficiency in Rust, dependency management, and build tooling integration. Documentation was provided to clarify the rationale behind the upgrade, supporting maintainers and easing future updates for downstream consumers. No bugs were reported.