Vikram Gupta upgraded the Rust edition for the godaddy/serde repository, updating all relevant Cargo.toml files and the README from the 2018 to the 2021 edition. This work involved careful build system configuration and Rust development to ensure compatibility with the latest toolchains and alignment with current Rust practices. By standardizing edition references and improving documentation consistency, Vikram established a maintainable baseline for future updates. The changes enhanced test coverage and repository hygiene, reducing technical debt and easing onboarding for new contributors. The project primarily utilized Rust and Markdown, reflecting a focused and methodical approach to modernizing the codebase.