Worked on the astral-sh/uv repository to deliver two targeted improvements over a two-month period, focusing on both build system modernization and developer documentation. Upgraded the Rust library generation workflow by adopting the latest Rust edition and PyO3, transitioning to Inline Declaration module initialization, and refining the maturin build backend template. These changes enhanced compile-time safety and improved the developer experience, with updates validated through cross-project template generation and cargo nextest-based testing. Additionally, updated the Docker integration guide to recommend COPY over ADD for simple cases, aligning documentation with Docker best practices and supporting clearer onboarding for contributors.