During December 2025, Ming Li modernized the development environment for the RSSHub repository, focusing on improving reliability and onboarding for contributors. Ming introduced Nix flake and NixOS module support, leveraging Nix and TypeScript to enhance reproducibility and streamline setup. The work included upgrading Node.js and pnpm versions, aligning dependencies with current standards, and resolving compatibility issues by enabling --no-pure-eval for devenv flake usage. Ming also strengthened the testing setup by integrating a mock server endpoint, which improved test reliability. This engineering effort reduced friction in development and continuous integration, enabling faster iteration and a more maintainable workflow.