Ruro focused on codebase maintenance and package management for the Saghen/nixpkgs repository, addressing compatibility issues introduced by Blender 4. He removed deprecated and unsupported Python packages, including bpycv, boxx, fn, and zcs, to streamline the dependency surface and reduce potential build failures. Using Nix and system administration skills, Ruro updated package aliases to prevent stale references and documented the changes to support downstream migration. His work improved repository maintainability by ensuring only relevant dependencies remained, facilitating smoother builds and future updates. The depth of the cleanup demonstrated careful attention to ecosystem changes and proactive technical stewardship within the project.