Worked on the raexera/nixpkgs repository to enhance package management reliability by addressing a critical issue in the Libinput-gestures package. Focused on debugging and patching, the developer identified and corrected a broken GitHub revision link, resolving a 404 error that previously disrupted package fetches and CI builds. Using Nix and Git, the work emphasized reproducibility and upstream alignment, ensuring stable and reliable builds for downstream users. Although no new features were introduced during this period, the targeted fix improved packaging quality and prevented future build failures, demonstrating a methodical approach to maintaining robust and reproducible development environments within the Nix ecosystem.