October 2025 monthly summary for NixOS/nixpkgs focused on automation, maintainability, and up-to-date packaging for Listmonk. Key work included implementing an automated update workflow for the Listmonk package and upgrading Listmonk to a new major version with packaging refinements and governance updates. Key outcomes: - Automated update workflow for Listmonk: Integrated nix-update-script to automate updates of the listmonk package, reducing manual effort and risk for frontend asset updates in the Nix ecosystem. Commits: 6c7fe68a2fb74eab4f03fdd374794c96805c3e30. - Listmonk upgrade to v5.1.0: Upgraded from 3.0.0 to 5.1.0, updated Nix build inputs and asset paths, and adjusted authentication testing for the new version. Added hougo as a maintainer. Commits: 999fa7eb675d50f1b1eb24a9f11f5669a6a0169f and 77dec6075fa70af327fbe246712167ffe579968f. - Maintainer and governance: Hougo added as maintainer to strengthen project governance and contribution overlap. Impact and business value: - Faster, safer updates for Listmonk users in NixOS, with reduced manual maintenance and lower risk of drift in frontend assets. - Up-to-date packaging aligned with upstream changes and improved compatibility with authentication flows in the new Listmonk version. - Strengthened packaging health and collaboration through maintainer onboarding. Technologies and skills demonstrated: - Nix packaging and nixpkgs workflow, automated scripting with nix-update-script, dependency/version management, and test adaptation for a major version upgrade.