Worked on release engineering and package management for the hmemcpy/nixpkgs repository, focusing on maintaining package integrity and reproducibility. Delivered the Homebank 5.9.1 release update, upgrading from version 5.8.6 by updating the version string and SHA256 hash to ensure users received the latest stable release. Emphasized stability and release hygiene by maintaining clear documentation and commit traceability for future audits. Utilized Nix for package management, ensuring that reproducible builds were preserved through accurate checksum updates. No major bugs were addressed during this period, with efforts concentrated on the reliability and transparency of the release process for the Nix ecosystem.