Worked on the Saghen/nixpkgs repository to deliver the Prettypst 2.0.0 release, focusing on package management and ensuring alignment with the latest stable version. The engineering effort centered on updating the version string, source revision hash, and cargo hash, providing reproducibility and traceability through a precise commit reference. Using Nix as the primary language, the work emphasized stability and downstream value rather than bug fixes. The approach prioritized accurate metadata updates and reliable packaging, supporting maintainers and users who depend on up-to-date software. This release-focused contribution demonstrated attention to detail in version control and package management workflows.