During February 2025, Saghen contributed to the Saghen/nixpkgs repository by upgrading the uiua package in the unstable channel from version 0.14.1 to 0.15.0-dev.1. This work involved updating sha256 hashes for both the package and its cargo dependencies, ensuring that builds remained reproducible and aligned with the latest development release. By focusing on package management and system configuration using Nix, Saghen enabled faster testing and feedback cycles for development UI tools. The depth of the work lay in maintaining build integrity while integrating upstream changes, demonstrating careful attention to reproducibility and the evolving needs of the development workflow.