Balthazar Patiachvili focused on dependency management and configuration clarity in the srid/nixpkgs and Saghen/nixpkgs repositories, primarily using Nix and version control systems. Over two months, Balthazar upgraded the Pingvin-share package across multiple versions, ensuring backend and frontend dependencies and hashes were consistently updated for each release cycle. He improved NixOS configuration by renaming environment variables for clearer intent, reducing misconfiguration risk. In Saghen/nixpkgs, he maintained build reproducibility and CI reliability by aligning dependency hashes and pins across configurations. The work demonstrated a methodical approach to package management and build systems, emphasizing stability and traceability over rapid feature delivery.