During this period, work centered on stabilizing and enhancing the Nix tooling ecosystem within the hmemcpy/nixpkgs repository. A new diagnostic CLI tool, nixf-diagnose, was developed as a wrapper for nixf-tidy, providing improved diagnostic output for users working with Nix-based projects. Additionally, compatibility issues with the NixD language server were addressed by adjusting CXXFLAGS include paths, ensuring seamless support for Nix 2.28 and its latest features. The engineering approach emphasized robust build systems and effective package management, leveraging expertise in Nix and related tooling to deliver targeted improvements that streamline development workflows and maintain compatibility with evolving Nix standards.