Bernardo contributed to the Saghen/nixpkgs repository by delivering a targeted fix for the roon-server package, addressing versioning integrity and build reproducibility. He updated packaging metadata to support version 2.47.1510, revised the source tarball’s SHA256 hash, and refined URL version formatting to accommodate new versioning schemes. This work leveraged his skills in package management and cryptographic hash handling, using the Nix language to ensure accurate metadata and reproducible builds. By aligning packaging practices with current standards, Bernardo reduced release regressions and deployment issues, ultimately improving installation reliability for roon-server users and strengthening the baseline for future package updates.