Yorik Sar modernized the CI/CD platform for the srid/nixpkgs repository, focusing on improving build determinism and streamlining release cycles. He upgraded the GitHub Runner to version 2.321.0 and migrated the CI pipeline’s .NET SDK from 6.0 to 8.0, aligning the build environment with current runtimes. By removing Node.js 16 support, Yorik reduced maintenance overhead and potential inconsistencies. He also addressed a key issue in deterministic builds by correcting test data path discovery, ensuring reliable test execution. Yorik’s work leveraged his expertise in Nix, build systems, and package management, delivering a robust foundation for future development efficiency.