During their recent work, Daniel Piper developed two targeted features across Cockatrice/Cockatrice and 9001/copyparty, focusing on environment management and image processing. For Cockatrice/Cockatrice, Daniel introduced a reproducible development environment using Nix, creating a shell configuration that standardizes dependencies, build tools, and debugging utilities to streamline onboarding and ensure consistency for all contributors. In 9001/copyparty, Daniel expanded the project’s Python-based image ingestion capabilities by adding CR3 RAW image format support, enabling direct handling of Canon CR3 files and reducing manual conversion steps. The work demonstrated depth in DevOps, Python development, and command line tooling, with well-scoped, maintainable changes.