Danyang Chen focused on improving packaging stability for the QFit recipe in the conda-forge/staged-recipes repository. Addressing build reliability, Danyang tightened dependency constraints and corrected meta.yaml syntax, ensuring compatibility across environments. The work involved explicit version pinning for cython and scipy, as well as fixing Python version specifications to prevent build interpretation errors. Utilizing skills in build systems, dependency management, and package management, Danyang leveraged YAML to manage metadata and optimize continuous integration workflows. This targeted bug fix reduced packaging failures and improved downstream consumption, demonstrating a methodical approach to maintaining robust Python packaging within the conda-forge ecosystem.