Worked on improving package stability in the conda-forge/conda-forge-repodata-patches-feedstock by addressing compatibility issues between zappend and Zarr. Developed a conditional dependency patch using YAML that restricts zarr to versions below 3 when zappend is at or below version 0.8.0, ensuring the patch only applies if a zarr dependency is present. This approach leverages skills in dependency and package management to reduce build failures and enhance downstream reliability. The solution is traceable to a specific commit and pull request, providing clear documentation and accountability for future maintenance within the conda-forge ecosystem. No new features were added.