Dominik Kriegner developed migration support for the xrayutilities package targeting OSX ARM64 within the conda-forge/conda-forge-pinning-feedstock repository. His work focused on expanding cross-platform compatibility by integrating xrayutilities into the migration process, thereby reducing friction for macOS ARM64 users and streamlining packaging pinning workflows. Dominik utilized Python-based packaging workflows, OSX development, and migration tooling to ensure seamless integration and traceability through Git. Although the scope was limited to a single feature over one month, the contribution addressed a clear need for broader platform coverage, demonstrating depth in package management and migration support for the evolving ARM64 architecture on macOS.