Worked on maintaining the ethereum/execution-specs repository, focusing on enhancing Python runtime compatibility for developers. Delivered support for Python 3.12 by updating project metadata classifiers, ensuring the repository accurately reflects compatibility with the latest Python interpreters. This targeted change involved careful package management and Python development skills to minimize the surface area of the update and avoid unintended side effects. By clarifying interpreter support in the project metadata, the work improved onboarding and tooling alignment for users adopting Python 3.12. The contribution addressed a specific compatibility need, supporting modern development workflows without introducing broader changes to the codebase.