During October 2025, Luxolus contributed to the pola-rs/pyo3 repository by enhancing runtime compatibility and streamlining the developer experience. They addressed PyPy-related linking errors by refining function definitions for PyPyModule_ExecDef and PyPyModule_FromDefAndSpec2, resulting in more reliable FFI integration with minimal code changes. Luxolus also expanded GraalPy 25.0 support, updating CI workflows, documentation, and minimum version requirements to ensure smoother onboarding for new users. Their work leveraged Rust, YAML, and the Python C API, demonstrating a focused approach to build configuration and CI/CD improvements. These targeted updates reduced runtime errors and broadened the library’s compatibility footprint.