During May 2026, contributed to aws-mwaa/upstream-to-airflow, llvm-project, apache/airflow, and astronomer/airflow by delivering six features and resolving a critical bug. Work included optimizing the update_config CLI for faster configuration updates, implementing allocator-extended copy and move constructors in C++ for LLVM, and enhancing Airflow’s internal performance by converting lists to frozensets for efficient membership checks. Improved test infrastructure with unified datetime formatting in FastAPI tests and addressed N+1 query issues in Astronomer Airflow’s bulk operations. Leveraged Python, TypeScript, and YAML, focusing on API development, database optimization, and robust documentation to improve reliability and maintainability across these repositories.