During October 2024, Greg Stone enhanced error handling in the mathworks/arrow repository by redesigning the GcsFileSystem::Make function to return a Result type instead of a shared_ptr. This change improved the precision of failure reporting during filesystem creation, allowing for more reliable storage operations and easier debugging. Greg updated relevant headers and tests to accommodate the new return type, aligning the storage API with modern error-handling patterns. Working primarily in C++ and leveraging skills in API design and testing, Greg’s work reduced debugging time and improved the reliability of storage creation flows, demonstrating thoughtful engineering depth within a focused scope.