Heena Bansal contributed to the grpc/grpc repository by delivering a targeted compatibility patch for PHP 8.5, focusing on backend development and PHP internals. She addressed a runtime error caused by the deprecation of zend_exception_get_default() in PHP 8.5 alpha, replacing it with zend_ce_exception to maintain correct exception handling and forward-compatibility. Her approach followed PHP upgrade guidance, ensuring the patch aligned with upstream requirements and minimized risk to existing functionality. The work improved stability for future PHP 8.5 deployments, demonstrating a careful, detail-oriented update that preserved current behavior while preparing the codebase for upcoming language changes and integration reviews.