During the month, contributed a ported Quality of Service-based connection pool prioritization feature to the HubSpot/vitess repository, focusing on enhancing database workload efficiency and reliability. The work involved migrating the QoS logic from Vitess version 14 to version 22, introducing a priority queue to manage connection requests and replacing the previous simple list structure. This approach improved throughput, fairness, and latency under contention while maintaining upstream compatibility and core QoS semantics. Leveraging Go for concurrent programming and database management, the implementation aligned with Vitess v22’s pool architecture and included thorough documentation to support integration and future backporting considerations.