Worked on the ClickHouse/clickhouse-cs repository to address a memory management issue in the EnumerableExtensions Yield method. Using C# and leveraging ArrayPool, the developer implemented a fix that ensures arrays rented from ArrayPool<T>.Shared are properly returned when no elements are yielded, preventing unnecessary memory retention. This change reduced garbage collection pressure and improved runtime stability, particularly under high-load and memory-constrained scenarios. The work demonstrated a strong understanding of resource and memory management in C#, focusing on optimizing streaming operations. Over the period, the primary contribution was a targeted bug fix that enhanced the efficiency and reliability of the codebase.