During December 2025, Vonlinee contributed to the mybatis/mybatis-3 repository by delivering targeted improvements focused on both documentation and performance. They corrected a SQL syntax error in the auto-mapping documentation, ensuring that guidance for developers accurately reflected the code’s behavior and improved onboarding clarity. On the engineering side, Vonlinee optimized memory usage in Java by inlining creation methods for ParameterMap and ResultMap, reducing unnecessary allocations in common mapping paths. Their work combined Java, SQL, and software design skills to enhance code maintainability and runtime efficiency, demonstrating a thoughtful approach to both user-facing documentation and underlying system performance.