Leiren upgraded the VGLite driver to version 4.0.127 within the OpenSiFli/SiFli-SDK repository, focusing on enhancing graphics performance and reliability for embedded systems. Using C programming and driver development expertise, Leiren introduced features such as command buffer caching and hardware run-time recording, which improved the efficiency of the graphics pipeline. The integration process emphasized compatibility and stability, with thorough validation to ensure seamless operation across the SDK. Leiren maintained clear traceability by referencing REDMINE issues in commit messages and release notes, demonstrating a methodical approach to engineering work and laying a solid foundation for future feature development.