During April 2025, Greg Kaiser focused on stabilizing the rendering pipeline in the utmapp/gfxstream repository by addressing a critical bug in FrameBuffer initialization. He enhanced the reliability of the display path by ensuring that mFrameNumber was set to zero and m_display was initialized to nullptr, preventing the use of uninitialized memory and reducing the risk of undefined behavior during startup. Working primarily in C++ and applying core software development practices, Greg’s targeted changes improved the determinism and safety of the system’s startup state. His work demonstrated careful attention to memory management and contributed to the overall robustness of gfxstream.