Worked on stabilizing animation rendering in the thorvg/thorvg repository by addressing a matrix transformation reset bug within the Lottie Builder. The solution involved explicitly invoking tvg::identity to reset the transformation matrix, which eliminated rendering artifacts and improved the fidelity of Lottie asset playback. This targeted fix, delivered as a single, auditable commit, enhanced the reliability of the animation pipeline and reduced ongoing maintenance costs. The work demonstrated advanced use of C++ for graphics programming, particularly in managing namespaces and integrating animation libraries. By resolving this issue, the developer contributed to smoother Lottie integrations and a more robust rendering experience.