Worked on stabilizing the WebGL rendering path in the Babylon.js repository by addressing a critical bug affecting indexed meshes. Focused on engine development and 3D graphics, the work involved using TypeScript to refine how empty index buffers are handled within SubMesh objects. By ensuring the index count is set to zero when the buffer is empty, the update prevented runtime WebGL errors related to insufficient buffer size, thereby reducing crash scenarios in production environments. This targeted fix improved the reliability and robustness of mesh handling for downstream applications, enhancing the overall developer experience without introducing new features during the period.