Contributed to the BabylonJS/Documentation repository by delivering a targeted documentation update focused on memory management for Sphere SubMesh handling. The work introduced new guidance recommending the use of the sphere.releaseSubMeshes() method, replacing the previous practice of clearing arrays directly. This approach helps developers prevent memory leaks and optimize resource usage in JavaScript projects that rely on BabylonJS. The update was implemented using JavaScript and Markdown, with an emphasis on clear technical communication and alignment with best practices. By enhancing documentation, the contribution supports more reliable runtime behavior and assists developers in managing SubMesh resources more effectively in their applications.