During December 2025, Andre Moreira contributed to the mrdoob/three.js repository, focusing on enhancing rendering stability in WebGL applications. He addressed a bug in the WebGLRenderer that affected pixel data accuracy when reading from multiple render targets, a common scenario in advanced graphics programming. By refining the color buffer selection logic, Andre ensured that pixel reads across MRT configurations returned correct data, reducing visual artifacts and inconsistencies. His work, implemented in JavaScript and leveraging deep knowledge of rendering techniques and WebGL, improved cross-platform reliability for downstream projects. The contribution demonstrated careful attention to correctness and stability in complex rendering workflows.