Colin Rennie developed XTC1 texture support for the facebook/igl repository, expanding its image loading capabilities. He implemented a new ImageLoaderFactory in C++ to handle XTC1 compressed textures, incorporating header validation and a complete texture loading path to ensure correctness and stability. His work focused on integrating this feature cleanly with the existing asset pipeline, enhancing image processing and texture loading without introducing regressions. Throughout the month, Colin emphasized robust unit testing and code review collaboration, aligning with repository standards. The depth of his engineering addressed both asset fidelity and performance, delivering a well-integrated solution to the rendering system.