During December 2025, Fabrice Le Bars developed a cross-platform AVX build configuration for the opencv/opencv repository, focusing on improving build reliability and performance across different toolchains. He updated CMake logic to ensure AVX-related compilation flags were applied appropriately, using -mavx for MinGW and other compilers while avoiding Visual Studio-specific flags on incompatible platforms. This targeted approach reduced cross-platform build failures and enabled AVX optimizations where supported, resulting in smoother continuous integration and more predictable releases. Fabrice’s work demonstrated proficiency in CMake and cross-platform development, addressing nuanced compatibility issues and contributing to faster, more reliable build processes for OpenCV.