Luke West worked on browser engine enhancements across the SerenityOS/serenity and JunkFood02/ladybird repositories, focusing on real-world site compatibility and performance. He improved page load behavior to support Cloudflare challenges by aligning document readiness and ensuring trusted messaging, using C++ and JavaScript. Luke enhanced LibWeb and LibJS with robust date parsing for new formats and stabilized shadow DOM traversal, addressing rendering accuracy and site reliability. He automated CSS property and IDL attribute generation with CMake integration, streamlining build processes and reducing regressions. His work demonstrated depth in browser development, web standards compliance, and build system engineering within a modern C++ codebase.