Elena Fan delivered the Enhanced Task Evaluators for Desktop Applications in the xlang-ai/OSWorld repository, focusing on improving evaluation logic and configuration reliability across Chrome, Thunderbird, VLC, and Impress. She refined cross-application evaluation paths and updated example configurations to support a new, more robust evaluation approach. Using Python, Elena emphasized desktop application development, logging, and unit testing to validate automation reliability and reduce manual rework in desktop workflows. Her work laid the foundation for scalable desktop automation by accurately detecting shortcuts and color checks in presentations, demonstrating depth in both technical implementation and collaborative validation with team members.