Fanyang Yang focused on improving build quality and maintainability across the llama.cpp and whisper.cpp repositories by addressing compiler warnings and modernizing code practices. In llama.cpp, Fanyang updated the _contains_any function to use std::string_view and corrected its logic, reducing GCC 15 warnings and suppressing deprecations related to std::codecvt_utf8. For whisper.cpp, Fanyang implemented build system enhancements by introducing pragma-based warning suppression and documented groundwork for future adoption of std::string_view. Working primarily in C++ with an emphasis on build systems and code refactoring, Fanyang’s contributions laid a foundation for cleaner builds and easier long-term maintenance.