During March 2025, Ctrysbita focused on backend improvements for cross-platform C++ projects, addressing file system path compatibility in both ggml-org/llama.cpp and Mintplex-Labs/whisper.cpp. They resolved two bugs by implementing C++20-aware adjustments to path handling, ensuring robust support for UTF-8 file paths and consistent behavior across different C++ standards. Their work involved careful use of std::filesystem and conditional logic to maintain portability and correctness in diverse build environments. By refining path_str handling and leveraging modern C++ features, Ctrysbita enhanced the reliability of file system operations, demonstrating depth in C++ development and cross-platform engineering practices.