During March 2025, Ctrysbita focused on backend improvements for cross-platform C++ projects, addressing portability and Unicode file path issues in both the ggml-org/llama.cpp and Mintplex-Labs/whisper.cpp repositories. They enhanced path handling by implementing C++20-aware logic and robust std::filesystem::path support, ensuring correct UTF-8 file path conversions across varying C++ standards. Using C++ and modern file system operations, Ctrysbita resolved two longstanding bugs that previously caused inconsistencies in diverse build environments. Their work demonstrated a strong grasp of cross-version compatibility and backend development, delivering targeted, in-depth fixes that improved reliability without introducing new features during the period.