In February 2026, Jean Gaillard enhanced the google/perfetto repository by enabling Windows build support for the libperfetto_c library. He addressed cross-platform challenges by introducing Windows-compatible type definitions and refining signal handling, ensuring stable operation on Win64 systems. Jean updated the build tooling, specifically gen_android_bp, to integrate Windows builds within Android workflows, broadening platform compatibility. His work included implementing a dedicated Windows code path to resolve compilation edge cases and maintain build reliability. Utilizing C++ and Python, Jean focused on build system configuration and cross-platform development, delivering a robust solution that improved maintainability and usability for Windows environments.