Over a two-month period, this developer enhanced cross-platform compatibility and build reliability for Livox SDK2 in the conda-forge-pinning-feedstock repository by adding ARM64 support for Linux and macOS, streamlining workflows for ARM-based systems. In the tier4/scenario_simulator_v2 repository, they migrated the simulation interface to ZeroMQ-based inter-process communication using cppzmq, updated CMake build configurations, and improved code formatting with ament clang-format. Their work also included expanding spell checker configurations to better validate domain-specific terms. Utilizing C++, CMake, and network programming skills, they focused on maintainability, integration speed, and reducing CI friction without introducing new bugs during this period.