Marco Lugo focused on stabilizing the MSVC RelWithDebInfo build for the Xilinx/onnx-mlir repository by addressing duplicate symbol errors that occurred when COMDAT functionality was effectively disabled. He resolved this issue by configuring the build system to use the /Ob2 flag instead of /Ob1, which improved symbol handling and reduced build failures on Windows. Working primarily with CMake and build system configuration, Marco’s fix enhanced the reliability of continuous integration and accelerated release validation. Although his contributions during this period centered on a single bug fix, the work demonstrated a targeted and effective approach to improving build stability.