During June 2025, Dohyun Kim focused on enhancing the reliability of Windows deployments for the TraceProcessor component in the google/perfetto repository. Kim addressed a critical bug affecting PyInstaller-packaged builds by correcting the Python interpreter path resolution, which previously caused TraceProcessor to fail when bundled as a Windows executable. This targeted fix involved in-depth work with Python and Windows development, specifically improving the packaging process to ensure seamless initialization of the library in bundled applications. By resolving this runtime issue, Kim expanded the cross-platform deployment capabilities of Perfetto, demonstrating strong skills in packaging and Python development within complex Windows environments.