During July 2025, this developer contributed to the OpenListTeam/OpenList repository, focusing on backend reliability and user experience in thumbnail rendering. They addressed a persistent Chrome ERR_HTTP_2_PROTOCOL_ERROR by correcting Content-Length calculations in HTTP responses, ensuring protocol compliance across multiple drivers and proxy layers. Working primarily in Go, they applied skills in backend development, file handling, and network programming to resolve protocol-related errors during thumbnail previews. Their approach included adding targeted tests and code reviews to prevent regression, reflecting a methodical and quality-driven process. The work demonstrated depth in HTTP protocol handling and improved the robustness of thumbnail delivery workflows.