During April 2025, this developer updated external submodules in the oceanbase/odc repository to maintain current and stable dependencies. They focused on aligning the odc submodule and client subproject with newer commits, ensuring compatibility with CI and build processes. Using Git and shell scripting, they improved build reliability and reduced the risk of dependency drift, which supports smoother onboarding for new contributors. The work centered on repository hygiene and maintenance rather than feature development or bug fixes, laying groundwork for future enhancements. Their contributions reflect a methodical approach to stability and reproducibility in a collaborative, version-controlled environment.