During November 2025, Jack Liu enhanced the ModelEngine-Group/nexent repository by delivering a new feature focused on boosting engagement with the Memorial Wall. He introduced a praising entry for the AI product implementation and developed a dedicated user feedback section, enabling users to share sentiment and inform future user experience improvements. Jack’s work centered on documentation and user experience, utilizing Markdown to structure content updates and feedback mechanisms. While the scope was limited to a single feature and did not involve bug fixes, the contribution demonstrated a thoughtful approach to increasing user interaction and gathering actionable insights for ongoing product refinement.