During November 2025, this developer enhanced the infinite scroll experience in the langgenius/dify repository by implementing a dynamic rootMargin adjustment within the IntersectionObserver logic. This approach allowed the infinite scroll feature to respond more effectively to varying container heights, resulting in smoother user interactions and reduced scroll jank. The work was carried out using React and front end development skills, with JavaScript and TypeScript as the primary languages. Collaboration with teammates was evident through co-authored commits, and the changes were carefully scoped to maintain backward compatibility. The improvements focused on optimizing perceived performance while addressing edge cases in scroll responsiveness.