During June 2025, this developer focused on improving the user experience of the file upload flow in the element-plus/element-plus repository. They addressed a persistent flicker issue in the Upload Dragger component by refining the dragleave handler to more accurately manage the dragover state, which eliminated unintended visual glitches when users dragged files over sub-elements. Working primarily with Vue.js and TypeScript, they delivered a targeted bug fix that enhanced the reliability and maintainability of the upload-dragger code. This contribution not only reduced user confusion during file uploads but also streamlined quality assurance and regression testing for future development cycles.