Worked on improving the reliability of the DatePicker component in the emilk/egui repository, focusing on front-end and UI development using Rust. Addressed a persistent issue where the DatePicker popup would close unintentionally when users interacted with year, month, or date dropdowns. Refactored the popup lifecycle so it now remains open during dropdown interactions, closing only on explicit save or cancel actions or when clicking outside the calendar area. This targeted bug fix enhanced the user experience by reducing accidental closures and user errors, laying a foundation for smoother date entry flows and future improvements to calendar widget usability.