Worked on enhancing the DataTable component in the primefaces/primefaces repository by addressing sticky container visibility and interaction issues during resizing. Implemented a feature that standardized z-index management using the PrimeFaces.utils.nextStickyZindex utility, ensuring consistent stacking behavior when users resize DataTable columns. The solution focused on improving UI/UX design by stabilizing the sticky container’s appearance, directly resolving issues #14970 and #14976. Collaborated with another contributor to deliver this update, leveraging JavaScript and front end development skills. The work emphasized maintainable code quality and targeted a specific pain point for users interacting with complex table layouts in web applications.