The Mapbox Boundaries initiative offers high-resolution administrative level-0 country polygons with updated disputed boundaries and four different worldviews to designers and developers using Studio, enhancing their ability to create accurate country-level visualizations. This tool is particularly beneficial for applications like Covid Controls, which utilize these boundaries to provide real-time pandemic response visualizations, capturing data on lockdowns, tourist restrictions, and case rates. The updated polygons, available for free, simplify the process of data integration and maintenance, significantly reducing engineering efforts and ensuring a superior user experience. Utilizing the Mapbox Tiling Service (MTS), developers can efficiently manage and update the global collection of polygons, with innovative features like simplification, unique feature IDs, and controlled feature ordering to enhance visualization and data processing.