Grace Bennett developed a feature for the Shopify/dawn repository that introduced nested cart lines display and enhanced cart controls, focusing on improving the user experience for complex product configurations. She implemented the solution using CSS for styling and Liquid templating for dynamic rendering, ensuring that nested cart lines appeared consistently in both the cart drawer and main cart views. Her work included adding quantity controls and conditionally disabling remove actions for items with special instructions, which streamlined cart management and reduced potential user errors. Over the month, Grace’s contributions laid a foundation for more modular, maintainable cart experiences within the Dawn framework.