Harool Martinez delivered a user interface enhancement for the freeCodeCamp/freeCodeCamp repository by redesigning the curriculum block layout from a grid to a list view. This change, implemented using JSON and leveraging skills in curriculum design and user interface design, aimed to improve the readability and navigation of coding challenges. By simplifying the curriculum’s visual structure, Harool reduced cognitive load for learners and made challenge discovery more intuitive. The work focused on maintainable front-end iteration, ensuring that the new list format could be easily extended or modified. Over the month, Harool’s contribution addressed user experience without introducing new bugs.