In June 2025, Andre Alves developed a PriorityQueue data structure for the CQCL/guppylang repository, implementing it as a min-heap within the standard library. Using Python and drawing on expertise in algorithm implementation and data structures, Andre designed the API to ensure efficient priority-based scheduling, where the lowest-priority element is always processed first. This addition addressed the need for robust task prioritization and improved workflow efficiency across the project. The integration demonstrated a solid understanding of standard library development, providing a foundational tool for future features that require priority-driven processing while maintaining clean, maintainable code and seamless compatibility with existing components.