Final answer:
True. During release planning, product backlog items are grouped into smaller releases that drive toward the product roadmap.
Step-by-step explanation:
True. During release planning in agile development, the product backlog items are grouped into smaller releases that align with the product roadmap. These smaller releases, also known as sprints or iterations, are time-boxed and focus on delivering specific features or functionalities. Each sprint contributes to the overall progress of the product and helps achieve the goals set in the product roadmap.