Which aspect is NOT primarily the responsibility of the Development Team?

The aspect that is not primarily the responsibility of the Development Team is setting the direction for product vision. While the Development Team plays a crucial role in the execution of the work needed to create increments of the product, the overall product vision is typically the responsibility of the Product Owner.

The Product Owner sets the vision based on stakeholder needs and market demands, ensuring that the team is aligned with the broader strategic goals of the organization. This includes defining what success looks like and guiding the product's development in a way that maximizes value for customers and the business.

In contrast, the responsibilities of the Development Team include deciding how to meet the Sprint Goal, managing their own work, and delivering high-quality increments of the product. These activities focus on the implementation and execution of tasks necessary to develop the product, but they do not extend to defining the vision that drives those tasks. The Development Team's autonomy in managing their work allows them to be self-organizing and agile, contributing effectively to achieving the goals defined by the Product Owner.