High-performing organizations use Continuous Delivery practices to improveSoftware Delivery and Operational (SDO) performance.

B: Psychological safety encourages open communication, incident reporting, and learning from failures.

C: Trunk-based development reduces integration issues and supports continuous integration/delivery.

D: Cloud technologies provide scalable, on-demand environments that speed up delivery and testing.

On the other hand,A—a heavyweight change process—slows down delivery, increases lead time, and often fails to improve change success rates. Research cited inAccelerateshows that manual, centralized change approvals correlate with lower performance, while automated, peer-reviewed changes produce better reliability and faster delivery.