With continuous delivery, every change made to the system can be released, and any version can be released at any time. Continuous integration is the natural extension of continuous delivery. Continual delivery provides quick feedback on what users care about and aims to make releases boring.
The continuous integration and continuous delivery (CI/CD) method are transforming DevOps. Even if each step of the software development lifecycle can be carried out manually, CI/CD automates the stages in software development and deployment.