Which AWS service or tool gives a company the ability to release application changes in an automated way?

Explanations:

Amazon AppFlow is a service for integrating and transferring data between applications and services. It does not automate application deployment changes.

AWS CodeDeploy is a deployment service that automates application deployments to various compute services, enabling companies to release changes in an automated way.

AWS PrivateLink is a networking service that provides private connectivity between VPCs and services, but it does not relate to application deployment automation.

Amazon EKS Distro is a distribution of Kubernetes for managing containerized applications but does not inherently provide automation for application deployments.