# Changelog for v1-21-eks-12

This changelog highlights the changes for [v1-21-eks-12](https://github.com/aws/eks-distro/tree/v1-21-eks-12).

## Changes

### Base Image

Security updates to Amazon Linux 2.

### Versions

* **AWS IAM Authenticator for Kubernetes**: v0.5.5 ➞
  [v0.5.7](https://github.com/kubernetes-sigs/aws-iam-authenticator/releases/tag/v0.5.7)

### Patches Added

* **0023-EKS-PATCH-Update-aws-sdk-go-to-v1.42.23-for-CGK-regi.patch**
  * Update aws-sdk to v1.42.23 for ap-southeast-3 region build