Changelog for v1-18-eks-11

This changelog highlights the changes for v1-18-eks-11.

Base Image

Security updates to Amazon Linux 2.

Patches

Patch Added

• 00018-EKS-Patch-Pass-additional-flags-to-subpath-mount-to-.patch
• Reduces the chance of flakes related to subpath mount in some cases.
• Cherry-pick of upstream Kubernetes PR #104253, which should be part of the Kubernetes v1.23 release.