Updated docs and created release annoucement for 1.19-4 (#349)

* Changes all patch release version for 1-19

* Changes all patch release version for 1-19

* Added release docs for 1.19-4

Author: Kirsten Schumy

README.md

@@ -28,13 +28,13 @@ To receive notifications about new EKS-D releases, subscribe to the EKS-D update
 
 | Release | Manifest |
 | --- | --- |
-| 3 | [kubernetes-1-18-eks-4](https://distro.eks.amazonaws.com/kubernetes-1-18/kubernetes-1-18-eks-4.yaml) |
+| 4 | [kubernetes-1-18-eks-4](https://distro.eks.amazonaws.com/kubernetes-1-18/kubernetes-1-18-eks-4.yaml) |
 
 ### Kubernetes 1-19
 
 | Release | Manifest |
 | --- | --- |
-| 3 | [kubernetes-1-19-eks-3](https://distro.eks.amazonaws.com/kubernetes-1-19/kubernetes-1-19-eks-3.yaml) |
+| 4 | [kubernetes-1-19-eks-4](https://distro.eks.amazonaws.com/kubernetes-1-19/kubernetes-1-19-eks-4.yaml) |
 
 ## Development
 

docs/contents/index.md

@@ -104,7 +104,7 @@ commands:
 
 ```bash
 RELEASE_BRANCH=1-19
-RELEASE=1
+RELEASE=4
 kubectl apply -f https://distro.eks.amazonaws.com/crds/releases.distro.eks.amazonaws.com-v1alpha1.yaml
 kubectl apply -f https://distro.eks.amazonaws.com/kubernetes-${RELEASE_BRANCH}/kubernetes-${RELEASE_BRANCH}-eks-${RELEASE}.yaml
 kubectl get release kubernetes-${RELEASE_BRANCH}-eks-${RELEASE}
@@ -119,6 +119,7 @@ repository for the [EKS Optimized AMI](https://github.com/awslabs/amazon-eks-ami
 if you are interested in the AL2 container runtime kernel version.
 
 #### EKS-D 1.19 Version Dependencies
+* [v1-19-eks-4](releases/1-19/4/index.md)
 * [v1-19-eks-3](releases/1-19/3/index.md)
 * [v1-19-eks-2](releases/1-19/2/index.md)
 * [v1-19-eks-1](releases/1-19/1/index.md)

docs/contents/releases/1-19/4/CHANGELOG-v1-19-eks-4.md

@@ -0,0 +1,17 @@
+# Changelog for v1-19-eks-4
+
+This changelog highlights the changes for [v1-19-eks-4](https://github.com/aws/eks-distro/tree/v1-19-eks-4).
+
+## Version Upgrades
+
+### Kubernetes
+
+Upgraded Kubernetes from v1.19.6 to [v1.19.8](https://github.com/kubernetes/kubernetes/releases/tag/v1.19.8).
+
+### Base Image
+
+Ungraded base image (Amazon Linux 2) version to include the latest security fixes.
+
+## Minor Changes to Patches
+Minor modifications were made to the patches themselves to match code changes in the upgraded Kubernetes version.
+These changes are functionally immaterial and do not impact the use or application of the patches.