Created and updated docs for 1.31 (#4164)

* Added directory docs/contents/releases/1-31/31

* Added file docs/contents/index.md

* Added file README.md

Author: vineeth-bandi

README.md

@@ -77,7 +77,7 @@ Source: https://github.com/cncf/artwork/tree/master/projects/kubernetes/certifie
 
 | Release | Manifest | Kubernetes Version |
 | -- | --- | --- |
-| 30 | [v1-31-eks-30](https://distro.eks.amazonaws.com/kubernetes-1-31/kubernetes-1-31-eks-30.yaml) | [v1.31.12](https://github.com/kubernetes/kubernetes/release/tag/v1.31.12) |
+| 31 | [v1-31-eks-31](https://distro.eks.amazonaws.com/kubernetes-1-31/kubernetes-1-31-eks-31.yaml) | [v1.31.12](https://github.com/kubernetes/kubernetes/release/tag/v1.31.12) |
 
 ### Kubernetes 1-30
 

docs/contents/index.md

@@ -162,6 +162,7 @@ if you are interested in the AL2 container runtime kernel version.
 * [v1-32-eks-1](releases/1-32/1/index.md) (December 06, 2024)
 
 #### EKS-D 1.31 Version Dependencies
+* [v1-31-eks-31](releases/1-31/31/index.md) (October 06, 2025)
 * [v1-31-eks-30](releases/1-31/30/index.md) (September 18, 2025)
 * [v1-31-eks-29](releases/1-31/29/index.md) (September 04, 2025)
 * [v1-31-eks-28](releases/1-31/28/index.md) (August 29, 2025)

docs/contents/releases/1-31/31/CHANGELOG-v1-31-eks-31.md

@@ -0,0 +1,16 @@
+# Changelog for v1-31-eks-31
+
+This changelog highlights the changes for [v1-31-eks-31](https://github.com/aws/eks-distro/tree/v1-31-eks-31).
+
+## Changes
+
+### Patches
+* etcd-io/etcd project updates (1.28-1.34) ([4132](https://github.com/aws/eks-distro/pull/4132))
+
+### Projects
+* add kube-proxy GIT_TAG files to resolve postsubmit build failures ([4139](https://github.com/aws/eks-distro/pull/4139))
+* etcd-io/etcd project updates (1.28-1.34) ([4132](https://github.com/aws/eks-distro/pull/4132))
+
+### Base Image
+No changes since last release
+

docs/contents/releases/1-31/31/index.md

@@ -0,0 +1,20 @@
+# EKS-D v1-31-eks-31 Release
+
+For additional information, see the [changelog](CHANGELOG-v1-31-eks-31.md) for this release.
+
+## Release Manifest
+
+Download the release manifest here: [kubernetes-1-31-eks-31.yaml](https://distro.eks.amazonaws.com/kubernetes-1-31/kubernetes-1-31-eks-31.yaml)
+
+| Name | Version | URI |
+|------|---------|-----|
+| aws-iam-authenticator | v0.7.4 | public.ecr.aws/eks-distro/kubernetes-sigs/aws-iam-authenticator:v0.7.4-eks-1-31-31 |
+| coredns | v1.12.2 | public.ecr.aws/eks-distro/coredns/coredns:v1.12.2-eks-1-31-31 |
+| etcd | v3.5.21 | public.ecr.aws/eks-distro/etcd-io/etcd:v3.5.21-eks-1-31-31 |
+| go-runner | v0.18.0 | public.ecr.aws/eks-distro/kubernetes/go-runner:v0.18.0-eks-1-31-31 |
+| kube-apiserver | v1.31.13 | public.ecr.aws/eks-distro/kubernetes/kube-apiserver:v1.31.13-eks-1-31-31 |
+| kube-controller-manager | v1.31.13 | public.ecr.aws/eks-distro/kubernetes/kube-controller-manager:v1.31.13-eks-1-31-31 |
+| kube-proxy | v1.31.10 | public.ecr.aws/eks-distro/kubernetes/kube-proxy:v1.31.10-eks-1-31-31 |
+| kube-proxy-base | v0.18.0 | public.ecr.aws/eks-distro/kubernetes/kube-proxy-base:v0.18.0-eks-1-31-31 |
+| kube-scheduler | v1.31.13 | public.ecr.aws/eks-distro/kubernetes/kube-scheduler:v1.31.13-eks-1-31-31 |
+| pause | v1.31.13 | public.ecr.aws/eks-distro/kubernetes/pause:v1.31.13-eks-1-31-31 |

docs/contents/releases/1-31/31/release-announcement.txt

@@ -0,0 +1,2 @@
+Amazon EKS Distro v1-31-eks-31 is now available. Builds are available through ECR Public Gallery (https://gallery.ecr.aws/eks-distro). The changelog and release manifest are available on GitHub (https://github.com/aws/eks-distro/releases).
+