## 1.9 Release Notes

## WARNING: etcd backup strongly recommended

Before updating to 1.9, you are strongly recommended to back up your etcd data. Consult the installation procedure you are using (kargo, kops, kube-up, kube-aws, kubeadm etc) for specific advice.

      - [Container Runtime Interface (CRI)](#container-runtime-interface-cri)
      - [kubelet](#kubelet)
    - [Auth](#auth-1)
    - [Cluster Lifecycle](#cluster-lifecycle-1)
      - [kubeadm](#kubeadm)
      - [kops](#kops)
      - [Cluster Discovery/Bootstrap](#cluster-discoverybootstrap)
      - [Multi-platform](#multi-platform)
      - [Cloud Providers](#cloud-providers)
    - [Network](#network)

  `DisableCloudProviders` FeatureGate is currently in Alpha, which means is currently disabled by default. Once the FeatureGate moves to beta, in-tree cloud providers would be disabled by default, and a user won't be able to specify `--cloud-provider=<aws|openstack|azure|gcp|vsphere>` anymore to any of KCM, KAPI or kubelet. Only a '--cloud-provider=external' would be allowed. CCM would have...

* Kubectl drain will now drain finished Pods ([#31763](https://github.com/kubernetes/kubernetes/pull/31763), [@fraenkel](https://github.com/fraenkel))
* Adds the -deployment option to e2e.go, adds the ability to run e2e.go using a `kops` deployment. ([#33518](https://github.com/kubernetes/kubernetes/pull/33518), [@zmerlynn](https://github.com/zmerlynn))

## WARNING: etcd backup strongly recommended

Before updating to 1.6, you are strongly recommended to back up your etcd data.
Please consult the installation procedure you are using (kargo, kops, kube-up,
kube-aws, kubeadm etc) for specific advice.

1.6 encourages etcd3, and switching from etcd2 to etcd3 involves a full
migration of data between different storage engines.  You must stop the API