- E2e framework: the `node-role.kubernetes.io/master` taint has been removed from the default value of `--non-blocking-taints` flag. You may need to set `--non-blocking-taints` explicitly if the cluster to be tested has nodes with the deprecated `node-role.kubernetes.io/master` taint. ([#118510](https://github.com/kubernetes/kubernetes/pull/118510), [@SataQiu](https://github.com/SataQiu)) [SIG Testing]

- Kubeadm: add support for the "ci/k8s-master" version label as a replacement for "ci-cross/*", which no longer exists. ([#86609](https://github.com/kubernetes/kubernetes/pull/86609), [@Pensu](https://github.com/Pensu)) [SIG Cluster Lifecycle]

- Kubeadm: during "join", don't re-add an etcd member if it already exists in the cluster. ([#92118](https://github.com/kubernetes/kubernetes/pull/92118), [@neolit123](https://github.com/neolit123)) [SIG Cluster Lifecycle]
- hyperkube: Use debian-hyperkube-base@v1.1.1 image
  

* Stop using InfluxDB as default cluster monitoring ([#62328](https://github.com/kubernetes/kubernetes/pull/62328), [@serathius](https://github.com/serathius))
    * InfluxDB cluster monitoring is deprecated and will be removed in v1.12

### SIG Network

For 1.13, the areas of focus were in IPv6, DNS improvements and some smaller items:
CoreDNS is now the default cluster DNS passing all of the scale/resource usage tests

- **Cluster Lifecycle**
  - [alpha] Improved UX and usability for the kubeadm binary that makes it easy to get a new cluster running. ([docs](http://kubernetes.io/docs/getting-started-guides/kubeadm/)) ([changelog](https://github.com/kubernetes/kubeadm/blob/master/CHANGELOG.md)) ([kubernetes/features#11](https://github.com/kubernetes/enhancements/issues/11))
- **Cluster Ops**

- Kubeadm: http://git.k8s.io/enhancements/keps/sig-cluster-lifecycle/kubeadm/2067-rename-master-label-taint/README.md ([#95382](https://github.com/kubernetes/kubernetes/pull/95382), [@neolit123](https://github.com/neolit123)) [SIG Cluster Lifecycle]
  - The label applied to control-plane nodes "node-role.kubernetes.io/master" is now deprecated and will be removed in a future release after a GA deprecation period.

- kubelet v1.22.14
- kubelet v1.23.11
- kubelet v1.24.5
- kubelet v1.25.0


To upgrade, refer to this documentation _For core Kubernetes:_ https://kubernetes.io/docs/tasks/administer-cluster/cluster-management/#upgrading-a-cluster 

### Detection

Kubernetes Audit logs may indicate if the user name was misspelled to bypass the restriction placed on which user is a pod allowed to run as.

## Changes by Kind

### Deprecation

- Cluster addon for dashboard was removed. To install dashboard, see [here](https://github.com/kubernetes/dashboard/blob/master/docs/user/README.md). ([#107481](https://github.com/kubernetes/kubernetes/pull/107481), [@shu-mutou](https://github.com/shu-mutou)) [SIG Cloud Provider and Testing]

- Kubeadm: during "join", don't re-add an etcd member if it already exists in the cluster. ([#92118](https://github.com/kubernetes/kubernetes/pull/92118), [@neolit123](https://github.com/neolit123)) [SIG Cluster Lifecycle]