* Fix base image pinning during upgrades via cluster/gce/upgrade.sh ([#33147](https://github.com/kubernetes/kubernetes/pull/33147), [@vishh](https://github.com/vishh))
* Remove the flannel experimental overlay ([#33862](https://github.com/kubernetes/kubernetes/pull/33862), [@luxas](https://github.com/luxas))

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Kubernetes now allows users to define the cluster Service CIDR via an API object: ServiceCIDR.

- Added warnings for overlap paths in ConfigMap, Secret, DownwardAPI, Projected. Added warning for cases when ProjectedVolume with sources is provided. ([#121968](https://github.com/kubernetes/kubernetes/pull/121968), [@Peac36](https://github.com/Peac36))

* On GCI, NPD starts to monitor kubelet, docker, containerd crashlooping, read-only filesystem and corrupt docker overlay2 issues. ([#71522](https://github.com/kubernetes/kubernetes/pull/71522), [@wangzhen127](https://github.com/wangzhen127))

* On GCI, NPD starts to monitor kubelet, docker, containerd crashlooping, read-only filesystem and corrupt docker overlay2 issues. ([#71522](https://github.com/kubernetes/kubernetes/pull/71522), [@wangzhen127](https://github.com/wangzhen127))

* On GCI, NPD starts to monitor kubelet, docker, containerd crashlooping, read-only filesystem and corrupt docker overlay2 issues. ([#71522](https://github.com/kubernetes/kubernetes/pull/71522), [@wangzhen127](https://github.com/wangzhen127))

* On GCI, NPD starts to monitor kubelet, docker, containerd crashlooping, read-only filesystem and corrupt docker overlay2 issues. ([#71522](https://github.com/kubernetes/kubernetes/pull/71522), [@wangzhen127](https://github.com/wangzhen127))

## Changelog since v1.25.0-rc.0

## Changes by Kind

### Documentation

- Clarify that the node-port range (kube-apiserver config) must not overlap the nodes' ephemeral range. ([#111697](https://github.com/kubernetes/kubernetes/pull/111697), [@thockin](https://github.com/thockin)) [SIG Network]

### Bug or Regression

- Fixes `kubectl drain --dry-run=server`. ([#100206](https://github.com/kubernetes/kubernetes/pull/100206), [@KnVerey](https://github.com/KnVerey))
- Fixes an overly restrictive conformance test to accept service account tokens signed by an ECDSA key ([#100680](https://github.com/kubernetes/kubernetes/pull/100680), [@smira](https://github.com/smira)) [SIG Architecture, Auth and Testing]