- To enhance usability and developer experience, CRD validation rules now support direct use of (CEL) reserved keywords as field names in object validation expressions.

- kubeadm: Use generic terminology in logs instead of direct mentions of YAML/JSON  ([#130345](https://github.com/kubernetes/kubernetes/pull/130345), [@HirazawaUi](https://github.com/HirazawaUi))
- kubeadm: removed preflight check for `ip`, `iptables`, `ethtool` and `tc` on Linux nodes. 

  users on the system.) ([#124152](https://github.com/kubernetes/kubernetes/pull/124152), [@danwinship](https://github.com/danwinship)) [SIG Network]

- Don't use a custom dialer for the kubelet if is not rotating certificates, so we can reuse TCP connections and have only one between the apiserver and the kubelet.

pkg go/types, method (*Interface) Embedded //deprecated
pkg image, var ZP //deprecated
pkg image, var ZR //deprecated
pkg image/jpeg, type Reader //deprecated
pkg net, type Dialer struct, Cancel //deprecated
pkg net, type Dialer struct, DualStack //deprecated
pkg net/http, method (*Transport) CancelRequest //deprecated
pkg net/http, type CloseNotifier //deprecated
pkg net/http, type ProtocolError //deprecated

- Add kubectl wait  --ignore-not-found flag ([#90969](https://github.com/kubernetes/kubernetes/pull/90969), [@zhouya0](https://github.com/zhouya0)) [SIG CLI]
- Added support to kube-proxy for externalTrafficPolicy=Local setting via Direct Server Return (DSR) load balancers on Windows. ([#93166](https://github.com/kubernetes/kubernetes/pull/93166), [@elweb9858](https://github.com/elweb9858)) [SIG Network]

### Dashboard v2

zero after it restarts. If the extended resource is exported by a device plugin, its capacity will change to a valid value after the device plugin re-connects with the Kubelet. If the extended resource is exported by an external component through direct node status capacity patching, the component should repatch the field after kubelet becomes ready again. During the time gap, pods previously assigned with such resources may fail kubelet admission but their controller should create new pods in response...

#### Cluster Selection
* [alpha] Federation [ClusterSelector annotation](https://kubernetes.io/docs/tasks/administer-federation/cluster/#clusterselector-annotation) to direct objects to federated clusters with matching labels.


### **Instrumentation**
#### Core Metrics API

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