- Promoted the `ServiceAccountTokenPodNodeInfo` feature to GA, which adds the node name and uid as claims into service account tokens mounted into running pods, and embeds that information as `authentication.kubernetes.io/node-name` and `authentication.kubernetes.io/node-uid` user...

 - Scheduler's CycleState now embeds internal read/write locking inside its `Read()` and `Write()` functions. Meanwhile, `Lock()` and `Unlock()` function are removed. Scheduler plugin developers are now required to remove `CycleState#Lock()` and `CycleState#Unlock()`. Just simply use...

* kubeadm: v1beta2 InitConfiguration no longer embeds ClusterConfiguration it it. ([#77739](https://github.com/kubernetes/kubernetes/pull/77739), [@rosti](https://github.com/rosti))

	f Float                 // illegal
}
</pre>

<p>
An interface type <code>T</code> may not embed a type element
that is, contains, or embeds <code>T</code>, directly or indirectly.
</p>

<pre>
// illegal: Bad may not embed itself
type Bad interface {
	Bad
}

// illegal: Bad1 may not embed itself using Bad2
type Bad1 interface {
	Bad2
}
type Bad2 interface {
	Bad1
}

- Kubeadm: increase robustness for "kubeadm join" when adding etcd members on slower setups ([#90645](https://github.com/kubernetes/kubernetes/pull/90645), [@neolit123](https://github.com/neolit123)) [SIG Cluster Lifecycle]

 - Kubeadm: increase robustness for "kubeadm join" when adding etcd members on slower setups ([#90645](https://github.com/kubernetes/kubernetes/pull/90645), [@neolit123](https://github.com/neolit123)) [SIG Cluster Lifecycle]

- Kubeadm: added the experimental (alpha) feature gate `EtcdLearnerMode` that allows etcd members to be joined as learner and only then promoted as voting members ([#113318](https://github.com/kubernetes/kubernetes/pull/113318), [@pacoxu](https://github.com/pacoxu))

- Bump cAdvisor to v0.49.0 ([#123599](https://github.com/kubernetes/kubernetes/pull/123599), [@bobbypage](https://github.com/bobbypage)) [SIG Node]
- Embed Node information into Pod-bound service account tokens as additional metadata

[Setup topics]: https://kubernetes.io/docs/setup/pick-right-solution/
[SIGs]: https://github.com/kubernetes/community/blob/master/sig-list.md


## Major Themes

Kubernetes is developed by community members whose work is organized into
[Special Interest Groups][]. For the 1.8 release, each SIG provides the
themes that guided their work.

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