#### Encryption at Rest
* [alpha] Encrypt secrets stored in etcd. For more information, see [Securing a Cluster](https://kubernetes.io/docs/tasks/administer-cluster/securing-a-cluster/) and [Encrypting data at rest](https://kubernetes.io/docs/tasks/administer-cluster/encrypt-data/).

#### Node Authorization

- Fix etcd version migration script in etcd image. ([#91925](https://github.com/kubernetes/kubernetes/pull/91925), [@wenjiaswe](https://github.com/wenjiaswe)) [SIG API Machinery]

        <field>
          <name>scriptSourceDirectory</name>
          <version>4.0.0+</version>
          <required>true</required>
          <description>
            This element specifies a directory containing the script sources of the
            project. This directory is meant to be different from the sourceDirectory, in that its
            contents will be copied to the output directory in most cases (since scripts are

)

type TreeNode struct {
	left, right *TreeNode
	value *Comparable
}

type Block interface {
	BlockSize() int
	Encrypt(src, dst []byte)
	Decrypt(src, dst []byte)
}
</pre>

<p>
A defined type may have <a href="#Method_declarations">methods</a> associated with it.
It does not inherit any methods bound to the given type,

* API discovery failures no longer crash the kube controller manager via the garbage collector. ([#55259](https://github.com/kubernetes/kubernetes/pull/55259), [@ironcladlou](https://github.com/ironcladlou))
* Fix bug where master startup script on GCP failed randomly due to concurrent iptables invocations. ([#55945](https://github.com/kubernetes/kubernetes/pull/55945), [@x13n](https://github.com/x13n))



# v1.8.4

* add spelling checking script ([#59463](https://github.com/kubernetes/kubernetes/pull/59463), [@dixudx](https://github.com/dixudx))

* Portability across systems has been increased by the use of `/usr/bin/env` in all script shebangs. ([#62657](https://github.com/kubernetes/kubernetes/pull/62657), [@matthyx](https://github.com/matthyx))
* You can now use `kubectl api-resources` to discover resources.

)

type TreeNode struct {
	left, right *TreeNode
	value any
}

type Block interface {
	BlockSize() int
	Encrypt(src, dst []byte)
	Decrypt(src, dst []byte)
}
</pre>

<p>
A defined type may have <a href="#Method_declarations">methods</a> associated with it.
It does not inherit any methods bound to the given type,

### SIG AWS

In v1.13 we worked on tighter integrations of Kubernetes API objects with AWS services. These include three out-of-tree alpha feature releases:

with a round face, and large eyes like a frog; and both footmen,
Alice noticed, had powdered hair that curled all over their
heads.  She felt very curious to know what it was all about, and
crept a little way out of the wood to listen.

  The Fish-Footman began by producing from under his arm a great
letter, nearly as large as himself, and this he handed over to