message ConfigMapEnvSource {
  // The ConfigMap to select from.
  optional LocalObjectReference localObjectReference = 1;

  // Specify whether the ConfigMap must be defined
  // +optional
  optional bool optional = 2;
}

// Selects a key from a ConfigMap.
// +structType=atomic
message ConfigMapKeySelector {
  // The ConfigMap to select from.
  optional LocalObjectReference localObjectReference = 1;

	    statement</a>.</li>
	</ul>
</li>

<li>
	A <a href="#Select_statements">"select" statement</a> in which:
	<ul>
	<li>there are no "break" statements referring to the "select" statement, and</li>
	<li>the statement lists in each case, including the default if present,
	    end in a terminating statement.</li>
	</ul>
</li>

<li>

* kubectl port-forward now allows using resource name (e.g., deployment/www) to select a matching pod, as well as the use of --pod-running-timeout to wait until at least one pod is running. ([#59705](https://github.com/kubernetes/kubernetes/pull/59705), [@phsiao](https://github.com/phsiao))

*   The RBAC bootstrapping policy now allows authenticated users to create selfsubjectrulesreviews. ([#56095](https://github.com/kubernetes/kubernetes/pull/56095),[ @ericchiang](https://github.com/ericchiang))
*   RBAC ClusterRoles can now select other roles to aggregate. ([#54005](https://github.com/kubernetes/kubernetes/pull/54005),[ @deads2k](https://github.com/deads2k))

* fix: azure disk could not mounted on Standard_DC4s/DC2s instances ([#86612](https://github.com/kubernetes/kubernetes/pull/86612), [@andyzhangx](https://github.com/andyzhangx))
* Fix v1.17.0 regression in reflector relist causing master rolling upgrade to fail for large clusters due to excessive list calls to etcd ([#86824](https://github.com/kubernetes/kubernetes/pull/86824), [@jpbetz](https://github.com/jpbetz))

pkg syscall (netbsd-arm64-cgo), const EIO = 5
pkg syscall (netbsd-arm64-cgo), const EISCONN = 56
pkg syscall (netbsd-arm64-cgo), const EISDIR = 21
pkg syscall (netbsd-arm64-cgo), const ELAST = 96
pkg syscall (netbsd-arm64-cgo), const ELAST Errno
pkg syscall (netbsd-arm64-cgo), const ELOOP = 62
pkg syscall (netbsd-arm64-cgo), const EMFILE = 24
pkg syscall (netbsd-arm64-cgo), const EMLINK = 31

pkg syscall (darwin-arm64), const EIO = 5
pkg syscall (darwin-arm64), const EISCONN = 56
pkg syscall (darwin-arm64), const EISDIR = 21
pkg syscall (darwin-arm64), const ELAST = 106
pkg syscall (darwin-arm64), const ELAST Errno
pkg syscall (darwin-arm64), const ELOOP = 62
pkg syscall (darwin-arm64), const EMFILE = 24
pkg syscall (darwin-arm64), const EMLINK = 31
pkg syscall (darwin-arm64), const EMSGSIZE = 40

* "kubectl wait" command now supports the "--all" flag to select all resources in the namespace of the specified resource types. ([#70599](https://github.com/kubernetes/kubernetes/pull/70599), [@caesarxuchao](https://github.com/caesarxuchao))

- To address the possibility of dry-run requests overwhelming admission webhooks...

- `kubectl exec` now allows using the resource name to select a matching pod and `--pod-running-timeout` flag to wait till at least one pod is running. ([#73664](https://github.com/kubernetes/kubernetes/pull/73664), [@prksu](https://github.com/prksu))