</p>

<h3 id="Qualified_identifiers">Qualified identifiers</h3>

<p>
A <i>qualified identifier</i> is an identifier qualified with a package name prefix.
Both the package name and the identifier must not be
<a href="#Blank_identifier">blank</a>.
</p>

<pre class="ebnf">
QualifiedIdent = PackageName "." identifier .
</pre>

<p>

  // List of endpoints.
  repeated Endpoints items = 2;
}

// EnvFromSource represents the source of a set of ConfigMaps
message EnvFromSource {
  // An optional identifier to prepend to each key in the ConfigMap. Must be a C_IDENTIFIER.
  // +optional
  optional string prefix = 1;

  // The ConfigMap to select from
  // +optional
  optional ConfigMapEnvSource configMapRef = 2;

* [stable] You can now customize the iSCSI initiator name per volume in the iSCSI volume plugin.

* [stable] You can now specify the World Wide Identifier (WWID) for the volume identifier in the Fibre Channel volume plugin.

* [beta] Reclaim policy in StorageClass

    /** The key of the configuration. e.g. l */
    String LDAP_ATTR_CITY = "ldap.attr.city";

    /** The key of the configuration. e.g. teletexTerminalIdentifier */
    String LDAP_ATTR_TELETEX_TERMINAL_IDENTIFIER = "ldap.attr.teletexTerminalIdentifier";

    /** The key of the configuration. e.g. x121Address */
    String LDAP_ATTR_X121_ADDRESS = "ldap.attr.x121Address";

- CEL CRD validation expressions may now reference existing object state using the identifier `oldSelf`. ([#108073](https://github.com/kubernetes/kubernetes/pull/108073), [@benluddy](https://github.com/benluddy))

## Non-user-facing Changes

* CRI now uses moutpoint as image filesystem identifier instead of UUID. ([#59475](https://github.com/kubernetes/kubernetes/pull/59475), [@Random-Liu](https://github.com/Random-Liu))

  - Improve tests to work better with constrained resources
  - Add support for node autodiscovery
  - Add support for `--cloud-config`
  - Update group identifier to use for Cluster API annotations
  
  ### Exoscale
  - Add support for Exoscale
  
  ### GCE
  - Decrease the number of GCE Read Requests made while deleting nodes

  - Improve tests to work better with constrained resources
  - Add support for node auto-discovery
  - Add support for `--cloud-config`
  - Update group identifier to use for Cluster API annotations
  
  ### Exoscale
  - Add support for Exoscale
  
  ### GCE
  - Decrease the number of GCE Read Requests made while deleting nodes

### Docs

* 📝 Update data structure and render for external-links. PR [#10495](https://github.com/tiangolo/fastapi/pull/10495) by [@tiangolo](https://github.com/tiangolo).
* ✏️ Fix link to SPDX license identifier in `docs/en/docs/tutorial/metadata.md`. PR [#10433](https://github.com/tiangolo/fastapi/pull/10433) by [@worldworm](https://github.com/worldworm).

## Introduction to 1.9.0

Kubernetes version 1.9 includes new features and enhancements, as well as fixes to identified issues. The release notes contain a brief overview of the important changes introduced in this release. The content is organized by Special Interest Group ([SIG](https://github.com/kubernetes/community/blob/master/sig-list.md)).