A <code>nil</code> map is equivalent to an empty map except that no elements
may be added.
</p>

<h3 id="Channel_types">Channel types</h3>

<p>
A channel provides a mechanism for
<a href="#Go_statements">concurrently executing functions</a>
to communicate by
<a href="#Send_statements">sending</a> and
<a href="#Receive_operator">receiving</a>
values of a specified element type.

* Federated DaemonSet controller. Supports all the API that regular DaemonSet has. ([#34319](https://github.com/kubernetes/kubernetes/pull/34319), [@mwielgus](https://github.com/mwielgus))
* New federation deployment mechanism now allows non-GCP clusters. ([#34620](https://github.com/kubernetes/kubernetes/pull/34620), [@madhusudancs](https://github.com/madhusudancs))
  * Writes the federation kubeconfig to the local kubeconfig file.

#### GCE
* On GCI by default logrotate is disabled for application containers in favor of rotation mechanism provided by docker logging driver. ([#40634](https://github.com/kubernetes/kubernetes/pull/40634), [@crassirostris](https://github.com/crassirostris))

#### GKE

* Added service annotation for AWS ELB SSL policy ([#54507](https://github.com/kubernetes/kubernetes/pull/54507), [@micahhausler](https://github.com/micahhausler))
* Implement correction mechanism for dangling volumes attached for deleted pods ([#55491](https://github.com/kubernetes/kubernetes/pull/55491), [@gnufied](https://github.com/gnufied))

- Added a `/statusz` endpoint for kube-scheduler ([#128987](https://github.com/kubernetes/kubernetes/pull/128987), [@Henrywu573](https://github.com/Henrywu573)) [SIG Instrumentation, Scheduling and Testing]

- Add fish shell completion to kubectl. ([#92989](https://github.com/kubernetes/kubernetes/pull/92989), [@WLun001](https://github.com/WLun001))
- Add mechanism to load simple sniffer class into fluentd-elasticsearch image ([#92853](https://github.com/kubernetes/kubernetes/pull/92853), [@cosmo0920](https://github.com/cosmo0920))

- **Admission webhooks:** Admission webhooks are in widespread use as a Kubernetes extensibility mechanism and have been available in beta since the 1.9 release. The 1.16 release marks the graduation of admission webhooks to general availability (GA).

       manner specified by section 6 of the GNU GPL for conveying
       Corresponding Source.

       1) Use a suitable shared library mechanism for linking with the
       Library.  A suitable mechanism is one that (a) uses at run time
       a copy of the Library already present on the user's computer
       system, and (b) will operate properly with a modified version

ek.encryptionKey1024 b = b[EncapsulationKeySize:] if !bytes.Equal(dk.h[:], b[:32]) { return nil, errors.New("mlkem: inconsistent H(ek) in encoded bytes") } b = b[32:] copy(dk.z[:], b) // Generate a random d value for use in Bytes(). This is a safety mechanism // that avoids returning a broken key vs a random key if this function is // called in contravention of the TestingOnlyNewDecaps function // comment advising against it. drbg.Read(dk.d[:]) return dk, nil } // kemKeyGen1024 generates a decapsulation...

ek.encryptionKey1024 b = b[EncapsulationKeySize:] if !bytes.Equal(dk.h[:], b[:32]) { return nil, errors.New("mlkem: inconsistent H(ek) in encoded bytes") } b = b[32:] copy(dk.z[:], b) // Generate a random d value for use in Bytes(). This is a safety mechanism // that avoids returning a broken key vs a random key if this function is // called in contravention of the TestingOnlyNewDecaps function // comment advising against it. drbg.Read(dk.d[:]) return dk, nil } // kemKeyGen1024 generates a decapsulation...