- Kube API server accepts `Impersonate-Uid` header to impersonate a user with a specific UID, in the same way that you can currently use `Impersonate-User`, `Impersonate-Group` and `Impersonate-Extra`. ([#99961](https://github.com/kubernetes/kubernetes/pull/99961), [@margocrawf](https://github.com/margocrawf))

  `Certainly not!' said Alice indignantly.

  `Ah! then yours wasn't a really good school,' said the Mock
Turtle in a tone of great relief.  `Now at OURS they had at the
end of the bill, "French, music, AND WASHING--extra."'

  `You couldn't have wanted it much,' said Alice; `living at the
bottom of the sea.'

  `I couldn't afford to learn it.' said the Mock Turtle with a
sigh.  `I only took the regular course.'

- For scheduler plugin developers: the scheduler framework's shared PodInformer is now initialized with empty indexers. This enables scheduler plugins to add their extra indexers. Note that only non-conflict indexers are allowed to be added. ([#110663](https://github.com/kubernetes/kubernetes/pull/110663), [@fromanirh](https://github.com/fromanirh)) [SIG Scheduling]

* Increase Azure default maximumLoadBalancerRuleCount to 250. ([#72621](https://github.com/kubernetes/kubernetes/pull/72621), [@feiskyer](https://github.com/feiskyer))
* RuntimeClass is now printed with extra `RUNTIME-HANDLER` column. ([#72446](https://github.com/kubernetes/kubernetes/pull/72446), [@Huang-Wei](https://github.com/Huang-Wei))

- Fixed kubelet creating extra sandbox for pods with RestartPolicyOnFailure after all containers succeeded ([#92614](https://github.com/kubernetes/kubernetes/pull/92614), [@tnqn](https://github.com/tnqn)) [SIG Node and Testing]

</p>

<pre class="ebnf">
MethodDecl = "func" Receiver MethodName Signature [ FunctionBody ] .
Receiver   = Parameters .
</pre>

<p>
The receiver is specified via an extra parameter section preceding the method
name. That parameter section must declare a single non-variadic parameter, the receiver.
Its type must be a <a href="#Type_definitions">defined</a> type <code>T</code> or a

exchange

// expert : 2013-11-21 Binky Moon, LLC
expert

// exposed : 2013-12-05 Binky Moon, LLC
exposed

// express : 2015-02-11 Binky Moon, LLC
express

// extraspace : 2015-05-14 Extra Space Storage LLC
extraspace

// fage : 2014-12-18 Fage International S.A.
fage

// fail : 2014-03-06 Binky Moon, LLC
fail

// fairwinds : 2014-11-13 FairWinds Partners, LLC
fairwinds

ModuleRevisionId is used as the identifier of a module in a particular version or version constraint. It is composed of a ModuleId, a revision, and optionally a branch and extra attributes. ArtifactId identifies an artifact without considering its version. It's basically a ModuleId and an artifact name, type and extension, plus optional extra attributes. ArtifactRevisionId identifies an artifact of a module in a particular version. It is composed of a ModuleRevisionId along with artifact identifier like...

\"~bootstrap/scss/bootstrap\";\n\n// Variables and Mixins\n// ---------------------------------------------------\n@import \"variables\";\n@import \"variables-alt\";\n@import \"mixins\";\n\n@import \"parts/core\";\n@import \"parts/components\";\n@import \"parts/extra-components\";\n@import \"parts/pages\";\n@import \"parts/plugins\";\n@import \"parts/miscellaneous\";\n","/*!\n * Bootstrap v4.6.1 (https://getbootstrap.com/)\n * Copyright 2011-2021 The Bootstrap Authors\n * Copyright 2011-2021 Twitter, Inc.\n * Licensed...

</p>

<pre class="ebnf">
MethodDecl = "func" Receiver MethodName Signature [ FunctionBody ] .
Receiver   = Parameters .
</pre>

<p>
The receiver is specified via an extra parameter section preceding the method
name. That parameter section must declare a single non-variadic parameter, the receiver.
Its type must be a <a href="#Type_definitions">defined</a> type <code>T</code> or a