* Support metrics API in `kubectl top` commands. ([#56206](https://github.com/kubernetes/kubernetes/pull/56206), [@brancz](https://github.com/brancz))

* Bump GCE metadata proxy to v0.1.9 to pick up security fixes. ([#58221](https://github.com/kubernetes/kubernetes/pull/58221), [@ihmccreery](https://github.com/ihmccreery))

type and extension. Text Representation These classes share an homogeneous text representation, which can be easily obtained through the toString() method. The general pattern is: [organisation]#[module]#[branch];[revision]![artifact].[ext]([type]) The # before the branch is present only if the branch is not empty. The type and surrounding parenthesis are present only if different from the extension. A textual representation can be parsed into an object (supported for ModuleRevisionId only yet), as long...

<p>
"If" statements specify the conditional execution of two branches
according to the value of a boolean expression.  If the expression
evaluates to true, the "if" branch is executed, otherwise, if
present, the "else" branch is executed.
</p>

<pre class="ebnf">
IfStmt = "if" [ SimpleStmt ";" ] Expression Block [ "else" ( IfStmt | Block ) ] .
</pre>

<pre>
if x &gt; max {
	x = max

appengine.flow.ch apple applinzi.com apps.fbsbx.com apps.lair.io appspacehosted.com appspaceusercontent.com appspot.com appudo.net aq aq.it aquarelle aquarium.museum aquila.it ar ar.com ar.it ar.us arab arai.shizuoka.jp arakawa.saitama.jp arakawa.tokyo.jp aramco arao.kumamoto.jp arboretum.museum archaeological.museum archaeology.museum archi architectes.bj architecture.museum ardal.no aremark.no arendal.no arezzo.it ariake.saga.jp arida.wakayama.jp aridagawa.wakayama.jp arita.saga.jp arkhangelsk.su armenia.su...

<p>
"If" statements specify the conditional execution of two branches
according to the value of a boolean expression.  If the expression
evaluates to true, the "if" branch is executed, otherwise, if
present, the "else" branch is executed.
</p>

<pre class="ebnf">
IfStmt = "if" [ SimpleStmt ";" ] Expression Block [ "else" ( IfStmt | Block ) ] .
</pre>

<pre>
if x &gt; max {
	x = max

much the most interesting, and perhaps as this is May it won't be
raving mad--at least not so mad as it was in March.'  As she said
this, she looked up, and there was the Cat again, sitting on a
branch of a tree.

  `Did you say pig, or fig?' said the Cat.

  `I said pig,' replied Alice; `and I wish you wouldn't keep
appearing and vanishing so suddenly:  you make one quite giddy.'

"avuti", "avute", "sono", "sei", "è", "siamo", "siete", "sia", "siate", "siano", "sarò", "sarai", "sarà", "saremo", "sarete", "saranno", "sarei", "saresti", "sarebbe", "saremmo", "sareste", "sarebbero", "ero", "eri", "era", "eravamo", "eravate", "erano", "fui", "fosti", "fu", "fummo", "foste", "furono", "fossi", "fosse", "fossimo", "fossero", "essendo", "faccio", "fai", "facciamo", "fanno", "faccia", "facciate", "facciano", "farò", "farai", "farà", "faremo", "farete", "faranno", "farei", "faresti",...

"avuti", "avute", "sono", "sei", "è", "siamo", "siete", "sia", "siate", "siano", "sarò", "sarai", "sarà", "saremo", "sarete", "saranno", "sarei", "saresti", "sarebbe", "saremmo", "sareste", "sarebbero", "ero", "eri", "era", "eravamo", "eravate", "erano", "fui", "fosti", "fu", "fummo", "foste", "furono", "fossi", "fosse", "fossimo", "fossero", "essendo", "faccio", "fai", "facciamo", "fanno", "faccia", "facciate", "facciano", "farò", "farai", "farà", "faremo", "farete", "faranno", "farei", "faresti",...

### Other notable changes

* Backport of the IPAM allocator enhancements to 1.8 branch. ([#62041](https://github.com/kubernetes/kubernetes/pull/62041), [@satyasm](https://github.com/satyasm))

- Added `--concurrency` flag to configure the concurrency of `kubectl diff` execution, defaults to 1. ([#118810](https://github.com/kubernetes/kubernetes/pull/118810), [@brancz](https://github.com/brancz))
- Added `ConsistentListFromCache` feature gate that allows apiserver to serve consistent lists from cache. ([#118508](https://github.com/kubernetes/kubernetes/pull/118508), [@serathius](https://github.com/serathius))