e=t.getAttribute("data-target");if(!e||"#"===e){var n=t.getAttribute("href");e=n&&"#"!==n?n.trim():""}try{return document.querySelector(e)?e:null}catch(t){return null}},getTransitionDurationFromElement:function(t){if(!t)return 0;var e=g(t).css("transition-duration"),n=g(t).css("transition-delay"),i=parseFloat(e),o=parseFloat(n);return i||o?(e=e.split(",")[0],n=n.split(",")[0],1e3*(parseFloat(e)+parseFloat(n))):0},reflow:function(t){return t.offsetHeight},triggerTransitionEnd:function(t){g(t).trigger(n)},s...

#### Application autoscaling
* Make "upscale forbidden window" and "downscale forbidden window"  duration configurable in arguments of kube-controller-manager. ([#42101](https://github.com/kubernetes/kubernetes/pull/42101), [@Dmitry1987](https://github.com/Dmitry1987))

#### Application Deployment

edu.pt edu.py edu.qa edu.rs edu.ru edu.sa edu.sb edu.sc edu.scot edu.sd edu.sg edu.sl edu.sn edu.so edu.ss edu.st edu.sv edu.sy edu.tj edu.tm edu.to edu.tr edu.tt edu.tw edu.ua edu.uy edu.vc edu.ve edu.vn edu.vu edu.ws edu.ye edu.za edu.zm education education.museum educational.museum educator.aero edugit.io ee ee.eu.org eero-stage.online eero.online eg egersund.no egoism.jp egyptian.museum ehime.jp eid.no eidfjord.no eidsberg.no eidskog.no eidsvoll.no eigersund.no eiheiji.fukui.jp eisenbahn.museum...

pkg mime/quotedprintable, type Reader struct
pkg mime/quotedprintable, type Writer struct
pkg mime/quotedprintable, type Writer struct, Binary bool
pkg net, type Dialer struct, FallbackDelay time.Duration
pkg net, type OpError struct, Source Addr
pkg net/http, type Request struct, Cancel <-chan struct
pkg net/http/fcgi, var ErrConnClosed error
pkg net/http/fcgi, var ErrRequestAborted error

- `watch.Until` now works for long durations. ([#67350](https://github.com/kubernetes/kubernetes/pull/67350), [@tnozicka](https://github.com/tnozicka))
- Added duration metric for CRD webhook converters. ([#74376](https://github.com/kubernetes/kubernetes/pull/74376), [@mbohlool](https://github.com/mbohlool))

		HTTPStatusCode: http.StatusConflict,
	},
	ErrInvalidDuration: {
		Code:           "InvalidDuration",
		Description:    "Duration provided in the request is invalid.",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrInvalidBucketObjectLockConfiguration: {
		Code:           "InvalidRequest",

- The kube-controller-manager's deprecated `--experimental-cluster-signing-duration` flag is now removed. Adapt your machinery to use the `--cluster-signing-duration` flag that is available since v1.19. ([#108476](https://github.com/kubernetes/kubernetes/pull/108476), [@ialidzhikov](https://github.com/ialidzhikov))

- Kube-controller-manager: the `--experimental-cluster-signing-duration` flag is marked as deprecated for removal in v1.22, and is replaced with `--cluster-signing-duration`. ([#91154](https://github.com/kubernetes/kubernetes/pull/91154), [@liggitt](https://github.com/liggitt)) [SIG Auth and Cloud Provider]

* Added kubeadm commands to manage bootstrap tokens and the duration they are valid for. ([#35805](https://github.com/kubernetes/kubernetes/pull/35805), [@dgoodwin](https://github.com/dgoodwin))

### kubectl

#### New Commands

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