## Changelog since v1.21.5

## Changes by Kind

### API Change

- Kube-apiserver: Fixes handling of CRD schemas containing literal null values in enums (#104989, @liggitt) [SIG API Machinery, Apps and Network]

### Feature

- Kubernetes is now built with Golang 1.16.9 (#105672, @cpanato) [SIG Cloud Provider, Instrumentation, Release and Testing]

	// were changes to the in-memory cache we should wait for the next
	// cycle until we can safely update the in-memory cache.
	//
	// An in-memory cache must be replaced only if we know for sure that the
	// values loaded from disk are not stale. They might be stale if the
	// cached.updatedAt is more recent than the refresh cycle began.
	if cache.updatedAt.Before(loadedAt) || firstTime {

				// were now inlined, make sure to `nil` the Data such
				// that xl.meta is written as expected.
				metaArr[index].Data = nil
			}
			metaArr[index].Metadata = srcInfo.UserDefined
			// Preserve existing values
			if inlineData {
				metaArr[index].SetInlineData()
			}
			if freeVersionID != "" {
				metaArr[index].SetTierFreeVersionID(freeVersionID)
			}
			if freeVersionMarker {

### SIG AWS

- `service.beta.kubernetes.io/aws-load-balancer-internal` now supports true and false values, previously it only supported non-empty strings ([#69436](https://github.com/kubernetes/kubernetes/pull/69436), [@mcrute](https://github.com/mcrute))

		{"�", '�', 0},
		{"\xff", '�', 0},
		{"☻x�", '�', len("☻x")},
		{"☻x\xe2\x98", '�', len("☻x")},
		{"☻x\xe2\x98�", '�', len("☻x")},
		{"☻x\xe2\x98x", '�', len("☻x")},

		// Invalid rune values should never match.
		{"a☺b☻c☹d\xe2\x98�\xff�\xed\xa0\x80", -1, -1},
		{"a☺b☻c☹d\xe2\x98�\xff�\xed\xa0\x80", 0xD800, -1}, // Surrogate pair
		{"a☺b☻c☹d\xe2\x98�\xff�\xed\xa0\x80", utf8.MaxRune + 1, -1},

vik.no
vikna.no
vindafjord.no
volda.no
voss.no
varoy.no
værøy.no
vagan.no
vågan.no
voagat.no
vagsoy.no
vågsøy.no
vaga.no
vågå.no
valer.ostfold.no
våler.østfold.no
valer.hedmark.no
våler.hedmark.no

// np : http://www.mos.com.np/register.html
*.np

// nr : http://cenpac.net.nr/dns/index.html
// Submitted by registry <******@****.***>
nr

notify_redis          publish bucket notifications to Redis datastores
```

> NOTE:
>
> - '\*' at the end of arg means its mandatory.
> - '\*' at the end of the values, means its the default value for the arg.
> - When configured using environment variables, the `:name` can be specified using this format `MINIO_NOTIFY_WEBHOOK_ENABLE_<name>`.

## Publish MinIO events via AMQP

uwajima.ehime.jp uwu.ai uy uy.com uz uz.ua uzhgorod.ua uzs.gov.pl v-info.info v.bg v.ua va va.it va.no va.us vaapste.no vacations vadso.no vadsø.no vaga.no vagan.no vagsoy.no vaksdal.no val-d-aosta.it val-daosta.it vald-aosta.it valdaosta.it valer.hedmark.no valer.ostfold.no valle-aosta.it valle-d-aosta.it valle-daosta.it valle.no valleaosta.it valled-aosta.it valledaosta.it vallee-aoste.it vallee-d-aoste.it valleeaoste.it valleedaoste.it valley.museum vallée-aoste.it vallée-d-aoste.it valléeaoste.it...

- Graduated support for passing dual-stack `kubelet --node-ip` values when using a cloud provider. The feature is now GA, and the `CloudDualStackNodeIPs` feature gate is always enabled. ([#123134](https://github.com/kubernetes/kubernetes/pull/123134), [@danwinship](https://github.com/danwinship))

button = $(event.target).closest(SELECTOR_BUTTON)[0]\n    $(button).toggleClass(CLASS_NAME_FOCUS, /^focus(in)?$/.test(event.type))\n  })\n\n$(window).on(EVENT_LOAD_DATA_API, () => {\n  // ensure correct active class is set to match the controls' actual values/states\n\n  // find all checkboxes/readio buttons inside data-toggle groups\n  let buttons = [].slice.call(document.querySelectorAll(SELECTOR_DATA_TOGGLES_BUTTONS))\n  for (let i = 0, len = buttons.length; i < len; i++) {\n    const button = buttons[i]\n...