- Kubernetes is now built with Go `1.21.0`. ([#118996](https://github.com/kubernetes/kubernetes/pull/118996), [@cpanato](https://github.com/cpanato))
- Kubernetes is now built with Go `1.21.1`. ([#120493](https://github.com/kubernetes/kubernetes/pull/120493), [@cpanato](https://github.com/cpanato))

- Kubernetes is now built with Go `1.19.5` ([#115010](https://github.com/kubernetes/kubernetes/pull/115010), [@cpanato](https://github.com/cpanato))
- Kubernetes is now built with go 1.20 ([#114502](https://github.com/kubernetes/kubernetes/pull/114502), [@cpanato](https://github.com/cpanato)) [SIG Release and Testing]

		result *= 7
	}()
	return 6
}
</pre>

<h2 id="Built-in_functions">Built-in functions</h2>

<p>
Built-in functions are
<a href="#Predeclared_identifiers">predeclared</a>.
They are called like any other function but some of them
accept a type instead of an expression as the first argument.
</p>

<p>
The built-in functions do not have standard Go types,

- Kubernetes is now built with Go `1.21.6`. ([#122705](https://github.com/kubernetes/kubernetes/pull/122705), [@cpanato](https://github.com/cpanato))
- Kubernetes is now built with Go `1.22.1`. ([#123750](https://github.com/kubernetes/kubernetes/pull/123750), [@cpanato](https://github.com/cpanato))

- Kubernetes is now built with Golang 1.18.2. ([#110043](https://github.com/kubernetes/kubernetes/pull/110043), [@cpanato](https://github.com/cpanato))
- Kubernetes is now built with Golang 1.18.3 ([#110421](https://github.com/kubernetes/kubernetes/pull/110421), [@cpanato](https://github.com/cpanato)) [SIG Release and Testing]

## Changelog since v1.21.9

## Changes by Kind

### Feature

- Kubernetes is now built with Golang 1.16.13 ([#107615](https://github.com/kubernetes/kubernetes/pull/107615), [@palnabarun](https://github.com/palnabarun)) [SIG Cloud Provider, Instrumentation, Release and Testing]

- Kubernetes is now built with Golang 1.17.4 ([#106833](https://github.com/kubernetes/kubernetes/pull/106833), [@cpanato](https://github.com/cpanato))
- Kubernetes is now built with Golang 1.17.5. ([#106956](https://github.com/kubernetes/kubernetes/pull/106956), [@cpanato](https://github.com/cpanato))

- Kubernetes is now built with Golang 1.16.7. ([#104199](https://github.com/kubernetes/kubernetes/pull/104199), [@cpanato](https://github.com/cpanato))
- Kubernetes is now built with Golang 1.17.1. ([#104904](https://github.com/kubernetes/kubernetes/pull/104904), [@cpanato](https://github.com/cpanato))

- Kubernetes is now built using go1.15.2
  - build: Update to k/repo-infra@v0.1.1 (supports go1.15.2)
  - build: Use go-runner:buster-v2.0.1 (built using go1.15.1)
  - bazel: Replace --features with Starlark build settings flag
  - hack/lib/util.sh: some bash cleanups
    
    - switched one spot to use kube::logging

- Kubernetes is now built with Go `1.20.4`. ([#117744](https://github.com/kubernetes/kubernetes/pull/117744), [@xmudrii](https://github.com/xmudrii)) [SIG Release and Testing]
- Kubernetes is now built with Go `1.20.5`. ([#118507](https://github.com/kubernetes/kubernetes/pull/118507), [@jeremyrickard](https://github.com/jeremyrickard))