- kubeadm: prevent overriding of certain kubelet security configuration parameters if the user wished to modify them ([#81903](https://github.com/kubernetes/kubernetes/pull/81903), [@jfbai](https://github.com/jfbai))

## Changelog since v1.18.0-beta.2

## Changes by Kind

### API Change

- Removes ConfigMap as suggestion for IngressClass parameters ([#89093](https://github.com/kubernetes/kubernetes/pull/89093), [@robscott](https://github.com/robscott)) [SIG Network]

### Other (Bug, Cleanup or Flake)

pkg crypto/dsa, func GenerateParameters(*Parameters, io.Reader, ParameterSizes) error
pkg crypto/dsa, func Sign(io.Reader, *PrivateKey, []uint8) (*big.Int, *big.Int, error)
pkg crypto/dsa, func Verify(*PublicKey, []uint8, *big.Int, *big.Int) bool
pkg crypto/dsa, type ParameterSizes int
pkg crypto/dsa, type Parameters struct
pkg crypto/dsa, type Parameters struct, G *big.Int
pkg crypto/dsa, type Parameters struct, P *big.Int

* kubeadm

  * Enable the Node Authorizer/Admission plugin in v1.7 ([#46879](https://github.com/kubernetes/kubernetes/pull/46879), [@luxas](https://github.com/luxas))

  * Users can now pass extra parameters to etcd in a kubeadm cluster ([#42246](https://github.com/kubernetes/kubernetes/pull/42246), [@jamiehannaford](https://github.com/jamiehannaford))

- Resolves a spurious "Unknown discovery response content-type" error in client-go discovery requests by tolerating extra content-type parameters in API responses ([#117638](https://github.com/kubernetes/kubernetes/pull/117638), [@seans3](https://github.com/seans3)) [SIG API Machinery]

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(ten or fewer lines in length), you do both of the following: