SIG Storage made a lot of progress in the 1.18 release.
In particular, the following storage features are moving to GA in Kubernetes 1.18:
- Raw Block Support: Allow volumes to be surfaced as block devices inside containers instead of just mounted filesystems.
- Volume Cloning: Duplicate a PersistentVolumeClaim and underlying storage volume using the Kubernetes API via CSI.

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- For raw block CSI volumes on Kubernetes, kubelet was incorrectly calling CSI NodeStageVolume for every single "map" (i.e. raw block "mount") operation for a volume already attached to the node. This PR ensures it is only called once per volume per node. ([#112403](https://github.com/kubernetes/kubernetes/pull/112403),...

  
  The CSI Migration feature for vSphere Volume also requires minimum vSphere vCenter/ESXi Version to be 7.0u1 and minimum HW Version to be VM version 15.
  

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* The error handling behavior of `pkg/client/restclient.Result` has changed.  Calls to `Result.Raw()` will no longer parse the body, although they will still return errors that react to `pkg/api/errors.Is*()` as in previous releases.  Callers of `Get()` and `Into()` will continue to receive errors that are parsed from the body if the kind and apiVersion...

### Bug or Regression

- Allow deletion of pods that use raw block volumes on node reboot ([#122211](https://github.com/kubernetes/kubernetes/pull/122211), [@gnufied](https://github.com/gnufied)) [SIG Node and Storage]

        TPUs. See
        [usage guide](https://www.tensorflow.org/guide/keras/mixed_precision).
    *   Introduced the `TextVectorization` layer, which takes as input raw
        strings and takes care of text standardization, tokenization, n-gram
        generation, and vocabulary indexing. See this

pkg crypto/x509, type CertificateRequest struct, PublicKey interface{}
pkg crypto/x509, type CertificateRequest struct, PublicKeyAlgorithm PublicKeyAlgorithm
pkg crypto/x509, type CertificateRequest struct, Raw []uint8
pkg crypto/x509, type CertificateRequest struct, RawSubject []uint8
pkg crypto/x509, type CertificateRequest struct, RawSubjectPublicKeyInfo []uint8

- `Statefulset` respected `minReadySeconds`. ([#130909](https://github.com/kubernetes/kubernetes/pull/130909), [@Edwinhr716](https://github.com/Edwinhr716))
- `kubectl create|delete|get|replace --raw` commands now honored the server root paths specified in the kubeconfig file. ([#131165](https://github.com/kubernetes/kubernetes/pull/131165), [@liggitt](https://github.com/liggitt))

### Other (Cleanup or Flake)