- The `--quiet` option to `kubectl run` now suppresses resource deletion messages emitted when the `--rm` option is specified. ([#73266](https://github.com/kubernetes/kubernetes/pull/73266), [@awh](https://github.com/awh))

- `kubectl exec` and `kubectl attach` now honor the `--quiet` flag which suppresses output from the local binary that could be confused by a script with the remote command output (all non-failure output is hidden). In addition, print inline with exec and attach the list of alternate containers when we default...

  </mime-type>
  
  <!-- First Quattro Pro for Windows had major version number 1, which
  was followed by 5. This is confusing, perhaps adding "win" qualifier to version
  field could clear this up (but it's quite ugly as well)   -->
  
  <mime-type type="application/x-quattro-pro;version=1+5">
    <sub-class-of type="application/x-quattro-pro"/>
    <_comment>Quattro Pro for Windows, version 1, 5</_comment>

### SIG CLI introduces kubectl debug

* Fix bug with service nodeports that have no backends not being rejected, when they should be.  This is not a regression vs v1.5 - it's a fix that didn't quite fix hard enough. ([#43972](https://github.com/kubernetes/kubernetes/pull/43972), [@thockin](https://github.com/thockin))

* Remove the deprecated vsphere kube-up. ([#39140](https://github.com/kubernetes/kubernetes/pull/39140), [@kerneltime](https://github.com/kerneltime))

### kubeadm

- **Volume Extension**: There are quite a few enhancements in this release that pertain to volumes and volume modifications. Volume resizing support in CSI specs is moving to beta which allows for any CSI spec volume plugin to be resizable.