* ACTION REQUIRED: Removes defaulting of CSI file system type to ext4. All the production drivers listed under https://kubernetes-csi.github.io/docs/drivers.html were inspected and should not be impacted after this change. If you are using a driver not in that list, please test the drivers on an updated test cluster first. ``` ([#65499](https://github.com/kubernetes/kubernetes/pull/65499), [@krunaljain](https://github.com/krunaljain))

### Other notable changes

#### Docker runtime Known Issues

- Kernel crash with Aufs storage driver on Debian Jessie ([#27885](https://github.com/kubernetes/kubernetes/issues/27885))

* Upgrading Container-VM base image for k8s on GCE. Brief changelog as follows: ([#32738](https://github.com/kubernetes/kubernetes/pull/32738), [@Amey-D](https://github.com/Amey-D))
    * Fixed performance regression in veth device driver
    * Docker and related binaries are statically linked
    * Fixed the issue of systemd being oom-killable

    val connect = server.takeRequest()
    assertThat(connect.headers["Private"]).isNull()
    assertThat(connect.headers["User-Agent"]).isEqualTo(USER_AGENT)
    assertThat(connect.headers["Proxy-Connection"]).isEqualTo("Keep-Alive")
    assertThat(connect.headers["Host"]).isEqualTo("android.com:443")
    val get = server.takeRequest()
    assertThat(get.headers["Private"]).isEqualTo("Secret")

1F9A3..1F9A4  ; valid                  ;      ; NV8    # 13.0 MAMMOTH..DODO
1F9A5..1F9AA  ; valid                  ;      ; NV8    # 12.0 SLOTH..OYSTER
1F9AB..1F9AD  ; valid                  ;      ; NV8    # 13.0 BEAVER..SEAL
1F9AE..1F9AF  ; valid                  ;      ; NV8    # 12.0 GUIDE DOG..PROBING CANE
1F9B0..1F9B9  ; valid                  ;      ; NV8    # 11.0 EMOJI COMPONENT RED HAIR..SUPERVILLAIN