* apiserver: fixes handling and logging of panics in REST handlers to prevent crashes ([#71076](https://github.com/kubernetes/kubernetes/pull/71076), [@liggitt](https://github.com/liggitt))
* Upgrade golang.org/x/net image to release-branch.go1.10 ([#70663](https://github.com/kubernetes/kubernetes/pull/70663), [@wenjiaswe](https://github.com/wenjiaswe))

* Fixes authentication problem faced during various vSphere operations. ([#57978](https://github.com/kubernetes/kubernetes/pull/57978), [@prashima](https://github.com/prashima))
* The getSubnetIDForLB() should return subnet id rather than net id. ([#58208](https://github.com/kubernetes/kubernetes/pull/58208), [@FengyunPan](https://github.com/FengyunPan))

## **Action Required Before Upgrading**

### Network

* Update to use go 1.12.9 ([#81489](https://github.com/kubernetes/kubernetes/pull/81489), [@BenTheElder](https://github.com/BenTheElder))
* Update golang/x/net dependency to bring in fixes for CVE-2019-9512, CVE-2019-9514 ([#81525](https://github.com/kubernetes/kubernetes/pull/81525), [@cblecker](https://github.com/cblecker))

   limitations under the License.

================================================================

go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp
https://go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp
----------------------------------------------------------------
                                 Apache License
                           Version 2.0, January 2004

## Changelog since v1.15.2

### Other notable changes

* Update golang/x/net dependency to bring in fixes for CVE-2019-9512, CVE-2019-9514 ([#81522](https://github.com/kubernetes/kubernetes/pull/81522), [@cblecker](https://github.com/cblecker))

* Fixes ability for admin/edit/view users to see controller revisions, needed for kubectl rollout commands ([#70699](https://github.com/kubernetes/kubernetes/pull/70699), [@liggitt](https://github.com/liggitt))
* Upgrade golang.org/x/net image to release-branch.go1.10 ([#70663](https://github.com/kubernetes/kubernetes/pull/70663), [@wenjiaswe](https://github.com/wenjiaswe))

pkg log/syslog (openbsd-amd64-cgo), type Priority int
pkg log/syslog (openbsd-amd64-cgo), type Writer struct
pkg net, method (*IP) UnmarshalText([]uint8) error
pkg net, method (*TCPConn) SetKeepAlivePeriod(time.Duration) error
pkg net, method (IP) MarshalText() ([]uint8, error)
pkg net, type Dialer struct, DualStack bool
pkg net/smtp, method (*Client) Close() error
pkg os (linux-arm), const O_SYNC = 1052672

            defaultMap.put(FessConfig.QUERY_LANGUAGE_MAPPING,

	`networking.k8s.io/v1` API group. The structure remains unchanged from
	the beta1 API.
	The `net.beta.kubernetes.io/network-policy` annotation on Namespaces
	to opt in to isolation has been removed. Instead, isolation is now
	determined at a per-pod level, with pods being isolated if there is