* Support new NODE_OS_DISTRIBUTION 'custom' on GCE ([#61235](https://github.com/kubernetes/kubernetes/pull/61235), [@yguo0905](https://github.com/yguo0905))
* Fixed missing error checking that could cause kubelet to crash in a race condition. ([#60962](https://github.com/kubernetes/kubernetes/pull/60962), [@technicianted](https://github.com/technicianted))

* Fixed binding of block PersistentVolumes / PersistentVolumeClaims when BlockVolume feature is off. ([#84049](https://github.com/kubernetes/kubernetes/pull/84049), [@jsafrane](https://github.com/jsafrane))
* Fixed an issue with informers missing an `Added` event if a recently deleted object was immediately recreated at the same time the informer dropped a watch and relisted. ([#83911](https://github.com/kubernetes/kubernetes/pull/83911), [@matte21](https://github.com/matte21))

`super-admin.conf` file. The cluster admin can then decide to keep the file present on a node host or move it to a safe location. `kubadm certs renew` will renew the certificate in `super-admin.conf` to one year if the file exists; if it does not exist a "MISSING" note will be printed. `kubeadm upgrade apply` for this release will migrate this particular node to the two file setup. Subsequent kubeadm releases will continue to optionally renew the certificate in `super-admin.conf` if the file exists on disk...

- Fixing issue with Winkernel Proxier - ClusterIP Loadbalancers are missing if the ExternalTrafficPolicy is set to Local and the available endpoints are all remoteEndpoints. ([#116001](https://github.com/kubernetes/kubernetes/pull/116001), [@princepereira](https://github.com/princepereira)) [SIG Network]

* Fixed a bug in the API server watch cache, which could cause a missing watch event immediately after cache initialization. ([#49992](https://github.com/kubernetes/kubernetes/pull/49992), [@liggitt](https://github.com/liggitt))



# v1.7.3