* `cluster/update-storage-objects.sh` now supports updating StorageClasses in etcd to storage.k8s.io/v1. You must do this prior to upgrading to 1.8. ([#46116](https://github.com/kubernetes/kubernetes/pull/46116), [@ncdc](https://github.com/ncdc))


### Controller Manager

* Handle image digests in node status and image GC ([#25088](https://github.com/kubernetes/kubernetes/pull/25088), [@ncdc](https://github.com/ncdc))
* PLEG: reinspect pods that failed prior inspections ([#25077](https://github.com/kubernetes/kubernetes/pull/25077), [@ncdc](https://github.com/ncdc))

* Always return command output for exec probes and kubelet RunInContainer ([#30731](https://github.com/kubernetes/kubernetes/pull/30731), [@ncdc](https://github.com/ncdc))
* Enable the garbage collector by default ([#30480](https://github.com/kubernetes/kubernetes/pull/30480), [@caesarxuchao](https://github.com/caesarxuchao))

* Allow missing keys in templates by default ([#39486](https://github.com/kubernetes/kubernetes/pull/39486), [@ncdc](https://github.com/ncdc))
* Fix kubectl get -f <file> -o <nondefault printer> so it prints all items in the file ([#39038](https://github.com/kubernetes/kubernetes/pull/39038), [@ncdc](https://github.com/ncdc))

* Honor starting resourceVersion in watch cache ([#24208](https://github.com/kubernetes/kubernetes/pull/24208), [@ncdc](https://github.com/ncdc))
* Fix TerminationMessagePath ([#23658](https://github.com/kubernetes/kubernetes/pull/23658), [@Random-Liu](https://github.com/Random-Liu))

- Known issue: fixed that the PreEnqueue plugins aren't executed for Pods proceeding to activeQ through backoffQ. ([#117194](https://github.com/kubernetes/kubernetes/pull/117194), [@sanposhiho](https://github.com/sanposhiho))...

* Fixed an issue mounting the wrong secret into pods as a service account token. ([#44102](https://github.com/kubernetes/kubernetes/pull/44102), [@ncdc](https://github.com/ncdc))
* AWS cloud provider: allow to set KubernetesClusterID or KubernetesClusterTag in combination with VPC. ([#42512](https://github.com/kubernetes/kubernetes/pull/42512), [@scheeles](https://github.com/scheeles))

* Fixed a bug where a jsonpath filter would return an error if one of the items being evaluated did not contain all of the nested elements in the filter query. ([#47846](https://github.com/kubernetes/kubernetes/pull/47846), [@ncdc](https://github.com/ncdc))
* Uses the port config option in the kubeapi-load-balancer charm. ([#48958](https://github.com/kubernetes/kubernetes/pull/48958), [@wwwtyro](https://github.com/wwwtyro))

#### **Other**

- Moved `LocalStorageCapacityIsolationFSQuotaMonitoring` back to Alpha. ([#112076](https://github.com/kubernetes/kubernetes/pull/112076), [@rphillips](https://github.com/rphillips))