- Fixed component status calling etcd health endpoint over http which exposed kubernetes to the risk of complete watch starvation and is inconsistent with other etcd probing done by `kube-apiserver`. ([#118460](https://github.com/kubernetes/kubernetes/pull/118460), [@serathius](https://github.com/serathius))

### Bug or Regression

- Fix component status calling etcd health endpoint over http which exposed kubernetes to the risk of complete watch starvation and is inconsistent with other etcd probing done by kube-apiserver. ([#118683](https://github.com/kubernetes/kubernetes/pull/118683), [@serathius](https://github.com/serathius)) [SIG API Machinery]

* [prototype] Volume snapshots

  * You can now create a volume snapshot by calling the Kubernetes API.

  * Note that the prototype does not support quiescing before snapshot, so snapshots might be inconsistent.

  * In the prototype phase, this feature is external to the core Kubernetes. It's available at https://github.com/kubernetes-incubator/external-storage/tree/master/snapshot.

### Cluster Federation

- Kube-apiserver: fixed a bug returning inconsistent results from list requests which set a field or label selector and set a paging limit ([#94002](https://github.com/kubernetes/kubernetes/pull/94002), [@wojtek-t](https://github.com/wojtek-t)) [SIG API Machinery]

//     restrictions like, "must refer only to types A and B" or "UID not honored" or "name must be restricted".
//     Those cannot be well described when embedded.
//  3. Inconsistent validation.  Because the usages are different, the validation rules are different by usage, which makes it hard for users to predict what will happen.

### Bug or Regression

- Fix component status calling etcd health endpoint over http which exposed kubernetes to the risk of complete watch starvation and is inconsistent with other etcd probing done by kube-apiserver. ([#119038](https://github.com/kubernetes/kubernetes/pull/119038), [@serathius](https://github.com/serathius)) [SIG API Machinery]

### Bug or Regression

- Fix component status calling etcd health endpoint over http which exposed kubernetes to the risk of complete watch starvation and is inconsistent with other etcd probing done by kube-apiserver. ([#119039](https://github.com/kubernetes/kubernetes/pull/119039), [@serathius](https://github.com/serathius)) [SIG API Machinery]

* fixes upgrade test to work with tightened validation of initializer names in 1.8 ([#52592](https://github.com/kubernetes/kubernetes/pull/52592), [@liggitt](https://github.com/liggitt))
* Fix inconsistent Prometheus cAdvisor metrics ([#51473](https://github.com/kubernetes/kubernetes/pull/51473), [@bboreham](https://github.com/bboreham))

*   DaemonSet status includes a new field named `conditions`, making it consistent with other workloads controllers. ([#55272](https://github.com/kubernetes/kubernetes/pull/55272),[ @janetkuo](https://github.com/janetkuo))
*   StatefulSet status now supports conditions, making it consistent with other core controllers in v1 ([#55268](https://github.com/kubernetes/kubernetes/pull/55268),[ @foxish](https://github.com/foxish))

- If firstTimestamp is not set use eventTime when printing event ([#94252](https://github.com/kubernetes/kubernetes/pull/94252), [@ingvagabund](https://github.com/ingvagabund)) [SIG CLI]
- Kube-apiserver: fixed a bug returning inconsistent results from list requests which set a field or label selector and set a paging limit ([#94002](https://github.com/kubernetes/kubernetes/pull/94002), [@wojtek-t](https://github.com/wojtek-t)) [SIG API Machinery]