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Add release notes for v1.2.1 and cleanup/unify formatting/layout.
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David McMahon
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129
CHANGELOG.md
129
CHANGELOG.md
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<!-- BEGIN MUNGE: GENERATED_TOC -->
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- [Release Notes for Kubernetes v1.3.0-alpha.1](#release-notes-for-kubernetes-v130-alpha1)
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- [[Documentation](http://kubernetes.github.io) & [Examples](http://releases.k8s.io/HEAD/examples)](#documentationhttpkubernetesgithubio--exampleshttpreleasesk8sioheadexamples)
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- [v1.2.1](#v121)
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- [Downloads](#downloads)
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- [Changes since v1.2.0 (last PR #23530)](#changes-since-v120-last-pr-23530)
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- [Changes since v1.2.0](#changes-since-v120)
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- [Other notable changes](#other-notable-changes)
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- [v1.3.0-alpha.1](#v130-alpha1)
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- [Downloads](#downloads)
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- [Changes since v1.2.0](#changes-since-v120)
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- [Action Required](#action-required)
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- [Other notable changes](#other-notable-changes)
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- [Release Notes for Kubernetes 1.2.0](#release-notes-for-kubernetes-120)
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- [[Documentation](http://kubernetes.github.io) & [Examples](http://releases.k8s.io/release-1.2/examples)](#documentationhttpkubernetesgithubio--exampleshttpreleasesk8siorelease-12examples)
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- [v1.2.0](#v120)
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- [Downloads](#downloads)
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- [Changes since v1.1.1](#changes-since-v111)
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- [Major Themes](#major-themes)
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- [Other notable improvements](#other-notable-improvements)
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- [Experimental Features](#experimental-features)
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- [Action required](#action-required)
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- [Known Issues](#known-issues)
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- [Docker Known Issues](#docker-known-issues)
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- [1.9.1](#191)
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- [Provider-specific Notes](#provider-specific-notes)
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- [Various](#various)
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- [AWS](#aws)
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- [GCE](#gce)
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- [Changelog](#changelog)
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- [Major Themes](#major-themes)
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- [Other notable improvements](#other-notable-improvements)
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- [Experimental Features](#experimental-features)
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- [Action required](#action-required)
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- [Known Issues](#known-issues)
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- [Docker Known Issues](#docker-known-issues)
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- [1.9.1](#191)
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- [Provider-specific Notes](#provider-specific-notes)
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- [Various](#various)
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- [AWS](#aws)
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- [GCE](#gce)
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<!-- END MUNGE: GENERATED_TOC -->
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<!-- NEW RELEASE NOTES ENTRY -->
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# Release Notes for Kubernetes v1.3.0-alpha.1
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# v1.2.1
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## [Documentation](http://kubernetes.github.io) & [Examples](http://releases.k8s.io/HEAD/examples)
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[Documentation](http://kubernetes.github.io) & [Examples](http://releases.k8s.io/release-1.2/examples)
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## Downloads
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binary | sha1 hash | md5 hash
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------ | --------- | --------
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[kubernetes.tar.gz](https://storage.googleapis.com/kubernetes-release/release/v1.2.1/kubernetes.tar.gz) | `1639807c5788e1c6b1ab51fd30b723fb5debd865` | `235a1da47972c96a560d718d3256ca4f`
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## Changes since v1.2.0
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### Other notable changes
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* AWS: Fix problems with >2 security groups ([#23718](https://github.com/kubernetes/kubernetes/pull/23718), [@justinsb](https://github.com/justinsb))
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* AWS: Fix problems with >2 security groups ([#23340](https://github.com/kubernetes/kubernetes/pull/23340), [@justinsb](https://github.com/justinsb))
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* IngressTLS: allow secretName to be blank for SNI routing ([#23707](https://github.com/kubernetes/kubernetes/pull/23707), [@tam7t](https://github.com/tam7t))
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* IngressTLS: allow secretName to be blank for SNI routing ([#23500](https://github.com/kubernetes/kubernetes/pull/23500), [@tam7t](https://github.com/tam7t))
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* Heapster patch release to 1.0.2 ([#23487](https://github.com/kubernetes/kubernetes/pull/23487), [@piosz](https://github.com/piosz))
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* Remove unnecessary override of /etc/init.d/docker on containervm image. ([#23593](https://github.com/kubernetes/kubernetes/pull/23593), [@dchen1107](https://github.com/dchen1107))
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* Change kube-proxy & fluentd CPU request to 20m/80m. ([#23646](https://github.com/kubernetes/kubernetes/pull/23646), [@cjcullen](https://github.com/cjcullen))
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* make docker-checker more robust ([#23662](https://github.com/kubernetes/kubernetes/pull/23662), [@ArtfulCoder](https://github.com/ArtfulCoder))
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* validate that daemonsets don't have empty selectors on creation ([#23530](https://github.com/kubernetes/kubernetes/pull/23530), [@mikedanese](https://github.com/mikedanese))
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* don't sync deployment when pod selector is empty ([#23467](https://github.com/kubernetes/kubernetes/pull/23467), [@mikedanese](https://github.com/mikedanese))
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* Support differentiation of OS distro in e2e tests ([#23466](https://github.com/kubernetes/kubernetes/pull/23466), [@andyzheng0831](https://github.com/andyzheng0831))
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* don't sync daemonsets with selectors that match all pods ([#23223](https://github.com/kubernetes/kubernetes/pull/23223), [@mikedanese](https://github.com/mikedanese))
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* Trusty: Avoid reaching GCE custom metadata size limit ([#22818](https://github.com/kubernetes/kubernetes/pull/22818), [@andyzheng0831](https://github.com/andyzheng0831))
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* Update kubectl help for 1.2 resources ([#23305](https://github.com/kubernetes/kubernetes/pull/23305), [@janetkuo](https://github.com/janetkuo))
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* Removing URL query param from swagger UI to fix the XSS issue ([#23234](https://github.com/kubernetes/kubernetes/pull/23234), [@nikhiljindal](https://github.com/nikhiljindal))
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* Fix hairpin mode ([#23325](https://github.com/kubernetes/kubernetes/pull/23325), [@MurgaNikolay](https://github.com/MurgaNikolay))
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* Bump to container-vm-v20160321 ([#23313](https://github.com/kubernetes/kubernetes/pull/23313), [@zmerlynn](https://github.com/zmerlynn))
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* Remove the restart-kube-proxy and restart-apiserver functions ([#23180](https://github.com/kubernetes/kubernetes/pull/23180), [@roberthbailey](https://github.com/roberthbailey))
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* Copy annotations back from RS to Deployment on rollback ([#23160](https://github.com/kubernetes/kubernetes/pull/23160), [@janetkuo](https://github.com/janetkuo))
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* Trusty: Support hybrid cluster with nodes on ContainerVM ([#23079](https://github.com/kubernetes/kubernetes/pull/23079), [@andyzheng0831](https://github.com/andyzheng0831))
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* update expose command description to add deployment ([#23246](https://github.com/kubernetes/kubernetes/pull/23246), [@AdoHe](https://github.com/AdoHe))
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* Add a rate limiter to the GCE cloudprovider ([#23019](https://github.com/kubernetes/kubernetes/pull/23019), [@alex-mohr](https://github.com/alex-mohr))
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* Add a Deployment example for kubectl expose. ([#23222](https://github.com/kubernetes/kubernetes/pull/23222), [@madhusudancs](https://github.com/madhusudancs))
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* Use versioned object when computing patch ([#23145](https://github.com/kubernetes/kubernetes/pull/23145), [@liggitt](https://github.com/liggitt))
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* kubelet: send all recevied pods in one update ([#23141](https://github.com/kubernetes/kubernetes/pull/23141), [@yujuhong](https://github.com/yujuhong))
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* Add a SSHKey sync check to the master's healthz (when using SSHTunnels). ([#23167](https://github.com/kubernetes/kubernetes/pull/23167), [@cjcullen](https://github.com/cjcullen))
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* Validate minimum CPU limits to be >= 10m ([#23143](https://github.com/kubernetes/kubernetes/pull/23143), [@vishh](https://github.com/vishh))
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* kubernetes/kubernetes#23034 Fix controller-manager race condition issue which cause endpoints flush during restart ([#23035](https://github.com/kubernetes/kubernetes/pull/23035), [@xinxiaogang](https://github.com/xinxiaogang))
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* MESOS: forward globally declared cadvisor housekeeping flags ([#22974](https://github.com/kubernetes/kubernetes/pull/22974), [@jdef](https://github.com/jdef))
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* Trusty: support developer workflow on base image ([#22960](https://github.com/kubernetes/kubernetes/pull/22960), [@andyzheng0831](https://github.com/andyzheng0831))
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# v1.3.0-alpha.1
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[Documentation](http://kubernetes.github.io) & [Examples](http://releases.k8s.io/HEAD/examples)
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## Downloads
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@ -37,7 +83,7 @@ binary | sha1 hash | md5 hash
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------ | --------- | --------
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[kubernetes.tar.gz](https://storage.googleapis.com/kubernetes-release/release/v1.3.0-alpha.1/kubernetes.tar.gz) | `e0041b08e220a4704ea2ad90a6ec7c8f2120c2d3` | `7bb2df32aea94678f72a8d1f43a12098`
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## Changes since v1.2.0 (last PR #23530)
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## Changes since v1.2.0
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### Action Required
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* update wide option output ([#22772](https://github.com/kubernetes/kubernetes/pull/22772), [@AdoHe](https://github.com/AdoHe))
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* Change scheduler logic from random to round-robin ([#22430](https://github.com/kubernetes/kubernetes/pull/22430), [@gmarek](https://github.com/gmarek))
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# Release Notes for Kubernetes 1.2.0
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# v1.2.0
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## [Documentation](http://kubernetes.github.io) & [Examples](http://releases.k8s.io/release-1.2/examples)
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[Documentation](http://kubernetes.github.io) & [Examples](http://releases.k8s.io/release-1.2/examples)
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## Downloads
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## Changes since v1.1.1
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## Major Themes
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### Major Themes
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* <strong>Significant scale improvements</strong>. Increased cluster scale by 400% to 1000 nodes with 30,000 pods per cluster.
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Kubelet supports 100 pods per node with 4x reduced system overhead.
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<img src="docs/images/newgui.png" width="" alt="Dashboard UI screenshot showing cards that represent applications that run inside a cluster" title="Dashboard UI apps screen">
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## Other notable improvements
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### Other notable improvements
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* Job was Beta in 1.1 and is GA in 1.2 .
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* <code>apiVersion: batch/v1 </code>is now available. You now do not need to specify the <code>.spec.selector</code> field — a [unique selector is automatically generated ](http://kubernetes.io/docs/user-guide/jobs/#pod-selector)for you.
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Volumes (SMB 2.1 and 3.0) into a Pod. See [example](https://github.com/kubernetes/kubernetes/blob/release-1.2/examples/azure_file/README.md) for details.
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* Logs usage and root filesystem usage of a container, volumes usage of a pod and node disk usage are exposed through Kubelet new metrics API.
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## Experimental Features
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### Experimental Features
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* Dynamic Provisioning of PersistentVolumes: Kubernetes previously required all
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volumes to be manually provisioned by a cluster administrator before use. With
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change in future.
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* Kubelet exposes a new Alpha metrics API - /stats/summary in a user friendly format with reduced system overhead. The measurement is done in PR [#22542](https://github.com/kubernetes/kubernetes/pull/22542).
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## Action required
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### Action required
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* Docker v1.9.1 is officially recommended. Docker v1.8.3 and Docker v1.10 are
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supported. If you are using an older release of Docker, please upgrade. Known
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@ -290,7 +336,7 @@ change. More details [here](https://docs.influxdata.com/influxdb/v0.9/administra
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* We have renamed “minions” to “nodes”. If you were specifying NUM\_MINIONS or
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MINION\_SIZE to kube-up, you should now specify NUM\_NODES or NODE\_SIZE.
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## Known Issues
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### Known Issues
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* Paused deployments can't be resized and don't clean up old ReplicaSets.
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* Minimum memory limit is 4MB. This is a docker limitation
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@ -325,9 +371,9 @@ rollout” commands instead, if you want to rolling update Replica Sets.
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* When live upgrading Kubelet to 1.2 without draining the pods running on the node,
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the containers will be restarted by Kubelet (see details in [#23104](https://github.com/kubernetes/kubernetes/issues/23104)).
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### Docker Known Issues
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#### Docker Known Issues
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#### 1.9.1
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##### 1.9.1
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* Listing containers can be slow at times which will affect kubelet performance.
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More information [here](https://github.com/docker/docker/issues/17720)
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completely eliminate the IP allocation issue. More information [here](https://github.com/kubernetes/kubernetes/issues/21523#issuecomment-191498969)
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* Daemon becomes unresponsive (rarely) due to kernel deadlocks. More information [here](https://github.com/kubernetes/kubernetes/issues/21866#issuecomment-189492391)
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## Provider-specific Notes
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### Provider-specific Notes
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### Various
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#### Various
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Core changes:
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* Support for load balancers with source ranges
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### AWS
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#### AWS
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Core changes:
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* Use an elastic IP for the master by default
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* Experimental support for node spot instances (set NODE\_SPOT\_PRICE=0.05)
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### GCE
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#### GCE
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* Ubuntu Trusty support added
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## Changelog
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(Linked [github releases](https://github.com/kubernetes/kubernetes/releases) 1.2.0-beta-1 to 1.1.2 that are part of 1.2.0)
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* [v1.2.0-beta.1](https://github.com/kubernetes/kubernetes/releases/tag/v1.2.0-beta.1)
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* [v1.2.0-beta.0](https://github.com/kubernetes/kubernetes/releases/tag/v1.2.0-beta.0)
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* [v1.2.0-alpha.8](https://github.com/kubernetes/kubernetes/releases/tag/v1.2.0-alpha.8)
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* [v1.2.0-alpha.7](https://github.com/kubernetes/kubernetes/releases/tag/v1.2.0-alpha.7)
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* [v1.2.0-alpha.6](https://github.com/kubernetes/kubernetes/releases/tag/v1.2.0-alpha.6)
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* [v1.2.0-alpha.5](https://github.com/kubernetes/kubernetes/releases/tag/v1.2.0-alpha.5)
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* [v1.2.0-alpha.4](https://github.com/kubernetes/kubernetes/releases/tag/v1.2.0-alpha.4)
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* [v1.1.8](https://github.com/kubernetes/kubernetes/releases/tag/v1.1.8)
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* [v1.1.7](https://github.com/kubernetes/kubernetes/releases/tag/v1.1.7)
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* [v1.1.4](https://github.com/kubernetes/kubernetes/releases/tag/v1.1.4)
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* [v1.1.3](https://github.com/kubernetes/kubernetes/releases/tag/v1.1.3)
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* [v1.1.2](https://github.com/kubernetes/kubernetes/releases/tag/v1.1.2)
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Please see the [Releases Page](https://github.com/kubernetes/kubernetes/releases) for older releases.
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