## Urgent Upgrade Notes

### (No, really, you MUST read this before you upgrade)

#### Cluster Lifecycle

- Container images tar files for `amd64` will now contain the architecture in the RepoTags manifest.json section.
  If you are using docker manifests there are not visible changes. ([#80266](https://github.com/kubernetes/kubernetes/pull/80266), [@javier-b-perez](https://github.com/javier-b-perez))

* Fix failing load balancers in Azure ([#40405](https://github.com/kubernetes/kubernetes/pull/40405), [@codablock](https://github.com/codablock))
* Add a KUBERNETES_NODE_* section to build kubelet/kube-proxy for windows ([#38919](https://github.com/kubernetes/kubernetes/pull/38919), [@brendandburns](https://github.com/brendandburns))

- Kubeadm: add the `imagePullPolicy` field in the `nodeRegistration` section of `InitConfiguration` and `JoinConfiguration` in `v1beta3`. This allows the user to specify the image pull policy during "kubeadm init" and "kubeadm join". The value of this field must be one of `Always`, `IfNotPresent` or `Never`. The default behavior...

### SIG Network

The main milestones for SIG Network this release are the graduation of IPVS-based load balancing and CoreDNS to general availability.

## Known Issues

This section contains a list of known issues reported in Kubernetes 1.8 release. The content is populated via [v1.8.x known issues and FAQ accumulator](https://github.com/kubernetes/kubernetes/issues/53004).

*   Remove the LbaasV1 of OpenStack cloud provider, currently only support LbaasV2. ([#52717](https://github.com/kubernetes/kubernetes/pull/52717),[ @FengyunPan](https://github.com/FengyunPan))

## Known Issues

This section contains a list of known issues reported in Kubernetes 1.9 release. The content is populated from the [v1.9.x known issues and FAQ accumulator] [#57159](https://github.com/kubernetes/kubernetes/issues/57159).

Shim for \"new\" HTML5 structural elements to display correctly (IE10, older browsers)\n// TODO: remove in v5\n// stylelint-disable-next-line selector-list-comma-newline-after\narticle, aside, figcaption, figure, footer, header, hgroup, main, nav, section {\n  display: block;\n}\n\n// Body\n//\n// 1. Remove the margin in all browsers.\n// 2. As a best practice, apply a default `background-color`.\n// 3. Set an explicit initial text-align value so that we can later use\n//    the `inherit` value on...

- Added support for RSA and ECDSA format keys in preflight check on `kubeadm`. ([#112508](https://github.com/kubernetes/kubernetes/pull/112508), [@SataQiu](https://github.com/SataQiu))
- Allowed `Label` section in vSphere e2e cloud provider configuration. ([#112427](https://github.com/kubernetes/kubernetes/pull/112427), [@gnufied](https://github.com/gnufied))

scala.runtime.AbstractFunction1 implements scala.Serializable { public void ConfigurationParser$$anonfun$processRepositoriesC$1(ConfigurationParser); } xsbt/boot/Section.class package xsbt.boot; public final synchronized class Section implements scala.collection.IterableLike { private final String name; public final String name(); public void Section(String); } xsbt/boot/ServerLauncher$$anonfun$serverJvmArgs$3.class package xsbt.boot; public final synchronized class ServerLauncher$$anonfun$serverJvmArgs$3...

- If Openstack LoadBalancer is not defined in cloud config, the loadbalancer will no longer beis not initialized. any more in openstack. All setups must have some setting under that section for the OpenStack provider. ([#65781](https://github.com/kubernetes/kubernetes/pull/65781), [@zetaab](https://github.com/zetaab))

## Deprecations and removals