- [Client Binaries](#client-binaries-15)
    - [Server Binaries](#server-binaries-15)
    - [Node Binaries](#node-binaries-15)
  - [Changelog since v1.8.0](#changelog-since-v180)
    - [Action Required](#action-required-6)
    - [Other notable changes](#other-notable-changes-14)
- [v1.9.0-alpha.1](#v190-alpha1)
  - [Downloads for v1.9.0-alpha.1](#downloads-for-v190-alpha1)

  - [Changelog since v1.8.0](#changelog-since-v180)
    - [Action Required](#action-required-2)
    - [Other notable changes](#other-notable-changes-14)
- [v1.8.0](#v180)
  - [Downloads for v1.8.0](#downloads-for-v180)
    - [Client Binaries](#client-binaries-15)
    - [Server Binaries](#server-binaries-15)
    - [Node Binaries](#node-binaries-15)
  - [Introduction to v1.8.0](#introduction-to-v180)
  - [Major Themes](#major-themes)

- If container fails because ContainerCannotRun, do not utilize the FallbackToLogsOnError TerminationMessagePolicy, as it masks more useful logs. ([#81280](https://github.com/kubernetes/kubernetes/pull/81280), [@yqwang-ms](https://github.com/yqwang-ms))

#### kubectl:

- Kubelet now exposes `/debug/flags/v` to allow dynamically setting glog logging level.  For example, to change glog level to 3, you only have to send a PUT request like `curl -X PUT http://127.0.0.1:8080/debug/flags/v -d "3"`. ([#64601](https://github.com/kubernetes/kubernetes/pull/64601), [@hzxuzhonghu](https://github.com/hzxuzhonghu))

### SIG OpenStack

* Exposed `/debug/flags/v` to allow dynamically set glog logging level.  For example, to change glog level to 3, send a PUT request such as `curl -X PUT http://127.0.0.1:8080/debug/flags/v -d "3"`. ([#63777](https://github.com/kubernetes/kubernetes/pull/63777), [@hzxuzhonghu](https://github.com/hzxuzhonghu))

* Kubernetes server components using `kubeconfig` files no longer default to `http://localhost:8080`.  Administrators must specify a server value in their kubeconfig files. ([#30808](https://github.com/kubernetes/kubernetes/pull/30808), [@smarterclayton](https://github.com/smarterclayton))

* Use PostFilter instead of Postfilter in the scheduling framework ([#81800](https://github.com/kubernetes/kubernetes/pull/81800), [@draveness](https://github.com/draveness))
    * Use PreFilter instead of Prefilter in the scheduling framework
    * Use PreBind instead of Prebind in the scheduling framework

- Added a path `/header?key=` to `agnhost netexec` allowing one to view what the header value is of the incoming request.

  Ex:
  ```
  $ curl -H "X-Forwarded-For: something" 172.17.0.2:8080/header?key=X-Forwarded-For
  something
  ```
   ([#107796](https://github.com/kubernetes/kubernetes/pull/107796), [@alexanderConstantinescu](https://github.com/alexanderConstantinescu))

not setting the flag, no action is necessary. ([#88290](https://github.com/kubernetes/kubernetes/pull/88290), [@tallclair](https://github.com/tallclair)) [SIG API Machinery and Node]

- `kubectl` no longer defaults to `http://localhost:8080`.  If you own one of these legacy clusters, you are *strongly- encouraged to secure your server.   If you cannot secure your server, you can set `KUBERNETES_MASTER` if you were relying on that behavior and you're client-go user. Set `--server`, `--kubeconfig`...