* While this is a backwards-incompatible change, it would have been impossible to setup reliable monitoring around these metrics since the labels were not stable. 
* Fix keymutex issues which may crash in some platforms. ([#74386](https://github.com/kubernetes/kubernetes/pull/74386), [@danielqsj](https://github.com/danielqsj))



# v1.12.6

[Documentation](https://docs.k8s.io)

## Downloads for v1.12.6

As far as platforms, working with SIG-Windows, enhancements were made to the kubelet to improve platform support on Windows operating systems, and improvements to resource management were also made.  In particular, support for sysctls on Linux graduated to beta.

### SIG OpenStack

---
- job:
    name: elastic+elasticsearch+%BRANCH%+periodic+platform-support
    display-name: "elastic / elasticsearch # %BRANCH% - platform support"
    description: "Testing of the Elasticsearch %BRANCH% branch platform support tests.\n"
    project-type: multijob
    node: master
    vault: []
    scm:
      - git:
          wipe-workspace: false
    builders:
      - multijob:
          name: Packaging tests
          projects:

    display-name: "elastic / elasticsearch # %BRANCH% - windows compatibility"
    description: "Elasticsearch %BRANCH% Windows compatibility testing.\n"
    project-type: matrix
    node: master
    # Use a hard-coded workspace directory to avoid hitting file path limits with auto-generated workspace path
    child-workspace: "C:\\Users\\jenkins\\workspace\\platform-support\\${BUILD_NUMBER}"
    scm:

    * EBS on AWS, and Cinder on OpenStack). In previous versions of Kubernetes
    * a PersistentVolumeClaim without a StorageClass annotation on these cloud
    * platforms would be satisfied by manually-created PersistentVolume objects.
    * Administrators can choose to disable this behavior by deleting the automatically

platform-sh-banner.png...

---
- job:
    name: elastic+elasticsearch+%BRANCH%+multijob+platform-support-unix
    display-name: "elastic / elasticsearch # %BRANCH% - unix compatibility"
    description: "Elasticsearch %BRANCH% unix compatibility testing.\n"
    project-type: matrix
    node: master
    scm:
      - git:
          wipe-workspace: false
    axes:
      - axis:
          type: label-expression
          name: os
          values:

---
- job:
    name: elastic+elasticsearch+%BRANCH%+multijob+platform-support-arm
    display-name: "elastic / elasticsearch # %BRANCH% - arm compatibility"
    description: "Elasticsearch %BRANCH% ARM (aarch64) compatibility testing.\n"
    child-workspace: "/dev/shm/elastic+elasticsearch+%BRANCH%+multijob+platform-support-arm"
    project-type: matrix
    node: master
    scm:
      - git:
          wipe-workspace: false
    axes:
      - axis:

---
jjbb-template: periodic-trigger-lgc.yml
vars:
  - periodic-job: elastic+elasticsearch+%BRANCH%+periodic+platform-support
  - lgc-job: elastic+elasticsearch+%BRANCH%+intake

---
- job:
    name: elastic+elasticsearch+%BRANCH%+multijob+platform-support-darwin
    display-name: "elastic / elasticsearch # %BRANCH% - darwin compatibility"
    description: "Elasticsearch %BRANCH% MacOS compatibility testing.\n"
    node: "macosx && x86_64"
    builders:
      - inject:
          properties-file: '.ci/java-versions.properties'
          properties-content: |
            JAVA_HOME=$HOME/.java/$ES_BUILD_JAVA