As a duck with its eyelids, so he with his nose
    Trims his belt and his buttons, and turns out his toes.'

              [later editions continued as follows
    When the sands are all dry, he is gay as a lark,
    And will talk in contemptuous tones of the Shark,
    But, when the tide rises and sharks are around,
    His voice has a timid and tremulous sound.]

  - [Known Issues](#known-issues)
    - [Summary API in kubelet doesn't have accelerator metrics](#summary-api-in-kubelet-doesnt-have-accelerator-metrics)
  - [Urgent Upgrade Notes](#urgent-upgrade-notes)
    - [(No, really, you MUST read this before you upgrade)](#no-really-you-must-read-this-before-you-upgrade)
  - [Changes by Kind](#changes-by-kind-14)
    - [Deprecation](#deprecation)

    - [Server Binaries](#server-binaries)
    - [Node Binaries](#node-binaries)
    - [Container Images](#container-images)
  - [Changelog since v1.34.0](#changelog-since-v1340)
  - [Urgent Upgrade Notes](#urgent-upgrade-notes)
    - [(No, really, you MUST read this before you upgrade)](#no-really-you-must-read-this-before-you-upgrade)
  - [Changes by Kind](#changes-by-kind)
    - [Deprecation](#deprecation)
    - [API Change](#api-change)

    - [Server Binaries](#server-binaries-7)
    - [Node Binaries](#node-binaries-7)
    - [Container Images](#container-images-7)
  - [Changelog since v1.32.0](#changelog-since-v1320)
  - [Urgent Upgrade Notes](#urgent-upgrade-notes)
    - [(No, really, you MUST read this before you upgrade)](#no-really-you-must-read-this-before-you-upgrade)
  - [Changes by Kind](#changes-by-kind-7)
    - [Deprecation](#deprecation)

    - [Simplified Multi-point plugin configuration for scheduler](#simplified-multi-point-plugin-configuration-for-scheduler)
    - [CSI Migration updates](#csi-migration-updates)
  - [Urgent Upgrade Notes](#urgent-upgrade-notes)
    - [(No, really, you MUST read this before you upgrade)](#no-really-you-must-read-this-before-you-upgrade)
  - [Known Issues](#known-issues)
    - [Etcd v3.5.[0-2] data corruption](#etcd-v350-2-data-corruption)

    - [Server Binaries](#server-binaries-10)
    - [Node Binaries](#node-binaries-10)
- [Kubernetes v1.14 Release Notes](#kubernetes-v114-release-notes)
  - [1.14 What’s New](#114-whats-new)
  - [Known Issues](#known-issues-1)
  - [Urgent Upgrade Notes](#urgent-upgrade-notes)
    - [(No, really, you MUST read this before you upgrade)](#no-really-you-must-read-this-before-you-upgrade)
  - [Deprecations](#deprecations)

    - [Server Binaries](#server-binaries-14)
    - [Node Binaries](#node-binaries-14)
    - [Container Images](#container-images-14)
  - [Changelog since v1.30.0](#changelog-since-v1300)
  - [Urgent Upgrade Notes](#urgent-upgrade-notes)
    - [(No, really, you MUST read this before you upgrade)](#no-really-you-must-read-this-before-you-upgrade)
  - [Changes by Kind](#changes-by-kind-14)
    - [Deprecation](#deprecation-1)

  - [Downloads for v1.15.0](#downloads-for-v1150)
    - [Client Binaries](#client-binaries-12)
    - [Server Binaries](#server-binaries-12)
    - [Node Binaries](#node-binaries-12)
- [Kubernetes v1.15 Release Notes](#kubernetes-v115-release-notes)
  - [1.15 What’s New](#115-what’s-new)
    - [Continuous Improvement](#continuous-improvement)
    - [Extensibility](#extensibility)

  - [Changelog since v1.11.0](#changelog-since-v1110)
    - [Action Required](#action-required-5)
    - [Other notable changes](#other-notable-changes-16)
<!-- END MUNGE: GENERATED_TOC -->

<!-- NEW RELEASE NOTES ENTRY -->


# v1.12.10

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

## Downloads for v1.12.10


filename | sha512 hash
-------- | -----------

			return trw.headerWritten
		} else if uw, ok := w.(unwrapper); ok {
			w = uw.Unwrap()
		} else {
			return false
		}
	}
}

// trackingResponseWriter wraps a ResponseWriter and notes when WriterHeader has
// been called. This allows high level request handlers to check if something
// has already sent the header.
type trackingResponseWriter struct {
	http.ResponseWriter
	headerWritten bool