- Containers which specify a `startupProbe` but not a `readinessProbe` were previously considered "ready" before the `startupProbe` completed, but are now considered "not-ready". ([#92196](https://github.com/kubernetes/kubernetes/pull/92196), [@thockin](https://github.com/thockin)) [SIG Node]

    - [Node binaries](#node-binaries-7)
  - [Changelog since v1.17.8](#changelog-since-v1178)
  - [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-8)
    - [Bug or Regression](#bug-or-regression-7)
  - [Dependencies](#dependencies-8)
    - [Added](#added-8)

- Renamed some metrics related to CoreDNS, see the [README](https://github.com/coredns/coredns/blob/v1.11.0/plugin/forward/README.md#metrics) for `v1.11.0` of CoreDNS. ([#129232](https://github.com/kubernetes/kubernetes/pull/129232), [@DamianSawicki](https://github.com/DamianSawicki))

kubernetes/enhancements: [#564](https://github.com/kubernetes/enhancements/issues/564)  [[kep](https://github.com/kubernetes/enhancements/blob/master/keps/sig-scheduling/268-priority-preemption/README.md)]

Pod Ready++ ([#580](https://github.com/kubernetes/enhancements/issues/580))

- Introduces extension point for external feedback on pod readiness.

  - [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-16)
    - [Deprecation](#deprecation)
    - [API Change](#api-change-5)
    - [Feature](#feature-14)

[<a href="#Go_1.18">Go 1.18</a>].
</p>

<pre>
type Reader interface {
	Read(p []byte) (n int, err error)
	Close() error
}

type Writer interface {
	Write(p []byte) (n int, err error)
	Close() error
}

// ReadWriter's methods are Read, Write, and Close.
type ReadWriter interface {
	Reader  // includes methods of Reader in ReadWriter's method set

- The e2e suite can be instructed not to wait for pods in kube-system to be ready or for all nodes to be ready by passing `--allowed-not-ready-nodes=-1` when invoking the...

// racing : Premier Registry Limited
// https://www.iana.org/domains/root/db/racing.html
racing

// radio : European Broadcasting Union (EBU)
// https://www.iana.org/domains/root/db/radio.html
radio

// read : Amazon Registry Services, Inc.
// https://www.iana.org/domains/root/db/read.html
read

// realestate : dotRealEstate LLC
// https://www.iana.org/domains/root/db/realestate.html
realestate

pkg html/template, method (*Template) ParseFS(fs.FS, ...string) (*Template, error)
pkg io, func NopCloser(Reader) ReadCloser
pkg io, func ReadAll(Reader) ([]uint8, error)
pkg io, type ReadSeekCloser interface { Close, Read, Seek }
pkg io, type ReadSeekCloser interface, Close() error
pkg io, type ReadSeekCloser interface, Read([]uint8) (int, error)
pkg io, type ReadSeekCloser interface, Seek(int64, int) (int64, error)

- Fixed a bug in the JSON frame reader that could cause it to retain a reference to the underlying array of the byte slice passed to read. ([#123620](https://github.com/kubernetes/kubernetes/pull/123620), [@benluddy](https://github.com/benluddy))