# 4.9.0-rc.4

Created: 2021-09-27 08:47:28 +0000 UTC

Image Digest: `sha256:d1bf9ef87d8353013e5f7a002ed32a46b1153d846e930c181bcc0d9c74302e7a`

Promoted from registry.ci.openshift.org/ocp/release:4.9.0-0.nightly-2021-09-25-094414


## Changes from 4.9.0-rc.3

### Components

* Kubernetes 1.22.1
* Red Hat Enterprise Linux CoreOS upgraded from 49.84.202109172039-0 to 49.84.202109241334-0


### Rebuilt images without code change

* machine-os-content `sha256:6777b2bc82c1ee965ae7d375ea7cf385db66ac5396fa062c1bfe7089331a49f7`
* [network-tools](https://github.com/openshift/network-tools) git [ed0b846c](https://github.com/openshift/network-tools/commit/ed0b846c056056848f0ab7741bd3f1254e1862d6) `sha256:bf609f3df4dfb2fa756102fb28de1c66182047555672d7e6f5e751177c6bb449`
* [ovn-kubernetes](https://github.com/openshift/ovn-kubernetes) git [100ec238](https://github.com/openshift/ovn-kubernetes/commit/100ec238a99bfb76e497a509085d2ac89c98a177) `sha256:e5bd2658e8f35dd1c0d888715ac8ec736b03a56d7a2023b4ec72ac5f8d749897`


### [baremetal-installer, installer, installer-artifacts](https://github.com/openshift/installer/tree/4adb828b31a7cccbf4dfda8a4b65bfdb91f7e32a)

* [Bug 2007086](https://bugzilla.redhat.com/show_bug.cgi?id=2007086): bump RHCOS boot images for x86_64 only [#5240](https://github.com/openshift/installer/pull/5240)
* Update OWNERS [#5241](https://github.com/openshift/installer/pull/5241)
* [Full changelog](https://github.com/openshift/installer/compare/e82d2ec0dfca51f0cae022a0b730b227b78c4ef8...4adb828b31a7cccbf4dfda8a4b65bfdb91f7e32a)


### [cluster-bootstrap](https://github.com/openshift/cluster-bootstrap/tree/7e074a7d562882d1aeeef071a428d6d4b94cf2d2)

* [Bug 2007324](https://bugzilla.redhat.com/show_bug.cgi?id=2007324): update library-go for hardcoded restmapper [#66](https://github.com/openshift/cluster-bootstrap/pull/66)
* [Full changelog](https://github.com/openshift/cluster-bootstrap/compare/59a4220637bb98b740a18a23f0493ec3899b0a39...7e074a7d562882d1aeeef071a428d6d4b94cf2d2)


### [cluster-etcd-operator](https://github.com/openshift/cluster-etcd-operator/tree/a6820f39dd0f74f6989366b9f0c9faa65896859d)

* OWNERS: add hasbro17 to reviewers [#671](https://github.com/openshift/cluster-etcd-operator/pull/671)
* [Full changelog](https://github.com/openshift/cluster-etcd-operator/compare/7182fb5fc42242ea765bf87cb9d21afd11d4722d...a6820f39dd0f74f6989366b9f0c9faa65896859d)