4.21.0-0.nightly-s390x-2026-06-04-070738

Download the installer for your operating system or run

oc adm release extract --tools registry.ci.openshift.org/ocp-s390x/release-s390x:4.21.0-0.nightly-s390x-2026-06-04-070738

Team Approvals:

No tests for this release

Loading changelog, this may take a while ...

Changes from 4.21.0-0.nightly-s390x-2026-06-18-024254

Created: 2026-06-04 07:08:55 +0000 UTC

Image Digest: sha256:07a30a55a38777400a21cc9a8135655feb0e252e15dafc207361f3cb0d2ad016

Components

Kubectl 1.34.1
Kubernetes 1.34.8
Kubernetes Tests 1.34.1
Red Hat Enterprise Linux CoreOS 10.2.20260521-0

The CoreOS links above are for the base CoreOS layer used to build the OpenShift node image and do not contain OpenShift components. This is normally only useful to devs working closely with the CoreOS team. For info about the node image, see the Node Image Info section.

FeatureGate Changes

FeatureGate	Default Hypershift	Default SelfManagedHA	DevPreviewNoUpgrade Hypershift	DevPreviewNoUpgrade SelfManagedHA	TechPreviewNoUpgrade Hypershift	TechPreviewNoUpgrade SelfManagedHA
GatewayAPIWithoutOLM (0 tests)	Disabled	Disabled	Disabled (Changed)	Disabled (Changed)	Disabled (Changed)	Disabled (Changed)

Rebuilt images without code change

agent-installer-csr-approver git 070f654b sha256:40057bdf2ccecdcc5eb3d51f0a858bcf56aac751745d830be493e469c20f9bd2
agent-installer-orchestrator git 070f654b sha256:83d496df3ecd9b7ee9a57636ce189f981521c44515310e359aa80cf3462d5515
agent-installer-utils git dc0bd090 sha256:34bb9d0a8b3d9d3f3e14e2da5df63c866c7958778cbedeaf99297e6a2b362ddb
apiserver-network-proxy git 35ba137a sha256:01763e559511ec33b4f7d9f18dbbc770ce8e9d62e97284cb924b8c29fda7954b
aws-karpenter-provider-aws git ff9c8d4e sha256:eafe6235017eb45baeeaa139d9b709b09a437129372a5045cc8895b28145a58d
aws-kms-encryption-provider git 887615ff sha256:3c64e822e5aeb9d63ca880a8143e9bff6b76dd9dc5edbbe8cf43cc5be3a46995
azure-kms-encryption-provider git 21e0a215 sha256:131d96dbd856b26ea4807801112662a1180bf78921a4e05edbfaeb7f68028be5
azure-service-operator git 5e84c831 sha256:c615e4cac78f1f2b13493a591ecdad03a6cc006c311453c14fc8f6746a68c288
baremetal-cluster-api-controllers git 659138fe sha256:e4a149881bff6d199b6b46b24476fb5f09b3d7c2d5f113e7183c5011ddb9f3ba
baremetal-machine-controllers git 4e6a729c sha256:27b2848aaab846555b438d4cd2acc2bfbb605abeb382aba9ec7b60d93de1cc0d
baremetal-operator git 0aeba7af sha256:66186279061b3b43390fb9d93e0caf0dbf59891568611e8a7c3e0ad4c994c0fa
baremetal-runtimecfg git d7e3fc12 sha256:feb69b19a23efed4708b883670ff7bf632a98d58f8290a1d6d3bc504424e2128
cli git fdf8daba sha256:ca3b5ac347423af6140f8f817ea475975da761213e41f48cabf64a1f030005fb
cli-artifacts git fdf8daba sha256:71c0d96e658cebc82a05077849288f0a993d0b81551c330843e8bb495499fa4c
cloud-credential-operator git 154ae10f sha256:99a40997e0b7679cdfe0abf988a9e315fad837a8933a68d136ca306d177f4928
cloud-network-config-controller git 57db2d05 sha256:5fb6ca2d3dceb1e0d963d4916b417c0e15a720b016cfaa3f24ac3cd19d12438b
cluster-authentication-operator git 65eb4b21 sha256:ba38a2bec5ba9d9cbaac22550e51827e68cf8f8d6c53fea0bf2a8b17662eec7a
cluster-autoscaler git 838a5957 sha256:899dbdf66393a7fafeb6e32ff8583ed06ba3c4deab002f9446572a72b4ace85b
cluster-autoscaler-operator git dec12ba6 sha256:e2b818584a887cea002a561750a2ca14ebada9cedeefe3cbb7ea16617db69167
cluster-baremetal-operator git 18e163a4 sha256:152f47b5d94c917158a27bd2fcd71d9faf320e25e74a63cf2b1940ada4adc186
cluster-bootstrap git dc0d4a5c sha256:40f986374bd446fb38b2d17d28e75bc3990c9a455e186fb59de5eb959caa55f9
cluster-capi-controllers git 9dd5eba0 sha256:0fc69462721246d2e44c87fc082d4247b4e8fb4b9b14c675e419ea0ee032917e
cluster-capi-operator git f9513d32 sha256:ebb72f608452e3598e9c3696e9d6657cff4c406cb2f2bdafd95eb20155c82e46
cluster-cloud-controller-manager-operator git 6148c0cc sha256:e014ca480cf778f4993f9bb68508afba504a6944254480943ac8e6b9b1774286
cluster-config-operator git 1eb450a3 sha256:a5ce5b33b593104b69e92a7edde24c014f337f2f8b4ae43f3a01c77fa6560ba9
cluster-control-plane-machine-set-operator git 2dde33fb sha256:4fb421bcca0a62e07841e1fb842f524ad2ecd3afff1d33b00160d578a81c0267
cluster-csi-snapshot-controller-operator git 8c1ebc60 sha256:2fb0db5523e9857695c118323d822f0180e29a637d1effbc962a6fd17286f33f
cluster-dns-operator git 41a53fed sha256:be3323efcad95f3cbdbd6f2888d8ad900cee7de44a0d2e43f94aa16a955ad50a
cluster-etcd-operator git 898d6bd9 sha256:73b7377e9b32fb9e7d3a5816c1be32cd8f7bb647a4a209beab6c02025bead34b
cluster-image-registry-operator git b2dfc3bb sha256:3d939c003c96b9502ba6ac02406af3f4233ad9635db561dfc401de6029cbc228
cluster-kube-apiserver-operator git 424f27c9 sha256:8ef7dc5e88fdb4f3adef4d6bdc3ea11aefc6fb9caebde7e6ee40d90474703268
cluster-kube-controller-manager-operator git 395de967 sha256:ecfce7e34f758d80885524d653d78edd14302dd39ed4fe039782b649730325e3
cluster-kube-scheduler-operator git 5ef1df3b sha256:885815ec13c38590fc1d077d78e30f454b59f9638c4c14907f4a9988e3a4d516
cluster-kube-storage-version-migrator-operator git 8a42beeb sha256:b638386a0cec6bc292376065d858ff1a7ee4382c792ac15794dec8192745b78d
cluster-machine-approver git d864813c sha256:16a5685dd9668090ef90d3cd96c2d6e8a7390c2427f5a521d8082c7452acddd0
cluster-network-operator git b5955e9e sha256:0d8cac7c2ae7f07f2e4748eec7d25b26719b749421ea5efcc4e33650e29e2496
cluster-node-tuning-operator git 898663be sha256:41965827daffb80e5afd9049ffe87d086b0644fc1cd5291ae6bc9404d27e2af9
cluster-olm-operator git 03bedb91 sha256:290f2f3de351ada5e9f537a880870070915dfb57757c8a9bc035355a930f0796
cluster-openshift-apiserver-operator git 52fd1773 sha256:04279953d3f90bc62166a3c8d96a680ff7f79248bb4086c68bc4294aab04cba2
cluster-openshift-controller-manager-operator git 2617a201 sha256:3061f10d3c039439e74411b53bbb9b99a85d863c1020d44785e1ef5b742dc3c1
cluster-policy-controller git 8b775487 sha256:5b3f0a563aef83f3b4a7b71476b2bc1f7134ce9f681b839eb716bd139688952b
cluster-samples-operator git 11ed1942 sha256:6a2e683d2325dbcff1fb08ebcf6200b41ae4dfc1db2f2bee5f18a9cec826af2e
cluster-storage-operator git e4034751 sha256:77e07e386f3ebf436dd93e449b9111a85e518238e6bd671298eff46f41547251
cluster-update-keys git b3cae8f2 sha256:19a46797a757c46f30c1af9b9af01d3831ddcb6d132dbebaf7056246ec320a1a
cluster-version-operator git d37e5a05 sha256:b635805c7fde61d0d08dafc271883552082e37b0d0b6817fa183c898d110216d
configmap-reloader git 16114b8d sha256:699142d033a4dcc917131cc16174dc16591e324a461978b7d72d606eb17f197a
console-operator git aee1a79b sha256:062b80b26ef1bf86e41f6717ae557f4dc5ef65a85ce6cdf5ec58b783db540794
container-networking-plugins git 747ad66c sha256:21ef879c8605598e8ab3a3ad8f91bbd40f5ce9c5d51349d1ead5d8f6c8a27d50
containernetworking-plugins-microshift git 747ad66c sha256:708aafff24a8b5554a34d97b35fcc3960aec93e1ec5be6746623c17c2edc3d2c
coredns git 7486e9e4 sha256:44a1cb16de03d46a17023c4ec34aaba52903aa620ee48829095dc1877de2098b
csi-external-attacher git 6a3be10e sha256:28a676ee0bf71d8321c1ee8ff227bf149435a08bde8a1cad88f72a1fc29d5a00
csi-external-provisioner git ac55db6f sha256:ac38707c4656c0c9bbbb1f6634a4534cdc6b130943fa341d2871c46552342482
csi-external-resizer git d880a1ec sha256:156884d42d5563646b7db4fb93b8d736dbd43eb59486f330c11754f11235fd8a
csi-external-snapshot-metadata git af250fdb sha256:1d1decd7a04574447abca78ce6d72f6e3f377dda62dfc6491f01de8dd90d5217
csi-external-snapshotter git 7503ea30 sha256:dc6ba721c1bd20fc4215c6b167b277d6ecedb1990a83cb3bc49fa8b97a26e566
csi-livenessprobe git 78dacb7c sha256:bcf8cfe70f62b7c8881b3034e8f50ca91b95105a53e6afaece27b6ebc663baba
csi-node-driver-registrar git d29f3f7a sha256:a01078af920841464d2a63afe5b587f1616ba272c0a318d5acd0ff092cb49f08
csi-snapshot-controller git 7503ea30 sha256:2ac7af62d0f1fd5f526ad962c16723363075793baa158f3cec5d8b459eb9d2c8
deployer git fdf8daba sha256:077f47c1600209beee84c795ed66d2fca8cfa51dfae3b1655d2c3b5bcdac18da
docker-builder git 48fce231 sha256:5f73358e7ec535ac48e543ceac15754782dbd416ab705ceb5303b3ac7910c643
docker-registry git 602f51c7 sha256:4e5522f0498b93ded8d317ff27eb8039df4699c5f353b2761ac94a5c5af8bcb7
driver-toolkit git f0ae9d12 sha256:92b82f0b125bc503b4fd8c2a1b45b2d61fb7e09cad625a34a97640c9b3e4a677
egress-router-cni git 5e0f8d1b sha256:132df2044bcef27893d195cd2c670ff4a6ae70b35440a66fbfeec6b2ab455811
etcd git 806f690e sha256:7f4c64ed454d18d4a2eb694453181ab85d0923a90fa6efed6fc202669e9b79a7
gcp-workload-identity-federation-webhook git d481e5cb sha256:0e6f9b9ce354e1361686bf555e1bd74283c563599d036de78b9b77638394d7c8
ibm-cloud-controller-manager git c566572b sha256:a51b009e311def77629aed38477be4de8b8ba3abc3d9e4f0cbe2d8e8f3cfd6d9
ibm-vpc-block-csi-driver git f0baa47e sha256:a3d834f13290023f66823bd0ab7ff77e1446061074215c032ad36fba87d80336
ibm-vpc-block-csi-driver-operator git 00bc7407 sha256:51184744ba94f5a6fb7ba16a9c36d22192081976b9159e7e44556d007e71ec67
ibmcloud-cluster-api-controllers git f7e3ec30 sha256:e9eaffc933e33448e6786a8a46077f5185127f95ee15b200b7b474522d4fa6ff
ibmcloud-machine-controllers git f80ea321 sha256:62cfa909fc41a73d122a5b8eac8dd8a6d4001a8d90cbefa66647d4ed3b4f07a9
insights-runtime-exporter git 8c41cb86 sha256:72c4e0b9329ec83a9ea903db8a8ba557dfba1626f013deea4b08f5b9540bc41c
insights-runtime-extractor git 8c41cb86 sha256:01d846b8c82d7298ed0d3a97bb3242516bf72e67deb84a4eaed37179e0278794
keepalived-ipfailover git e00f5806 sha256:c3b03db92901352ab4a48689dc8c55ffabca4d3ba6adc9e34ee07d471415e23f
kube-metrics-server git ff4f3e2a sha256:36325dc6440e5d1dcef8adb74cde956583ff43e07fc69560f9a068092ed5fd7d
kube-rbac-proxy git cd636680 sha256:c95ea1b18a30e151b215b647798a97e82b3e64fdd780b7876cfdc7837346cf7b
kube-state-metrics git 0efd2f82 sha256:cffe561e38c93d00aa21d98189364fccc1635ec258130ac61b7a46e58f9e7afe
kube-storage-version-migrator git ce5ff17e sha256:5fcf0c6068d12eb2cd26c290e4e0adf7a33ffb2e044eda27add2f00a51194989
kubevirt-cloud-controller-manager git 1e6fdd66 sha256:9d9ccfba96e82c4e6530e4fd32f1694915fb9206e47c3cd6601bfa7f1a9d4e75
kubevirt-csi-driver git 4bb70e49 sha256:0cd17b59a84ee9f765db0c6db51dea90ab694c9fe308b8ef746b104dab0681a4
machine-api-operator git 88f39dc9 sha256:d42c201a463fc66ebae50a9928df6edb670d657a56b26796c966df081ab36136
metallb-frr git c82bfaad sha256:c317d9ff76f0eda245f95408fb853707d0b98cc05c905a2511234f215712da89
multus-admission-controller git d95feb67 sha256:4b6a3b3f2bd3fb175177dda3d8916bd7b72b0ee0bd2f6fac5118485d25fa60eb
multus-cni git 4f696e72 sha256:5fb5b632bc985fd779343640f9d68167e14a05033ec211f1c33eb1a777f1d366
multus-cni-microshift git 4f696e72 sha256:7f2d2a6e2f292c1b21d220e866c8fa69bd303514070a286dc9e002d7b053bbce
multus-networkpolicy git e9f2f3c7 sha256:777e1fcd2d48de08b29a12a6ba7a5768c863b94deca8f61702765dfd0bb3484c
multus-route-override-cni git 08af4127 sha256:ef70d0c7ab432b86accd0c70316e1656305221844bf9bc926e65eb4045164809
multus-whereabouts-ipam-cni git d691040e sha256:18ebbe839af4736e79d845f62805cad0cfb3116c4a6d328b8139c4859050012a
must-gather git eeb267f4 sha256:618f693f10646e6b545b16c489e500925a49b7b29647fb5800763c6441839710
network-interface-bond-cni git 297eeb43 sha256:9d59543201f28e6f9b070a9352079f1ac75afac5f4ca055ddaa72b5c58665e4e
network-metrics-daemon git 844fa588 sha256:88c63a4fe7789e7c3de6041c035a28bdf5b0e795cb612e765f0e37e5b3997e63
network-tools git d6717e45 sha256:01c93ea73498d4c6668905d83b677cdcddaa865f0595acac77ab4f31aa4159d1
oauth-apiserver git 71c41b2d sha256:6ddee0541e3f7cd88101d1ea3c2320b66a335c657d3f445f65ecb70953f78c34
oauth-proxy git 7f518c02 sha256:069847f261f20b39286c0d8db44bff767751811425adfda8d5ff7f146a0b40e8
oc-mirror git f9812811 sha256:45ea19724aa7967a14afb26cf1b0a8973a47e80ba473779631d248e522e11d02
olm-catalogd git 834ed2c3 sha256:b2d61c920f927598ef32c0698080e44f4ebd55cf3d6f715a7947d69551208e62
olm-operator-controller git 834ed2c3 sha256:2e984d9df24bc1f7149978d7c02de81fb077e2f1217835e6feab1215553ef6c4
openshift-controller-manager git 438d52e7 sha256:42eaa7511068f498ea9536240c236f5757207e4e89fc10b466e2a5c588584fb6
openshift-state-metrics git ab605a4b sha256:099a82b4624025938924d184d02ad3b90a9cd69fda07df4681e747244a869b1d
openstack-cinder-csi-driver git ee321fbd sha256:482c6f0655c6e0e499d1ddb7ee131be31911d111efa354a39f93b5d855246832
openstack-cinder-csi-driver-operator git 20bb13fa sha256:a59f8582b3a0d59fd8b6cbf9a36c44d40e5b7a7c86730921ec4871a7c8939619
openstack-cloud-controller-manager git ee321fbd sha256:e3022f8dead3b82cc49fbb1e3aa188c8174accd8c8945ea5fe43ca621690a5ac
openstack-cluster-api-controllers git f4f439d4 sha256:49017efcae5b5546f6b8a50a31244464e29707def13002348d93fc4f509e01fa
openstack-machine-api-provider git b1fdb10f sha256:e8be865598fef0acc0bcdb74bb462cb574c7ce4b1283cf8c7d52fb03a60b945d
openstack-resource-controller git 70f5ad34 sha256:a9de7396f90c2872cd4239fbdfbb136571ddcfd7b3088a64d0f049caf5b56794
operator-framework-tools git 149d553b sha256:24de42e4b15c53b95da87ccc1fc53e13142fee16a06f3a5353aad7dcd46a801b
operator-lifecycle-manager git 149d553b sha256:c8cedaac94417542b8d8a4083f11fb3723e3bca8e688ef46b3a8127b0b41bff2
operator-marketplace git efb1a1ea sha256:3a75bbf4c471ae8a3d4170d5fbc99110cf086644dfed0919f5ab1f638f78fd9e
operator-registry git 149d553b sha256:9019bc593c1fb636de9c7e737ab7aa4785b7c81a10c4b9e36defdfde4c3e36f4
ovn-kubernetes git d586f851 sha256:12edcbf2d3260d048723cfd233517e98d29c971bb4304860762b565ad22068dd
ovn-kubernetes-microshift git d586f851 sha256:4e4b1eac3ca2bc371838d489fb8477cfb16b4850bceb86f34c4b5dee33b2cf48
prom-label-proxy git 610c11b5 sha256:51d4da5ea3ead633fd2d11156f823e683da2f60da3c74863fad8567fd10ea816
prometheus git 77d32a19 sha256:284cf049fec61baf8bd113703c9cbb8373511328b92a3da098d35c200ade6f39
prometheus-alertmanager git 3dbe0b64 sha256:94e12a23cba371d6c887e0d5b6f7d411cf8e578382ba2c49d096895a3e06c94d
prometheus-config-reloader git 3de9763f sha256:aac992f3359e27bba92b26f6d7e4b62f884a2f861aa862ca4824d3dd43329e17
prometheus-node-exporter git 39d72873 sha256:926913d1ba0024858e61c0adef158ca57336baa5cf55e4b47461b5a9699b1414
prometheus-operator git 3de9763f sha256:266e81a5d445dcc8b872f495390f2b8a64ce1bbc4f39c4580386cb42d29a4a7f
prometheus-operator-admission-webhook git 3de9763f sha256:bcaa451072fdfbe4419ff0cf55678923f906bb0cc2c3fe0d1c15eed9116b2d32
rhel-coreos git 10f1a2e7 sha256:afc2f82572e22e1a48773a1629739d5e0029ba1553a7c91697dae1f108fb6604
rhel-coreos-10 git 10f1a2e7 sha256:d411e985d1cc0b5899cbbff6af91ff15a55094ee3b0edcdc656543e9a37c1f8f
rhel-coreos-10-extensions git 10f1a2e7 sha256:2ad60c10ffba49b9e81e0e95b5b424b3fcd05d31fa31921259fb9853713f1f2a
rhel-coreos-extensions git 10f1a2e7 sha256:051b8207c36fefe727b7a46d6fb7b8cac5cd394a9edfacd8ae4e45f8fe8563c3
route-controller-manager git 166a3e96 sha256:c5bf35d33f0f5b47b4302982f2b125d159120997956b50a7458c9dac6aa94528
service-ca-operator git e9622ba1 sha256:93363b152bf871b3d8de88263f4694bf1294d4123f929c3ed9501d4e4d9b4e7d
telemeter git b79b872a sha256:49c10a95b56aae72385eebded6c91f4bb3c43e9b6ea3db61854e792b18d8549c
thanos git afeb1c85 sha256:2c2ea93a3d73f68ec20e8ad49674c3ed5f54aa4c4d934297a0cef5336ba297f5
tools git fdf8daba sha256:5cde7955ee7e2dd633b77e36434e9fb4d44a92992078c7c448c15fac98f32d3c
volume-data-source-validator git 8b929332 sha256:8da9046af7176d368b646126e72c581b435e3096e4986745fcba8f43605167ab

Node Image Info

Loading node image info, this may take a while ...

Unable to show node image info: too many concurrent oc adm release info --rpmdb/--rpmdb-diff operations (limit 16)

View changelog in Markdown or change previous release:

Source code for this page located on github