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Download installer and client with:

oc adm release extract --tools quay.io/okd/scos-release:4.21.0-okd-scos.7

Team Approvals:

Tests:

• Blocking jobs
  • upgrade Succeeded (1 retries) release-openshift-okd-scos-installer-e2e-aws-upgrade-from-scos-stable
  • upgrade-minor Succeeded release-openshift-okd-scos-installer-e2e-aws-upgrade-from-scos-stable

Upgrades from:

• 4.21.0-okd-scos.ec.19 (changes) - Failed Success
• 4.21.0-okd-scos.6 (changes) - Pending
• 4.21.0-okd-scos.5 (changes) - Pending
• 4.21.0-okd-scos.4 (changes) - Pending
• 4.21.0-okd-scos.3 (changes) - Pending
• 4.21.0-okd-scos.2 - Pending
• 4.21.0-okd-scos.1 (changes) - Pending
• 4.20.0-okd-scos.17 (changes) - Success

---

Changes from 4.21.0-okd-scos.2

Created: 2026-02-23 05:30:37 +0000 UTC

Image Digest: sha256:92d3f6d8c948ac41958f7613d48a52c7218a5a2ac2c3cb09e6ceb59b8fbb2894

Release 4.21.0-okd-scos.7 was created from registry.ci.openshift.org/origin/release-scos:4.21.0-0.okd-scos-nightly-2026-02-18-051137

Components

• Kubectl 1.34.1
• Kubernetes 1.34.2
• Kubernetes Tests 1.34.1
• CentOS Stream CoreOS 10 upgraded from 10.0.20260113-0 to 10.0.20260211-0

Removed images

• cluster-kube-cluster-api-operator
• installer-altinfra
• installer-etcd-artifacts
• installer-kube-apiserver-artifacts

Rebuilt images without code change

• agent-installer-csr-approver git 79093911 sha256:48caf9b0481fcfbb44855050e82074d0e5bb1f6593dfc61e570c3bcb2d47852a
• agent-installer-node-agent git e5713826 sha256:468c71953778a54ba98b3b7f688ebfdb5b90835fc9b762097d883c14aab197e1
• agent-installer-orchestrator git 79093911 sha256:bdbb77d033d5819bda806fc24ad3c4e7da48ac12972fc78a8d3f13bfc470f349
• agent-installer-ui git 479a68f3 sha256:291c081bf2b57d39e6151755a754fd0613d8e542a1887abcdfb97332c7258f27
• apiserver-network-proxy git 35ba137a sha256:d75873b789426d8224fb6fe7937fb4ea4fd478e7482b99b5e89bf246e3126e30
• aws-cloud-controller-manager git 3365bc9c sha256:eb88f00fb555358efd308e260323635ace1be0a20abd55f6c8cf672b53bca10e
• aws-cluster-api-controllers git 10ceef5e sha256:b6832a86ac4735dd6f10a87850aab34d25c7b29ef7d76417b389652002011604
• aws-ebs-csi-driver git 57eebffc sha256:b3e5d3c2724aa7a2566f28c69593eb4d84812c862530897ddfdbdd57b251011c
• aws-ebs-csi-driver-operator git d3789c52 sha256:aab9b74826eaa7acfb9aa5ed4cb574d7c6409f507c92567e1b3293588011678d
• aws-karpenter-provider-aws git ff9c8d4e sha256:c3b52e640bab8aab6d0d1f0043ea6eab9d48f6b22636eb872bd700676856ec3a
• aws-kms-encryption-provider git 19e7b623 sha256:2585225f80b243369f3c574439485b62cb6c1e57b369299be1e8129acd8162df
• aws-machine-controllers git 938565c9 sha256:373461971cbb56cb91c44e208f4c6d94d3c8e6b5f3a5d16acad0d69d4f7bb44e
• aws-pod-identity-webhook git 5cd42ed1 sha256:4bb0c8a1daad91c355b5a350cd2e1b708ab93027dab644f0e5fbd4d0504238a4
• azure-disk-csi-driver-operator git d3789c52 sha256:ad32e866056ba3a065da6f6beb6de4801157072f4363c83495c334962ffdddd3
• azure-file-csi-driver git c77d75f9 sha256:6ab998ccd57ed5a1abff0c7d77344525b90ea1aed7befe80ba64ea6f24b2cb7f
• azure-file-csi-driver-operator git d3789c52 sha256:eb9cd8c652ea18bc840d1967a83721e20093f4ebf055125d679fe9adcffff9b6
• azure-machine-controllers git b8b8cb1c sha256:64c1f50dcc756b18b3d304c11b3823dd50af6187ae64a473885e24b03bd569f4
• azure-service-operator git 17e57462 sha256:197f6f77379c50d7133a9fdde7dfd4ead825c49a15473691176ce4b24c64fd5d
• azure-workload-identity-webhook git 3f2a6e0d sha256:70e6780b7cd474abf60eeb54485a825067ef6eaa98217e56c2ec6facc641ae5b
• baremetal-machine-controllers git 4e6a729c sha256:80f74ed192026728bdcfe23f539267b0a6e9037b1a28444de73184f70e504883
• baremetal-runtimecfg git 8404689e sha256:14d1bc83fa83bfb2403d7541cf01dcd2712ff1251bde994aee8fa4996eba44c0
• cli git 19a2243f sha256:0a2448ecc3d3ff5a8614b723a8a708203c31b93a8bbaef9b7a5b074ca53f2b13
• cli-artifacts git 19a2243f sha256:4c50091907e90e49fb388a0693f7b614a54b25fd081a77dea4795a35a36b45a6
• cloud-network-config-controller git dcdf24f5 sha256:9681ea4e60b83e86f9fe9903fbc2df087e54d9d94b0cb9d3267a881eedbe3a65
• cluster-autoscaler git 73b87353 sha256:d986b3b62c274a3f9578b69c49388b3fa9defa9fa7a3e253616420e4309e769a
• cluster-autoscaler-operator git dec12ba6 sha256:893c4d487c72cadc19b46e5da16533453148438992705112daa9861896e06c79
• cluster-bootstrap git dc0d4a5c sha256:35221ffff27e4b5396afb4bc0d90dbe3c392960faf2858bb728ee940eea2a455
• cluster-capi-controllers git a957484a sha256:f5cce36e2b3c43f907822809b2b93cc2384018b74a32c4dc30e9931507517a98
• cluster-cloud-controller-manager-operator git 6148c0cc sha256:ea76f38d4ea0e842d78a706f3ab1250c7a1a6de2fb33e3c9407f47e1a2973015
• cluster-config-api git d1c4dc4f sha256:48bd9fea4367ffdf19ee8821c09ae3b243fb8d6024394c1d49e84448ef39b64b
• cluster-dns-operator git 41a53fed sha256:6271bfb4ed3f336dcb41611f9204254dee915acdf3e798d781c2ff2a0b469b3c
• cluster-ingress-operator git b62dd27c sha256:13957744e260a32c216af126c442b2207b788c697e5a761d55a55099f097776a
• cluster-kube-controller-manager-operator git 395de967 sha256:fd99e6a3a745cce105dc1a3bb7f8b897e17c7474a5d5a32132a1144ff5e7d567
• cluster-kube-storage-version-migrator-operator git 8a42beeb sha256:e0bae287482d83f652f58eeed1d3e289ef776f658f2ed3e4636c650cdac60fc2
• cluster-machine-approver git d864813c sha256:39c7493fd1d53d0fd3fe5daa6abde8788e05c0b79c1cad2668c0ce72f738f6ac
• cluster-node-tuning-operator git 0e275839 sha256:7d01e6b8953d3096844aae95cff98c94f14b3f406cb5b0d9dd5ecdf19e90bd4d
• cluster-olm-operator git 81989478 sha256:d5dd2bf5490b430938d52a0253591fea13cea5c0a0e37171020cad59da12ed94
• cluster-openshift-apiserver-operator git c2d01272 sha256:e0b577b2f85212c4e21f79ba2e5c3b947ac2591f451efaadbe5f392a8c16e1d2
• cluster-openshift-controller-manager-operator git 2617a201 sha256:0aa839ca3a29c045a911e9da7f79a629d1b866f6d44cf3c29895d7f2b3c553c7
• cluster-policy-controller git 8b775487 sha256:6c6689e0e78a39fdeaf6bf111d5f57ad3349d8c8ef544cf82b331949d30ea69f
• cluster-samples-operator git 11ed1942 sha256:47fdd3ac070a6c8f5bf4a2c9594c54112b43c4ecff50043dfb212067ae177bd0
• cluster-update-keys git b3cae8f2 sha256:b176a9076d8c6f5c9f5e698ac22413ae51f911fa8e22ba1ee95e8c03607e43df
• cluster-version-operator git 6fb3e84b sha256:7a83ab5e6455f3c743801713937175b48b3f43af20ad60e45c6aa3dd501687e9
• configmap-reloader git 16114b8d sha256:e47b47581062217646196b70e8da774fe433d3a8ec4e67db12ed92d94bd49637
• container-networking-plugins git 747ad66c sha256:22a286219f186ffed9d18f6c19f41d5070d0f22713aa968abd4cc7229bdfaf24
• containernetworking-plugins-microshift git 747ad66c sha256:c33156545c1273988939b96a84bb23b2d6e2d0cd5103e651eacf4a12e8fa2af9
• coredns git 7486e9e4 sha256:7e791f9cd983e36c9dbcd37cbfe7b23824ba75fd8f94c510820ea13b2a3b7d25
• csi-driver-manila git bf508c06 sha256:80afe218c32989394556d99008e162cfa7f90c8a0f2a69e5465f234f6d0b13fc
• csi-driver-manila-operator git d3789c52 sha256:1fb8bfdada21c3eee75423f1feb1faa4a463546571cafe9c81e7d1d520d4e537
• csi-driver-nfs git 49f2d86f sha256:fb8f9dc04b8cf42119c25167dbfa5707c98bf9ee68d733308289b0ea76be99e2
• csi-external-attacher git 344669a2 sha256:1b3bbe5176e22a8d7cea43b69bef4d27dae8ed81ba1d0b027782e51fd440ec24
• csi-external-provisioner git f18190fb sha256:09dea92f867594b310ca5556bed7ea65c93a101f5208712b116d85ad1c7d20e9
• csi-external-resizer git d880a1ec sha256:158ad6438917760026cc59cc857d0704c00fa92800740517ea4933f3142d0824
• csi-external-snapshot-metadata git af250fdb sha256:fdc8ad883919103aec862cad6c66f4a3d80380da2a97509694cf04f61ca1aaf6
• csi-external-snapshotter git 9098db0e sha256:fb1104d928d67c6353597681e8585843c53e979d80aa1487c2c9f200d0eff277
• csi-livenessprobe git 78dacb7c sha256:211ca218d30ee3d45cb65f9daae8bc90e6ec0d490a8fcd6e3a570d9f7d15f328
• csi-node-driver-registrar git d29f3f7a sha256:a8982fb44c7d9a5d99871a02cf32b8d06e37be096cdc7586cfb6f2730cf91f96
• csi-snapshot-controller git 9098db0e sha256:84c62c876178fe4f851c7224f0c49e05ef3401a45d043952087365c1c7d3960d
• deployer git 19a2243f sha256:aaef244f1d0e05ac8de85524aed08dc4ec054259d273a7654fe27fb3fb1b6d4d
• docker-registry git 602f51c7 sha256:65cef58ad8ed909743c5a8e1d93ed8a98a7656f8937ee79fd1b9085c36a03109
• driver-toolkit git 5c53d757 sha256:aadf5a857d5fd6c9c359933b4744745f74d2d57c6f0371229e64a1455284f06c
• egress-router-cni git 5e0f8d1b sha256:31accfa8cdf64b578ce5c16b2c7dab8e583e6fc469093e0a5297f7d1008e34f4
• etcd git 806f690e sha256:6fdb5cdd5c848cc8c23eac7f491a5fe0d997e4b806df569894ee2227d05b1eb2
• gcp-cloud-controller-manager git 8732386c sha256:8998f7cd6a57bd8d947d791e9380411c4154b7417cad71799135b0de53e96800
• gcp-machine-controllers git 91f71c9a sha256:a2766909bc1007d1af7b33c06d63b7b25a9d97ede98ca6027bc32694afa3dddf
• gcp-pd-csi-driver git a022e754 sha256:d4cfcccbed82d1b38a9c2304084258e69920f88466f038820df8ad160abdaa51
• gcp-pd-csi-driver-operator git 73b5939d sha256:d35ff835630f19227f506e937b5f2d604c913f77ea512cc996a45f9eaa56c939
• gcp-workload-identity-federation-webhook git d481e5cb sha256:f338690937ce8f3165f0faeaec6396765b7eb6c36d5f2ef9f5ba63b0b58bf444
• haproxy-router git b231c65b sha256:b5e37df9bccc4370a18b4e4c41bbdb1ce1651972931b2a08ffe146e149c9416d
• ibm-cloud-controller-manager git c566572b sha256:efe1b127ca96eacf27b5e0de383a70285c19a7389c4414ca84c40cdbdc4ebb6e
• ibm-vpc-block-csi-driver git ab36dcc1 sha256:ceb420cf3c22d11a0bef6f2537540c57fbeb12e5d94b1da21cb6686befa3de96
• ibm-vpc-block-csi-driver-operator git 00bc7407 sha256:e3fcbfe2aae9f0268bdd159809e9ece9afe4d33ab64aab12547044d06eb59096
• ibmcloud-machine-controllers git e72a8471 sha256:0a6570a5e2b36883f5c290cd6249bb6d68cbec9aa80fb1269e1b80b377083b03
• insights-runtime-exporter git 015f7b61 sha256:bebced356a84643e1c307938ac7813550a5f3e2284001f2aff69170b0ac89fc0
• insights-runtime-extractor git 015f7b61 sha256:12b25384c2627e8961332bb5a8d07dda7c9bc10f6a6555a65abb394911113903
• ironic-static-ip-manager git b95b05fe sha256:d3006cb2adc37a4a6b7b475c94e5fa4cccd92ffb63c35358ecbaa9ae846db323
• kube-metrics-server git ed76a5e8 sha256:a03239106a5d06aed9d4a5bc2c1cca14000b0c325d1f4b8d268936e07c95ea6c
• kube-rbac-proxy git cd636680 sha256:148e76b52541e816eb82c865a8b01cff88382b7b676e7e9102f3ba279a932756
• kube-state-metrics git cb0aa591 sha256:811a903fb51c72f3d0f7a44f991ababc9254bdc32f85adf61fd12464a2c637cf
• kube-storage-version-migrator git ce5ff17e sha256:2e9cd2292512662db7854a59ad6d3278a0b2be4c31c69c504813d46bedb47845
• kubevirt-csi-driver git 9e2dbddf sha256:fa49fd5e9ef8555a50809a4116025e47bfa89eaf93631abdf452ce787833070d
• libvirt-machine-controllers git 76effeca sha256:de75efae8585b6ece99b0201e413c46f09e8827b11da1e4166247e3f66d6e4ca
• machine-api-operator git 83936dde sha256:b42978cfca1bc067f7eb1381a2685ef1f1592a03f4d3ecbab9843c5ddb5a9e4a
• machine-image-customization-controller git d958f0bf sha256:f8d2c7944cddca8c6d21d6b067697647c6f6cb594dd1fb0a701f14867d8e0f49
• machine-os-images git 9a8e96a6 sha256:b88b0bc1b2b4296ed5f4d1b918c8c2d2d1051c98cc657eb91c3b661e447dc6e9
• metallb-frr git c82bfaad sha256:2df4f48bf9630f381ab920acaeed98b63855fcb72ecea33e681899af231b2111
• multus-admission-controller git d95feb67 sha256:87bc3991634abab611f94ca24ed9ee9e4e5d5b1ff1af0d5b161cdd482cce89e5
• multus-cni git 93556f99 sha256:544279d4644b2744c6b5fbac80530fef5205905664427838ec11a8dc79e4d6c7
• multus-cni-microshift git 93556f99 sha256:bae1c5dbbc13e641510c59675ddf4dbaa076a0f4d2eba0f972e67beae1a27485
• multus-networkpolicy git 5ed5d240 sha256:d7bbad71b6502c1dbfa023b1e47f607e7373218d8054516462009d47efb80e85
• multus-route-override-cni git 08af4127 sha256:57c247e2ce6f9561bdc0f67a3e3ec5da1e8151f4d43e2063971fbb02b10c39c0
• multus-whereabouts-ipam-cni git d691040e sha256:355c76846d22024ef8d3f6b3c1370e6555a888f3d6bbdbdd05d4de4bfd6e1303
• must-gather git b4b434c4 sha256:2f660cbae6328819be7487ce864365cbb6d880a76e624edfe65e19186376905c
• network-interface-bond-cni git 297eeb43 sha256:558d6cebbad9a6018fabba18b47c428ed89168542aac0f90c8286e8b39e4d3be
• network-metrics-daemon git 844fa588 sha256:ed4875f224df613c3d4c387c78c40e6094082313c44cfa13fb7e48bbba45ff1c
• network-tools git d6717e45 sha256:69e733f73abd99fe87e3682a37c43d341e57dbb409304aa0ca43723a4fd86642
• nutanix-cloud-controller-manager git 33b7bec6 sha256:0b3a760aaf6ce01b74a292ca577f2a3d1343a2d0311ff06eefb217f1d2e80580
• nutanix-machine-controllers git b15a665c sha256:69814b4d6c89c18154f654e83ed402e0d70ea1efd68f30d8626199c14bf85e2b
• oauth-apiserver git 71c41b2d sha256:5f75bb3d84c7c736ae14c4d15916aa728f36dd6442774135b6626cd26c2458af
• oauth-proxy git 7f518c02 sha256:11e4fa23e0f2a4959c9917bd13daa9430edb3c54ad977013c3115cb20b70d9a6
• oauth-server git 3ab74506 sha256:938f564ccfc061e51593973956128b0e7b7f1a3256bd6335935c8a93f8b3f681
• openshift-apiserver git 64dea074 sha256:fba8e99cc61fb1f1ab3604667c69cc37732935cefd9aa4393864c1c6d2dc4ccd
• openshift-controller-manager git 438d52e7 sha256:7277dd2e5441c5d1489122ae2a060b82491086bc4fe982c7f07aced71e5c6da7
• openshift-state-metrics git ab605a4b sha256:a0c6811c6128a2e28c8561765bf1a948ebd923433eacce4798b19fd579e2b7bf
• openstack-cinder-csi-driver git bf508c06 sha256:89c48e13f05893f3c2c32e3731a7242ab143448358e81b8157a64f18b5c57c7d
• openstack-cinder-csi-driver-operator git d3789c52 sha256:a9979733f04214299dd51ed12a724f29f81ada5b5429d1955a3e4cc2100599d1
• openstack-cloud-controller-manager git bf508c06 sha256:1d6929ce560c6a01478e8672c841f48b944db8dccc2e64481b27ec582cc2850d
• openstack-cluster-api-controllers git e1c0f2f9 sha256:737cb71000c402f64a9350f62d05c8d7f83fa47ae33545da31722165339bfffd
• openstack-resource-controller git 70f5ad34 sha256:7a24f2d0ce8358af160b09215e010ca5f6b70822262abcc009ddf8e21de6b06a
• operator-marketplace git 7c1eba6b sha256:9054a11a1a3b2b34e964d3df00d647097efa2ade1e86426d583be99729be6e31
• powervs-block-csi-driver git 791e12ab sha256:edfaadd75d7debf9c387b8d9e2355be716852afb8111dbf1251a44c20b258cfd
• powervs-block-csi-driver-operator git e22228ae sha256:2d1dc2a074c4e011e86a45ca25b9228b0e3dae39c37967f948291535431e2213
• powervs-cloud-controller-manager git 969a04e9 sha256:b38b8890db603f73e0bb77d91e5199abfe118262a47a5a9b0c484ec77bd3dac5
• powervs-machine-controllers git 551974ef sha256:8092e641436957afd86a5e1f94e1630e7f087f04f4fb415fd80bafce3baeee97
• prom-label-proxy git 610c11b5 sha256:97d32ed36f457bb14301dd6abc8265d037a4e859bf542632696949e0b32285ba
• prometheus git ac9443d2 sha256:d4135a244fc7d28ac5d966e04a84547b3cb1fe51f5c57a4d274980261795bffa
• prometheus-alertmanager git 3dbe0b64 sha256:fdbf95c224bf40baa914b15dd841debc060e53243d559a7ac3556c220863e000
• prometheus-config-reloader git 4889ec9a sha256:f0cdca633866ee947270ff01f9d24872b630931df47f6c2e1877fa636be726dd
• prometheus-node-exporter git 39d72873 sha256:6c29c0e380470d1921fb38174029c5179c5c826233b0b2cb84060db7dc4f3add
• prometheus-operator git 4889ec9a sha256:0d3fbd7662b19dfb16493bfd61a29ed2addb987c4af52fc485b75d6d12623464
• prometheus-operator-admission-webhook git 4889ec9a sha256:b3e73feac9264d447001a90b42bb24bc9aed17ec5f60e3d123be39f5bd9988e7
• stream-coreos git e8f5a55a sha256:4026f681b30bed9f316ae5bd6191145b2f657a07d6dfe9daf8ff243b05f3f368
• stream-coreos-extensions git e8f5a55a sha256:3d8108cb043eed31fbd329d57dda4a62fd33f1fa5bba82e13e385393bb76032c
• telemeter git a54acdfe sha256:308f8578ab7b6fefc5724f9700df130bbb4375e7a805996839b5ba61aac36966
• thanos git 6ea20ffa sha256:49e0515f900e8b9aaa375a2d9aff49e5ba840fd62496124e4de2aa44bc6ed58b
• tools git 19a2243f sha256:863bfaaf5f4940f96f3b104251535556d77a0654bc1ed6b443ec32bca6906387
• volume-data-source-validator git 8b929332 sha256:e62ffbe2b292d0b056342d267a6f9e822d50169c9aa023086880059833c28d78
• vsphere-cloud-controller-manager git f69584d6 sha256:b7b26f155b77eb2c1d710c83cee689c44ab425302bcd059627fbde40af56b70e
• vsphere-cluster-api-controllers git 6626b299 sha256:b253000e4436fcdd3ec723d65f281dce2681414e98d7cd01f2e54b35f42031fa
• vsphere-csi-driver git 5e680186 sha256:a68b9feba342694339d8cbdb34953f64ed25f37a28c28b3bd1cbb34749d156ea
• vsphere-csi-driver-operator git 57c19630 sha256:e7a28bd4c095c879f066a1e680f1f3508d4635356e7ca103806ffe6726e5a97b
• vsphere-csi-driver-syncer git 5e680186 sha256:b326538a0432eba2d57888bb2e0597af2174b81d1a42624ffe96caa3aa93298e

agent-installer-api-server

• AGENT-1431: Backport feature NoRegistryClusterInstall to 4.21 #8806
• Full changelog

agent-installer-utils

• OCPBUGS-76590: Update Konflux files to build 4.21.1 #254
• OCPBUGS-76411: Include additional operators in OVE config #253
• AGENT-1431: Backport feature NoRegistryClusterInstall to 4.21 #248
• OCPBUGS-74935: Update Konflux references #220
• Full changelog

azure-cloud-controller-manager, azure-cloud-node-manager

• OCPBUGS-69804: Merge https://github.com/kubernetes-sigs/cloud-provider-azure:765f4352a0be4a8f1160e83293fa8668a5f349b1 (765f435) into release-4.21 #154
• Full changelog

azure-cluster-api-controllers

• OCPBUGS-74398, OCPCLOUD-3101: Merge https://github.com/kubernetes-sigs/cluster-api-provider-azure:v1.22.0 (4523016) into release-4.21 #361
• Full changelog

azure-disk-csi-driver

• OCPBUGS-69655: fix ASH static provision segmentation fault #118
• OCPBUGS-67305: fix: disk creation failure in AzureStack env #116
• Full changelog

azure-kms-encryption-provider

• OCPBUGS-62405: Updating azure-kms-encryption-provider-container image to be consistent with ART for 4.21 #23
• Full changelog

baremetal-installer, installer, installer-artifacts

• OCPBUGS-73878: handle SSH rule deletion for Azure private #10225
• OCPBUGS-76358: [release-4.21] Fix destroy bootstrap command for Azure #10293
• AGENT-1431: Backport feature NoRegistryClusterInstall to 4.21 #10250
• OCPBUGS-74672: [release-4.21] GCP: skip AI zones #10272
• OSDOCS-17769: [release-4.21] Add AWS m7 instance types #10266
• OCPBUGS-74493: add support for NVIDIA H100 and H200 enabled machine series #10259
• OCPBUGS-74414: Remove region option for the GCP Private Service Connect Endpoint #10253
• Full changelog

baremetal-operator

• Bug OCPBUGS-76492: BMO fails to start servicing despite updates to HFC spec #459
• OCPBUGS-68369: Abort inspection/cleaning before powering off during deletion #449
• OCPBUGS-74365: Fix invalidDNSNameinvalidipv6 test for Go 1.24+ #450
• Full changelog

cloud-credential-operator

• OCPBUGS-71222: test-ext: remove kubernetes module dependency #958
• OCPBUGS-74545: Resolve nil pointer exception in hasResourceTags #969
• Full changelog

cluster-baremetal-operator

• OCPBUGS-74204: Fix libguestfs /tmp access in machine-os-downloader init container #551
• OCPBUGS-70163: Remove the writable ironic CA cert volume mount at /certs/ca/ironic path, ironic will use the writable /conf mount if needed #541
• Full changelog

cluster-capi-operator

• OCPBUGS-74650: fix: e2e: workaround for flakes caused by OCPBUGS-74571, until it is fixed #450
• Full changelog

cluster-control-plane-machine-set-operator

• OCPBUGS-74588: Bump openshift/api to get latest AWSMachineProviderConfig type #386
• Full changelog

cluster-csi-snapshot-controller-operator

• OCPBUGS-74301: Re-add serving cert volume mount to hypershift guest cluster manifest #267
• Full changelog

cluster-etcd-operator

• OCPBUGS-74489: configure inertia for all controllers, bump to 10m #1535
• Full changelog

cluster-kube-apiserver-operator

• OCPBUGS-74181: SCC: allow image volume type for all SCCs #2007
• Full changelog

cluster-kube-scheduler-operator

• OCPBUGS-74592: [release-4.21] NO-JIRA: pkg/operator: Fix wrong ClusterOperator name #605
• Full changelog

cluster-monitoring-operator

• OCPBUGS-74622: update expr for AlertmanagerClusterFailedToSendAlerts to exclude value 0 #2804
• Full changelog

cluster-network-operator

• OCPBUGS-76285: Remove duplicated openssl parameter #2899
• Full changelog

cluster-storage-operator

• OCPBUGS-74569: add vsphere permissions for checking if users is authorized to see metrics #660
• Full changelog

console

• OCPBUGS-76389: Use Actions button instead of kebab menu on Subscription details page #16008
• OCPBUGS-74998: Fix referenceFor parameter in SubscriptionDetailsPage #15984
• OCPBUGS-74887: Add null checks to CRB subject #15974
• OCPBUGS-74587: ‘0 of pods’ are shown in Status column on DaemonSets list page. #15953
• OCPBUGS-74695: Bump lodash to latest #15962
• OCPBUGS-74157: Do not resolve disabled catalog type extensions #15930
• Full changelog

console-operator

• OCPBUGS-74152: Fix PDB blocking node drains during cluster upgrades + update donwloads deployment #1103
• Full changelog

docker-builder

• OCPBUGS-70149: bump buildah to 1.39.7 to fix CVE-2025-52881 #495
• Full changelog

gcp-cluster-api-controllers

• OCPBUGS-74915: Merge https://github.com/kubernetes-sigs/cluster-api-provider-gcp:v1.11.0 (1cb204d) into release-4.21 #262
• Full changelog

hyperkube, kube-proxy, pod

• OCPBUGS-74975: UPSTREAM: 136594: raise kubelet CSI init backoff to cover ~140s DNS delays #2580
• Full changelog

hypershift

• OCPBUGS-71133: fix(ingress): clear LoadBalancerSourceRanges when AllowedCIDRBlocks is removed #7433
• OCPBUGS-74893: fix: add hypershift.openshift.io/nodepool-globalps-enabled label to be ignored in cluster-autoscaler deployment #7618
• OCPBUGS-74648: feat(cpo): check components have rolled out before setting available #7604
• Full changelog

ibmcloud-cluster-api-controllers

• OCPBUGS-66393: Updating ose-ibmcloud-cluster-api-controllers-container image to be consistent with ART for 4.21 #133
• Full changelog

insights-operator

• OCPBUGS-74479: set Progressing condition on cluster update #1217
• OCPBUGS-74233: [bugfix] The ConfigMap value for StoragePath is ignored on basic routine #1214
• Full changelog

ironic

• OCPBUGS-76474: Update requirements.cachito for 4.21 with heartbeat inspection fix commit #785
• OCPBUGS-76282: Update ironic hash #780
• OCPBUGS-74603: fix for minimal builds #774
• OCPBUGS-74428: Bump eventlet version to latest bugfix #771
• OCPBUGS-70156: Set the tls cacert path to writable mount when the IRONIC_CACERT_FILE is unset #753
• Full changelog

ironic-agent

• OCPBUGS-74603: fixes for minimal builds #241
• Full changelog

ironic-machine-os-downloader

• OCPBUGS-74204: Export TMPDIR to be available to child processes #112
• Full changelog

kubevirt-cloud-controller-manager

• OCPBUGS-76994: [release-4.21] Sync Upstream 2026-01-27 #61
• Full changelog

machine-config-operator

• OCPBUGS-76833: Machine-config controller should not log about non-existent pull-secret changes #5659
• OCPBUGS-73805: Prevent unnecessary systemd unit disable #5648
• MCO-2017: Backport OSImageStreams to 4.21 #5515
• OCPBUGS-76356: crio: disable short_name_mode until we introduce ctrcfg api for it #5636
• OCPBUGS-76359: Update AMI script and list #5639
• OCPBUGS-76271: machine-config-daemon: openshift: Exposure of Sensitive Data in Log Files in the Machine Configuration Daemon. [openshift-4] #5624
• AGENT-1431: Backport InternalReleaseImage support #5610
• OCPBUGS-74145: enable nodeip-configuration for platform external #5581
• OCPBUGS-74542: Stale operator metrics Service and ServiceMonitor resources need to be deleted #5600
• OCPBUGS-74431: CVE-2025-58183 ose-machine-config-operator-container: Unbounded allocation when parsing GNU sparse map [openshift-4.21] #5596
• OCPBUGS-73819: Set NodeDegraded MCN condition when node state annotation is set to Degraded #5554
• Full changelog

monitoring-plugin

• OCPBUGS-74909: fix: update vulnerable dependencies #751
• Full changelog

networking-console-plugin

• CNV-77540: fix Enable MultiNetworkPolicies lead to invalid URL #341
• CNV-74687: Fixing the title and redirect when deleting a vm network #340
• CNV-76879: Allow passing the physical network name via URL parameter in the VM network wizard #332
• Full changelog

oc-mirror

• OCPBUGS-76126: Fix reg config detection for explicit false values #1349
• OCPBUGS-74981: fix conversion issue for catalog #1346
• OCPBUGS-74577: fix duplicated channel bug in filtered catalogs #1345
• Full changelog

olm-catalogd, olm-operator-controller

• OCPBUGS-74967: [release-4.21] enhance qe cases to make it more stable #626
• OCPBUGS-74633: config watchnamespace api cases #620
• OCPBUGS-74562: enhance ocp-79770 #617
• Full changelog

openstack-machine-api-provider

• OCPBUGS-76789: Fix make test #156
• OCPBUGS-69644: Don’t record event for every reconcile #146
• Full changelog

operator-framework-tools, operator-lifecycle-manager, operator-registry

• OCPBUGS-76325: [release-4.21]remove qe case of testing collect-profiles #1222
• OCPBUGS-76266: Remove the collect-profiles job #1220
• Full changelog

ovn-kubernetes, ovn-kubernetes-microshift

• OCPBUGS-74267: release-4.21 fix(localnet, ipamless): Prevent LSP deletion on sync #2940
• Full changelog

route-controller-manager

• OCPBUGS-76641: filter ingress namespace on UnmanagedRoutes metric #73
• Full changelog

tests

• OCPBUGS-76955: co/kube-storage-version-migrator reports Available=False in a non-upgrade job #30740
• OCPBUGS-75513: adjust olm test to pass on a degraded run #30749
• OCPBUGS-75513: update test logic for degraded cluster run #30748
• OCPBUGS-74499: Update MCN tests to better handle condition transitions through the “Unknown” state #30729
• OCPBUGS-74503: VsphereConfigurationTestsRollOutTooOften event matcher should use broader regex #30730
• OCPBUGS-74372: Add/RemoveSigtermProtection event matcher for SigstoreImageVerification test #30723
• Full changelog

vsphere-problem-detector

• OCPBUGS-74706: fix concurrent map writes #207
• Full changelog

---

View changelog in Markdown or change previous release: 4.21.0-okd-scos.64.21.0-okd-scos.54.21.0-okd-scos.44.21.0-okd-scos.34.21.0-okd-scos.24.21.0-okd-scos.14.21.0-okd-scos.04.20.0-okd-scos.174.20.0-okd-scos.164.20.0-okd-scos.154.20.0-okd-scos.144.20.0-okd-scos.134.20.0-okd-scos.124.20.0-okd-scos.114.20.0-okd-scos.104.20.0-okd-scos.94.20.0-okd-scos.84.20.0-okd-scos.74.20.0-okd-scos.64.20.0-okd-scos.54.20.0-okd-scos.44.20.0-okd-scos.34.20.0-okd-scos.24.20.0-okd-scos.14.20.0-okd-scos.04.19.0-okd-scos.194.19.0-okd-scos.184.19.0-okd-scos.174.19.0-okd-scos.164.19.0-okd-scos.154.19.0-okd-scos.144.19.0-okd-scos.134.19.0-okd-scos.124.19.0-okd-scos.114.19.0-okd-scos.104.19.0-okd-scos.94.19.0-okd-scos.84.19.0-okd-scos.74.19.0-okd-scos.64.19.0-okd-scos.54.19.0-okd-scos.44.19.0-okd-scos.34.19.0-okd-scos.24.19.0-okd-scos.14.19.0-okd-scos.04.18.0-okd-scos.104.18.0-okd-scos.94.18.0-okd-scos.84.18.0-okd-scos.74.18.0-okd-scos.64.18.0-okd-scos.54.18.0-okd-scos.44.18.0-okd-scos.34.18.0-okd-scos.24.18.0-okd-scos.14.18.0-okd-scos.04.17.0-okd-scos.34.17.0-okd-scos.24.17.0-okd-scos.14.17.0-okd-scos.04.16.0-okd-scos.14.16.0-okd-scos.04.16.0-0.okd-scos-2024-09-24-1517474.16.0-0.okd-scos-2024-08-21-1556134.15.0-0.okd-scos-2024-01-18-223523───4.22.0-0.okd-scos-nightly-2026-02-23-1813234.22.0-0.okd-scos-nightly-2026-02-23-0613234.22.0-0.okd-scos-nightly-2026-02-22-1813234.22.0-0.okd-scos-nightly-2026-02-22-0613234.22.0-0.okd-scos-nightly-2026-02-21-1813234.22.0-0.okd-scos-nightly-2026-02-21-055011───4.22.0-0.okd-scos-2026-02-23-1954444.22.0-0.okd-scos-2026-02-23-0754444.22.0-0.okd-scos-2026-02-22-1020154.22.0-0.okd-scos-2026-02-21-2004114.22.0-0.okd-scos-2026-02-21-0145264.22.0-0.okd-scos-2026-02-20-134525───4.21.0-0.okd-scos-nightly-2026-02-23-1831444.21.0-0.okd-scos-nightly-2026-02-22-2157254.21.0-0.okd-scos-nightly-2026-02-20-0355574.21.0-0.okd-scos-nightly-2026-02-19-1517234.21.0-0.okd-scos-nightly-2026-02-18-0511374.21.0-0.okd-scos-nightly-2026-02-17-1711374.21.0-0.okd-scos-nightly-2026-02-11-2258444.21.0-0.okd-scos-nightly-2026-02-11-1058444.21.0-0.okd-scos-nightly-2026-02-10-225844───4.21.0-0.okd-scos-2026-02-23-1435094.21.0-0.okd-scos-2026-02-22-2130484.21.0-0.okd-scos-2026-02-19-2359384.21.0-0.okd-scos-2026-02-19-1159384.21.0-0.okd-scos-2026-02-18-0732504.21.0-0.okd-scos-2026-02-17-1932504.21.0-0.okd-scos-2026-02-17-0732504.21.0-0.okd-scos-2026-02-16-193250───4.20.0-0.okd-scos-2026-02-10-1309514.20.0-0.okd-scos-2026-02-07-0016394.20.0-0.okd-scos-2026-02-06-1216394.20.0-0.okd-scos-2026-02-06-0016394.20.0-0.okd-scos-2026-02-05-1216384.20.0-0.okd-scos-2026-02-05-0016374.20.0-0.okd-scos-2026-02-04-121636───4.19.0-0.okd-scos-2025-10-25-0018304.19.0-0.okd-scos-2025-10-24-1218294.19.0-0.okd-scos-2025-10-24-0018284.19.0-0.okd-scos-2025-10-23-1218284.19.0-0.okd-scos-2025-10-23-001828───4.18.0-0.okd-scos-2025-05-27-0825374.18.0-0.okd-scos-2025-05-26-2025374.18.0-0.okd-scos-2025-05-26-0825374.18.0-0.okd-scos-2025-05-23-0333574.18.0-0.okd-scos-2025-05-22-153357───4.17.0-0.okd-scos-2025-02-25-0904554.17.0-0.okd-scos-2025-02-24-2104554.17.0-0.okd-scos-2025-02-24-0904544.17.0-0.okd-scos-2025-02-23-2104544.17.0-0.okd-scos-2025-02-22-211215───4.16.0-0.okd-scos-2025-01-06-1432414.16.0-0.okd-scos-2025-01-04-1456004.16.0-0.okd-scos-2025-01-04-0142364.16.0-0.okd-scos-2025-01-03-1342364.16.0-0.okd-scos-2025-01-03-0142364.16.0-0.okd-scos-2024-12-17-0222464.16.0-0.okd-scos-2024-11-24-1100454.16.0-0.okd-scos-2024-11-23-1818454.16.0-0.okd-scos-2024-11-23-0618454.16.0-0.okd-scos-2024-11-22-1818454.16.0-0.okd-scos-2024-11-22-061845───4.15.0-0.okd-scos-2024-12-16-1913164.15.0-0.okd-scos-2024-01-18-1035224.15.0-0.okd-scos-2024-01-17-2235214.15.0-0.okd-scos-2024-01-17-1035204.15.0-0.okd-scos-2024-01-16-223519───4.15.0-0.okd-2025-06-27-1341344.15.0-0.okd-2025-06-17-1652194.15.0-0.okd-2025-05-02-1402244.15.0-0.okd-2025-04-03-2126204.15.0-0.okd-2025-04-02-1800124.15.0-0.okd-2024-03-27-1109014.15.0-0.okd-2024-03-26-2309014.15.0-0.okd-2024-03-23-1640104.15.0-0.okd-2024-03-23-0440104.15.0-0.okd-2024-03-22-164010───4.22.0-okd-scos.ec.84.22.0-okd-scos.ec.74.22.0-okd-scos.ec.64.22.0-okd-scos.ec.54.22.0-okd-scos.ec.44.22.0-okd-scos.ec.34.22.0-okd-scos.ec.24.22.0-okd-scos.ec.14.22.0-okd-scos.ec.04.21.0-okd-scos.ec.194.21.0-okd-scos.ec.184.21.0-okd-scos.ec.174.21.0-okd-scos.ec.164.21.0-okd-scos.ec.154.21.0-okd-scos.ec.144.21.0-okd-scos.ec.134.21.0-okd-scos.ec.124.21.0-okd-scos.ec.114.21.0-okd-scos.ec.104.21.0-okd-scos.ec.94.21.0-okd-scos.ec.84.21.0-okd-scos.ec.74.21.0-okd-scos.ec.64.21.0-okd-scos.ec.54.21.0-okd-scos.ec.44.21.0-okd-scos.ec.34.21.0-okd-scos.ec.24.21.0-okd-scos.ec.14.21.0-okd-scos.ec.0───4.15.0-0.okd-2024-03-10-0101164.15.0-0.okd-2024-02-23-1634104.15.0-0.okd-2024-02-10-0355344.15.0-0.okd-2024-01-27-070424

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