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Download installer and client with:

oc adm release extract --tools quay.io/okd/scos-release:4.21.0-okd-scos.10

Team Approvals:

Tests:

• Blocking jobs
  • upgrade Failed (2 retries) release-openshift-okd-scos-installer-e2e-aws-upgrade-from-scos-stable

    • Attempt 1 Failed
    • Attempt 2 Failed
    • Attempt 3 Failed
  • upgrade-minor Failed (2 retries) release-openshift-okd-scos-installer-e2e-aws-upgrade-from-scos-stable

    • Attempt 1 Failed
    • Attempt 2 Failed
    • Attempt 3 Failed

Upgrades from:

• 4.21.0-okd-scos.ec.19 (changes) - F F F
• 4.20.0-okd-scos.17 (changes) - F F F

---

Loading changelog, this may take a while ...

Changes from 4.21.0-okd-scos.9

Created: 2026-04-07 06:13:29 +0000 UTC

Image Digest: sha256:e16e1724d463da79a2b361b7d8bac58f10043d1f8b1a5969a5be91248e8c8870

Release 4.21.0-okd-scos.10 was created from registry.ci.openshift.org/origin/release-scos:4.21.0-0.okd-scos-nightly-2026-04-03-125919

Components

• Kubectl 1.34.1
• Kubernetes upgraded from 1.34.5 to 1.34.6
• Kubernetes Tests 1.34.1
• CentOS Stream CoreOS 10 upgraded from 10.0.20260307-0 to 10.0.20260317-0

Rebuilt images without code change

• agent-installer-csr-approver git 58cd84e5 sha256:e2dbb41f74bebed3f34f21b1ccc5fb65d327460a94025892e2273173a8aac2e8
• agent-installer-node-agent git e5713826 sha256:904d9f78d3963a0513d737156a4dcecf5813753bdcaa760891922fb58fa2f562
• agent-installer-orchestrator git 58cd84e5 sha256:821c467d2d010def6dbc43293ca44f93a4528cb322c356a443625f5114f783f8
• apiserver-network-proxy git 35ba137a sha256:2d62ed21c89cc67f402fe323a5f8e7ba4a87146dd91e9a14e665c81a58a01b6b
• aws-cloud-controller-manager git fdc7f3f1 sha256:2e445acc490cd9a4aee35f7d996fbf9046006519ad4b9a1f6856cbd1a79da698
• aws-cluster-api-controllers git 10ceef5e sha256:9d9766f42bef05f7956ae0a544262a634b9b8ce671b3a849e8ff1b8f670cd219
• aws-ebs-csi-driver git 57eebffc sha256:c54f0704b9b04b18416b862a6c5e58420a032f79eb216e4ac4c3fa0af14efa0c
• aws-karpenter-provider-aws git ff9c8d4e sha256:24d1845ec03fd84a9c976375d14414909e9da061d6c9111465d3a274eb058d9d
• aws-kms-encryption-provider git 19e7b623 sha256:444dbbc841b0bae3fe4e4cc4b830fedd4da49ea210e20559efbdc016cd20ad5c
• aws-machine-controllers git 938565c9 sha256:26354eb0e39665dade866d3a58d6f3f886aae408c23bfd6d1d2dc5a77f385cd8
• aws-pod-identity-webhook git 5cd42ed1 sha256:859e1819551c1a99c781e4355e986cb3ea177acbe72316cda74e552b963fb6bb
• azure-cloud-controller-manager git 83b3f9ec sha256:69176eedd9ae9ebc0217660133426481e51e7db06a29ec4b9eb949f4c40951ce
• azure-cloud-node-manager git 83b3f9ec sha256:42102f618f429fef236e970e33c3c8156c392cc72abccfe781258c9ce8c25448
• azure-cluster-api-controllers git 5d6af81d sha256:0e5bcee6042fc706187c63ef4e0b3978ee7d6bf663a9b8f42a4a8e5dcf28d5bd
• azure-file-csi-driver git c77d75f9 sha256:4af814433aa8b42c12c7289f5eb05d83da0cc910096fda994e85bfc1ee313dbf
• azure-kms-encryption-provider git fe1d311b sha256:b07f64d9403596c8a4c21bd5f2be506d1894e014c28be0c7ca7b294c0b8f870c
• azure-machine-controllers git b8b8cb1c sha256:57e816b41fe2ad6f0299c69ff993deaa66cb6207d0b77f331b2b9bbe97c11273
• azure-service-operator git 17e57462 sha256:c8a945b94e4421e595ce02c2dd84c839a9edee80de5e7411bbe086e4d253ef9e
• azure-workload-identity-webhook git 3f2a6e0d sha256:681872d9ae6bdadd4c9d425bb3c990636af972d80537370a84ff57ced61860e5
• baremetal-cluster-api-controllers git 659138fe sha256:aa911ad96a8aacae893a37acad5531ad4d2a2a158eb0e10e3bd78376e212a137
• baremetal-machine-controllers git 4e6a729c sha256:5477b713b7f521c09a5ac2d6b3f01e0efcd839750165ebcdcd91fba0d12b3cae
• baremetal-runtimecfg git d7e3fc12 sha256:04dc7f76fb7153590bcb77ea98645d75b1e527e587b0e7913e4bda31f244357f
• cloud-network-config-controller git 57db2d05 sha256:7cc1a1874840a91667905e14f523f04db7a356f83318d10f3849e181bde88900
• cluster-authentication-operator git d235c0bb sha256:81514754d588f67601fc5e174a66471f9f188cbdfe13d49f692694b679b743cd
• cluster-autoscaler-operator git dec12ba6 sha256:b8686e294548a8f55b0f8792a83fbeb36c2611d2be1a520d30467ffab9dc9e25
• cluster-bootstrap git dc0d4a5c sha256:077cf4edbd1965f2241d16527ef460bc824b791b9c05644fce3bb4128726de4c
• cluster-capi-controllers git a957484a sha256:76c98c07e4c0fc298b77fa951643d4289991c05f4b26e1e1eb62856c648e3063
• cluster-capi-operator git 80728a61 sha256:30efd9e8aea62a9215d689af8459f15e82e94f1c1813f206da83bd759846a8f1
• cluster-cloud-controller-manager-operator git 6148c0cc sha256:301a8704f33d5e26296e60dc6853ef7b3dd45a11a3b425610d19f1af5313a3d9
• cluster-config-api git b0658d22 sha256:40a6152dbbdee7f1b357768d801c25511c8577d187a156935a66bb2ef311de2c
• cluster-config-operator git 1eb450a3 sha256:a9ae1b62832dee1e793ee88a8cc6f7efb99f8a43bdbb9b46b30b30b0b33a9693
• cluster-control-plane-machine-set-operator git 2dde33fb sha256:5d82abc5fdee1b06f91673a2e125f85b9384dbf321e1b5711d504a3509191ac6
• cluster-csi-snapshot-controller-operator git 43ad01e8 sha256:b7a9884e22bb7329b71d1568675bfd2a01ecb093cafceb4c5733914f392f0d93
• cluster-dns-operator git 41a53fed sha256:24e113dea01f4e396a1f9421dffb672575e6115eb27ab76aa72871dc27f979f0
• cluster-etcd-operator git 5c38f917 sha256:2c594ac6ca3bc14f310f185dacc3417749f5ffa242947dc3f818f07084e83a2f
• cluster-image-registry-operator git b2dfc3bb sha256:e5565a8590af71d05efe119875ebe99d2400561714d42ed25bb2dbda92856649
• cluster-ingress-operator git c2ed7331 sha256:5da0d1e8fba6b905f6880215f29c019abaf8510d06666ed87e279ad79b4a2fa3
• cluster-kube-controller-manager-operator git 395de967 sha256:baaf5b44552b13f727571b87d67b6fdf0c822803c178039acedd78421cbaf51f
• cluster-kube-scheduler-operator git e60e39de sha256:d67fb4747dbf748b8c9c5955812f8309465b2d5e1d38381c42bdeec5b2d7c094
• cluster-kube-storage-version-migrator-operator git 8a42beeb sha256:005fec22bb4b04d61fa0224b62603d6c001fd02b4a99f6cf49ff738ade00add4
• cluster-machine-approver git d864813c sha256:3ea122c4146fc351435fbe0feb4e31b83acae9af00b0337e089e87d52accd576
• cluster-monitoring-operator git 830f2003 sha256:de526fc449250b8848f258e06095fd413397bd18d109d1efa0ed3c94bc9bd891
• cluster-network-operator git 259ea6b0 sha256:8f14e048b8884e3c14883dbbdd0fd451a68f6ebb464d50169f3b764c10b400a1
• cluster-openshift-apiserver-operator git 52fd1773 sha256:ad9ca95199c64d79566a903dd5d8ce7976ea2413997a83c268b738e3ba7fb10e
• cluster-openshift-controller-manager-operator git 2617a201 sha256:e11e237accc45114771e68c21fe109ad0cf5db712e002bc8129d38e408cd0282
• cluster-policy-controller git 8b775487 sha256:d061e3f5372059cd78c6f0c25d0656c7f2faf28314956e4dd5af7237f10a0d74
• cluster-samples-operator git 11ed1942 sha256:d8bbd0be67a4a202d7bf6e0ca9bb8d220c7d3e7ef6262920424e81942cc7e2ca
• cluster-storage-operator git dd362d76 sha256:22d38891c6967d41aeb893e6f34c4361510e0671dd66b92a78266cd01ba3d8fe
• cluster-version-operator git d37e5a05 sha256:358a65a278fc15c8192fc3dce98c10bd7cdf9702fa9d9b806f7cc5e83c42d85f
• configmap-reloader git 16114b8d sha256:b411891a5aa778e6487355dfbd22eb5444b9a76d864e95fa6a103321c4bbc504
• container-networking-plugins git 747ad66c sha256:29a32b5c1bc4383ae9fde913789bc239c05097f91e386e2885fb6ecb08edc804
• containernetworking-plugins-microshift git 747ad66c sha256:dabe74aaa2e1939b1f17b236fc484bcd32c2cad43e1ea6b2273e1a531820a7b9
• coredns git 7486e9e4 sha256:ff6ba6274db0da671875c40ba1b9974aeb036b1d2af648bb77474df745fe00fc
• csi-driver-manila git bf508c06 sha256:69c9091f9609b8ecd167fb7868415f9beffd9b63324965a0cc21bd97d24a0db1
• csi-driver-nfs git 49f2d86f sha256:1470e636d5827fe7d0d83e7c14ca860ca35bef1e6b64a5d7bffc96d3afc2ac1c
• csi-external-attacher git 344669a2 sha256:ce6365bb49e07d9f86e38b7f5c351fcc3c28f3760c55883c3b1130dfe01033aa
• csi-external-provisioner git f18190fb sha256:1500e3534239b71467f865f2366c1f35577af3c7a6bae5ec794417564b541f9a
• csi-external-resizer git d880a1ec sha256:37f15932218e94e4d1e65c70f47105a510d4218b1458d8f0c1a1c99e7708c3f4
• csi-external-snapshot-metadata git af250fdb sha256:097fe6c8136a41d28cd1a37829fe8fbb57740fa5a183765b07fdb12642c03aa8
• csi-external-snapshotter git 9098db0e sha256:7036babf202f4f5f85b353f5c0ba857a83a053e6ee89d71fb9a2ac97e4b82d26
• csi-livenessprobe git 78dacb7c sha256:df135960e9c15c8d5dca2f5ca8b2d1c13586db6f788759bebd57f25b831221d4
• csi-node-driver-registrar git d29f3f7a sha256:db536aacb57bba66e6da2d0c21bd6f51133d7c8198a545e3fff6a390f3094d55
• csi-snapshot-controller git 9098db0e sha256:15307b520f0afb2c6933445907ad356b537455575b83b67b66385b34957ef904
• docker-builder git 48fce231 sha256:8c533cfc60d34cce09e791932a66645423a79a5f0d805210c7a498d2a3f57178
• docker-registry git 602f51c7 sha256:8639db17dbbe83918c60d1b40844ed9e3e2e1b934fa9da218e7e50d5e5ab08b1
• egress-router-cni git 5e0f8d1b sha256:dcf23425890582f5e52556721cf9e20bdcf29c3dced3425321cc8d1e43fa6b53
• etcd git 806f690e sha256:d2045d8c9119cd9861ff6902ba283ac21758b2aca3c7a4df78038988d82ff2a3
• gcp-cloud-controller-manager git 8732386c sha256:a12234fad890f031d116a7e4de97123c752327ba518e3e6e812a18be07f17cff
• gcp-cluster-api-controllers git e2d0c20e sha256:4d0a279ed8ca76e68869104fe7c557a84906660e980ddbacd39396e9dafa5e56
• gcp-machine-controllers git 91f71c9a sha256:c3dd3ecd824b81b6abba4603c0fd4e184ad1c03c555f85d8f343880e9d054a5e
• gcp-pd-csi-driver git 0660d93f sha256:89fbfa03eb9dc59084c6a10eebac6b6ebacf1f58302d389754d8c5e518acef05
• gcp-pd-csi-driver-operator git ddfc0f93 sha256:e5a8795c4106a1d8a865d94528ae75e71b1ac5b9105c2f6855f307e0d2c37917
• gcp-workload-identity-federation-webhook git d481e5cb sha256:d4633ae01dafe98460f56a470cc3e91abeb18cdf9d0b38dff16f3b7d25af9d78
• ibm-cloud-controller-manager git c566572b sha256:18375458cdd1aab24f02a234f089d7fa8b9ef457d47124aa401c21dabe6231d7
• ibm-vpc-block-csi-driver git 8fe7dafc sha256:de4d078c82de02a6c294c427c17fe4aad7b655a8775efd469dad93f0edeb102f
• ibm-vpc-block-csi-driver-operator git 00bc7407 sha256:4d2ae7cea012205ffa433cf077ece1610422a3d596046da09e8be0597f2fc79b
• ibmcloud-cluster-api-controllers git f7e3ec30 sha256:e8956bd7b56d80b024a1774a3415645dcaed2c30edf55d9a962763de399cf196
• insights-operator git a6cc2a3f sha256:cee1cd1aa90eaf7ea9485680c2b5429439664091b82be68f981a15071c30717a
• ironic-machine-os-downloader git 707c2262 sha256:c3ceb0c44627f7e87c05f35b1d690a8bfab3bfa0868f916a92aafd3f969bdebc
• kube-metrics-server git ed76a5e8 sha256:b014c1384e7b652d49a1a250cfcfcc6fe8b8189fcbb7dcf60f8690a65b621ad5
• kube-rbac-proxy git cd636680 sha256:db030f099778c59611b6d6c1f5a5b48d09d7f2cb67ef9d0f32a6bd425b66ebcf
• kube-state-metrics git cb0aa591 sha256:91b2156c366522f74a6199fbe5e56ea59f1559e4300d948c03761dc8bf4af2ae
• kube-storage-version-migrator git ce5ff17e sha256:ae0e39048a589e0acfc4eabac5842fcb071ad67cf9417152fe6e88db3566d6ef
• kubevirt-cloud-controller-manager git 1e6fdd66 sha256:6fdddfc6d23736d0ffb346d6c2d31d296795f8a00e320db90a3a8f9ae8c8c5d5
• libvirt-machine-controllers git 76effeca sha256:05e4abb556c9a32f366dd8431ca25f250071a7de4ddf0233038ebb3956789182
• machine-api-operator git 83936dde sha256:ddbbc131f1ca57a24cf7fad3b060f8bb9d5e950335985f29775f7d600d1ce076
• machine-os-images git 9a8e96a6 sha256:4dcc5f7b3a2baa73a53cc33a4611663fa241051887b951fe5bc5de4e61b863ac
• metallb-frr git c82bfaad sha256:91e6445d28d53ee50b890c2e465845369253854ae2f153b2862832014cc7a224
• multus-admission-controller git d95feb67 sha256:9d3bfe1462cf09b25d86c42a29468d9e0ea669475ed2b2b1b54710e883770242
• multus-cni git 93556f99 sha256:b344d3f9c670f8d5c872d2baef929a15f55f95a43b874297bba8277b18937890
• multus-cni-microshift git 93556f99 sha256:12ef29c4f6a511be31d5334f68b34068de147c4e716f4ae35c82b5acd076237a
• multus-networkpolicy git e9f2f3c7 sha256:2edc17ae7a52a4a73e6418279ae2ba14651e824e2b877a2bded62da7bd3c8cbf
• multus-route-override-cni git 08af4127 sha256:1cd182232ab762e139beed617a3582feebbaf3417f5bb0f5056b078ff4af2298
• multus-whereabouts-ipam-cni git d691040e sha256:3adf923d9acbbd1c928cce7086c3316783dc2ef7e3ec1d1d465447d8c92ad320
• must-gather git b4b434c4 sha256:a743f7b460c92d4167293e1d53e593dd3ec5caed9dab6d362c66fab350a0afc0
• network-interface-bond-cni git 297eeb43 sha256:80941bffedb7d68e5e3e494040e0c7cdb2770a9110bced344a2bf1ff6ce6b22a
• network-metrics-daemon git 844fa588 sha256:844d085dd63a6a96b18815e0d23e32fc641904c10e2aec98b97a40c3df5c1cfe
• network-tools git d6717e45 sha256:507fea93b41cf692fab6197ab59890e0fa1e0f9a55865cef0473b7f55214ee01
• nutanix-cloud-controller-manager git 33b7bec6 sha256:81179d94b3cf6e0eda52f76aec81c96fa21da8d117e9cc6aa29e46dafc6c9b77
• nutanix-machine-controllers git b15a665c sha256:73946acb43e65f2df02d0e9da30a08e43913229f472af94113ff3c2317dadedc
• oauth-apiserver git 71c41b2d sha256:15cf433c85c17ece6f169bccb221e13b2b6249c0d11d4e495b6fb3af76a4e327
• oauth-proxy git 7f518c02 sha256:bd59d8b888c8a0c38f48ca78d8164b55833a333c6dfed81b731e07cd48ff0054
• oauth-server git 2b818359 sha256:85e099be915d8747fae32400210badef9d683ee22573aa2c99d14502ac143dc8
• oc-mirror git 12f1b068 sha256:2045ed1d11704339cd1aa7d61ca8cc740ec9c3727f6f44dae8a2f7907c06b66b
• openshift-apiserver git 64dea074 sha256:909fe3dcca2dac05d45dec6f7a914bdae3a33c40a58ac080a690218a4ecbdb7f
• openshift-controller-manager git 438d52e7 sha256:d473e6fd6cb76a6cef5350ca982eb9f5cc48538071fedde33ed5290d2d2aa4fc
• openshift-state-metrics git ab605a4b sha256:70b32fb71be76dc4276c3928d7c1ab3530b869d3494f50297f76b3404e45ade9
• openstack-cinder-csi-driver git bf508c06 sha256:b85b686eae7927133bd4edf5ecb5b1a9f4011bc6320b59aa5908fc72ad0eb851
• openstack-cloud-controller-manager git bf508c06 sha256:fdf6b5f5ebe8d511427cb7e5bbb02f018af2c480687b07a9676da7801b0c2500
• openstack-cluster-api-controllers git e1c0f2f9 sha256:25de7bd7ff3175d1dcb7032521049283bfbc19d9c607dabd3899b935b5d8dbfc
• openstack-machine-api-provider git b1fdb10f sha256:43bddf7c301fb187de6cf86bd871be72c693a3363d8cc6521fac11bcd2ede1d0
• openstack-resource-controller git 70f5ad34 sha256:8a89162d602bede7fb31713816448d13ee9a80ebd95533a23596c9f4c5a6b56f
• operator-marketplace git efb1a1ea sha256:c54326f1eec106fe04e42adef7170881778c1e249ab8fafad55a28d891937ae9
• powervs-block-csi-driver git 791e12ab sha256:a67af630b6141ff914085e460a240bf3c81b4240775d694e31861e4683289b4a
• powervs-cloud-controller-manager git 969a04e9 sha256:7a381df70d92080e84695228cf34e85396dc684fe35df8bab8ab91a2e591afc6
• powervs-machine-controllers git 551974ef sha256:2c5ddb6644c22b85184144daed59a3d2527a00f1f728349f173290e7cdb38d3e
• prom-label-proxy git 610c11b5 sha256:053c6d235f37f3b3bcb2168d3d5504005818fd96b320e97291ad3b4ed580b4b8
• prometheus git 59769d91 sha256:9a6b8414029ddcd5c897435fdc79145a8d2504cb6179b7f9e41749b8e542670b
• prometheus-alertmanager git 3dbe0b64 sha256:3aee034f7737b55d508a4cefd9b49493e7ce5d31f3dc16d2028edae99bb97fcc
• prometheus-config-reloader git 3de9763f sha256:c167cb554214688e6cb9f1694da1068c430dc59a060ce75a8627dc274a05e174
• prometheus-node-exporter git 39d72873 sha256:3ed9ee7fa48696573712c900e3276b5cc2be693b6d492fdb3a962623801df7f6
• prometheus-operator git 3de9763f sha256:434defaefd21ebbdd137760ea2d52299717d30ab65bd06b0808a39388aa861d0
• prometheus-operator-admission-webhook git 3de9763f sha256:b96aeadc8d4f91fa614d4f53d2b2c89375da25dad3673a79c10b261434c272be
• route-controller-manager git 559b7122 sha256:d35cc8ec80a250d40d23297dae6873ec7bddff4d718c86cff212fd04022d96e3
• service-ca-operator git e9622ba1 sha256:843dc5055abeb14c66609020048a0af73cb69118aa9c574c273b5928a88bfa9f
• telemeter git a54acdfe sha256:3d0864df915064834840e325e1258d21016d7cb7f3de00fea536e5ed3cd1a785
• thanos git 6ea20ffa sha256:eef665c2f1146056f03afeaec40fe9c7f1e3d2a675b37f2e5a21a5083645f52c
• volume-data-source-validator git 8b929332 sha256:2d7615bec6ffcce11e749aa1d44fd83ac7310b5a38eb2df87ea2fc8904dd099e
• vsphere-cloud-controller-manager git f69584d6 sha256:392fc1a881007468b70c949f4e23bcf46f08603e9008783fe4d7d4bbad48ba5f
• vsphere-cluster-api-controllers git 6626b299 sha256:7a38834af46a4169dbe7020b3d487ffb1a7634486c320f7a9eb95ef7a730b369
• vsphere-csi-driver git 5e680186 sha256:6b687e3e5158a2b2a76193cbfdee962d6032f11cd87fdf126fe93df4acaa7b10
• vsphere-csi-driver-operator git d6a19449 sha256:fb6619b9688d0fff55795656daf94b8208d84b01bee1b72b11be11267f49508a
• vsphere-csi-driver-syncer git 5e680186 sha256:bdde697ba67dcd2b4625cae8766bee633195486fc5a4f57dbc6f443fab4fc6c0
• vsphere-problem-detector git a35d685a sha256:1f1225a098137b3c84eeb6960aa3a82933abd0bbb87d36bc73246b9d648a1518

agent-installer-api-server

• OCPBUGS-79580: Fix multi-document YAML parsing for NMStateConfig #10058
• Full changelog

agent-installer-ui

• Add support for release branches in PR workflow (#3528) #3528
• populate default values in local ui from infraEnv (#3503) #3503
• Full changelog

agent-installer-utils

• OCPBUGS-81645: Update operator versions #282
• Full changelog

aws-ebs-csi-driver-operator, azure-disk-csi-driver-operator, azure-file-csi-driver-operator, csi-driver-manila-operator, openstack-cinder-csi-driver-operator

• OCPBUGS-78779: Fix readonly root fs in Azure init containers #528
• Full changelog

azure-disk-csi-driver

• OCPBUGS-78012: 4.21 rebase v1.34.2 #126
• Full changelog

baremetal-installer, installer, installer-artifacts

• OCPBUGS-79074: [release 4.21] - Allow all instance types in the install config for GCP #10417
• OCPBUGS-79378: Use correct Project ID with GCP Shared VPC #10423
• OCPBUGS-79424: Do not discard NMStateConfig when agent-config is on disk for unconfigured-ignition #10428
• OCPBUGS-79421: Fix race condition: wait for agent-register-infraenv before showing UI URL #10425
• no-jira: fix SC2328 shellcheck errors #10424
• OCPBUGS-77900: Add c8g* to tested_instance_types_aarch64 #10366
• OCPBUGS-79375: Don’t auto-calculate RendezvousIP in unconfigured-ignition #10410
• OCPBUGS-78696: [release-4.21] : Disable LoadBalancer in cloud config when Octavia is unavailable #10399
• OCPBUGS-78241: Increase timeout for waiting control plane #10383
• Full changelog

baremetal-operator

• OCPBUGS-65683: OCPBUGS-78835: PR2774 and PR2793 backports [release-4.21] #469
• Full changelog

cli, cli-artifacts, deployer, tools

• MCO-1961: Allow multiple machine-os versions #2244
• COS-4005: Allow periods in display name labels for version validation #2243
• Full changelog

cloud-credential-operator

• OCPBUGS-79367: google.golang.org/grpc v1.79.3 #993
• OCPBUGS-78199: Fix infrastructure resource name filtering in watch predicate #988
• Full changelog

cluster-autoscaler

• OCPBUGS-78684: allow clusterapi provider to skip paused resources #410
• Full changelog

cluster-baremetal-operator

• OCPBUGS-78580: Allow ProvisioningCIDR for unmanaged network #576
• Full changelog

cluster-kube-apiserver-operator

• OCPBUGS-78548: [release-4.21] : Always set service-account-jwks-uri to LB URL even with custom issuer #2071
• OCPBUGS-78784: [4.21] move event-ttl test to its own suite #2073
• Full changelog

cluster-node-tuning-operator

• OCPBUGS-81122: CNF-21333: [4.21]:perfprof: enable exec-cpu-affinity by default #1484
• OCPBUGS-76375: AA: E2E: LLC: Add tests related to odd cpus #1467
• OCPBUGS-77464: E2E: Add test case to check Infrastructure pods affinity #1476
• Full changelog

cluster-olm-operator

• OCPBUGS-76269: add resources to clusterOperator relatedObjects #170
• OCPBUGS-81311: Fix golangci-lint timeout in CI #189
• Full changelog

console

• OCPBUGS-79037: Fix useOperatorCatalogCategories hook. #16185
• OCPBUGS-81330: Fix entire app suspending to load perspective switcher icon #16226
• OCPBUGS-81488: Add robots.txt policy to console #16227
• OCPBUGS-80931: Hide filter category selector when only one filter exists #16199
• OCPBUGS-77246: AsyncComponent type improvements #16058
• OCPBUGS-79035: Fix TypeError in OLS code import to console #16184
• OCPBUGS-78799: Fix search component to not pass ALL_NAMESPACES_KEY to… #16170
• OCPBUGS-79533: enable keyboard shortcut for DataViewTextFilter #16195
• OCPBUGS-78927, OCPBUGS-78928: OLM prompts for GCP Workload Identity parameters during Kiali Operato… #16176
• OCPBUGS-78308: “Import from Git” should not force HTTPS/443 for Git providers (GitHub/GitLab/Bitbucket) #16050
• OCPBUGS-78599: Migrate InstallPlan components table to PatternFly Table #16159
• OCPBUGS-78599: Reset pagination page when changing namespace #16158
• Full changelog

console-operator

• OCPBUGS-78929: Remove orphaned console-conversion-webhook deployment and related resource #1128
• Full changelog

haproxy-router

• OCPBUGS-79374: Lower verbosity for parseIPList empty list logging #752
• Full changelog

hyperkube, kube-proxy, pod

• NO-JIRA: UPSTREAM: <carry>: Add jacobsee and jubittajohn to DOWNSTREAM_OWNERS #2636
• OCPBUGS-78991: Bump 1.34.6 to release-4.21 #2634
• Full changelog

hypershift

• OCPBUGS-81490: fix(cpo): skip router LB services for ARO HCP #8135
• OCPBUGS-77966: fix: global-pull-secret-syncer pod ~15-minute delay scheduling on new nodes #8129
• OCPBUGS-81287: fix(release): allow multiple machine-os component versions #8103
• OCPBUGS-81285: fix(releaseinfo): allow periods in version display name regex #8102
• OCPBUGS-78933: fix(cpo): Don’t remove HCP Ingress from routes when CapabilityRoute is disabled #8014
• CNTRLPLANE-3006: Azure web identity webhook 4.21 #7997
• OCPBUGS-78957: fix(hostedcluster): Remove referenced resource annotations regardless of hcp status #7975
• OCPBUGS-78473: Fix deadlock when changing release image during initial provisioning #7954
• Full changelog

ibmcloud-machine-controllers

• OCPBUGS-77445: [release-4.21] bump vpc go sdk #81
• NO-JIRA: Modernize test infrastructure to align with other MAPI providers #84
• Full changelog

insights-runtime-exporter, insights-runtime-extractor

• Updating ose-insights-runtime-exporter-container image to be consistent with ART for 4.21 #75
• Updating ose-insights-runtime-exporter-container image to be consistent with ART for 4.21 #71
• Updating ose-insights-runtime-extractor-container image to be consistent with ART for 4.21 #72
• Revert “Bump Go to 1.25” #73
• Bump Go to 1.25 #70
• Full changelog

kubevirt-csi-driver

• OCPBUGS-79038: Add annotation-based fallback for infra VM node ID resolution #83
• Full changelog

machine-config-operator

• OCPBUGS-79482: Skip boot image updates until cluster is stable #5804
• OCPBUGS-79426: Update AMI Whitelist #5798
• OCPBUGS-79372: set default-timeout-stop to 200s globally #5793
• OCPBUGS-78800: Re-order logger setting to eliminate race condition #5779
• Full changelog

machine-image-customization-controller

• OCPBUGS-78536: Return error when network data Secret lacks nmstate key #171
• Full changelog

monitoring-plugin

• OCPBUGS-78358: fix for CVE-2025-69873 #845
• Full changelog

olm-catalogd, olm-operator-controller

• OCPBUGS-79059: update OCP-75441 to support multi-arch[release-4.21] #671
• Full changelog

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

• OCPBUGS-79398: Fix SA restore resourceVersion conflict error #1266
• OCPBUGS-79400: Fix nil pointer dereference in sortUnpackJobs when sorting non-failed jobs #1265
• OCPBUGS-79380: enhance case to make it pass per test bundle change #1263
• OCPBUGS-78558: Re-Apply Fix admin context race condition in parallel tests #1261
• Full changelog

ovn-kubernetes, ovn-kubernetes-microshift

• OCPBUGS-77257, OCPBUGS-78094: Branch Sync release-4.22 to release-4.21 [03-23-2026] #3080
• OCPBUGS-78771: Branch Sync release-4.22 to release-4.21 [03-11-2026] #3050
• Full changelog

powervs-block-csi-driver-operator

• Updating ose-powervs-block-csi-driver-operator-container image to be consistent with ART for 4.21 #107
• OCPBUGS-80853: Fix CVE-2026-33186 by bumping google.golang.org/grpc to v1.79.3 #106
• Full changelog

stream-coreos, stream-coreos-extensions

• - [release-4.21] extensions: Add rhel-9.6-server-ose-4.21 #1914
• NO-JIRA: [release-4.21] extensions: Fix repo name to match 4.21 #1913
• Full changelog

tests

• OCPBUGS-78780: changed http to https for three places to reduce test false positives and false negatives #30902
• OCPBUGS-79365: Verify etc pod should start with oom_score_adj as system-node-critical #30916
• Full changelog

---

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release: 4.21.0-okd-scos.94.21.0-okd-scos.84.21.0-okd-scos.74.21.0-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───5.0.0-0.okd-scos-nightly-2026-04-08-1006455.0.0-0.okd-scos-nightly-2026-04-07-2206455.0.0-0.okd-scos-nightly-2026-04-07-1006455.0.0-0.okd-scos-nightly-2026-04-03-0817135.0.0-0.okd-scos-nightly-2026-04-02-1034235.0.0-0.okd-scos-nightly-2026-04-01-2234235.0.0-0.okd-scos-nightly-2026-04-01-103423───5.0.0-0.okd-scos-2026-02-24-143251───4.23.0-0.okd-scos-nightly-2026-03-09-153314───4.23.0-0.okd-scos-2026-03-09-153314───4.22.0-0.okd-scos-nightly-2026-04-07-2255574.22.0-0.okd-scos-nightly-2026-04-07-1007114.22.0-0.okd-scos-nightly-2026-04-03-1443324.22.0-0.okd-scos-nightly-2026-04-02-1848594.22.0-0.okd-scos-nightly-2026-04-02-0648594.22.0-0.okd-scos-nightly-2026-04-01-1735154.22.0-0.okd-scos-nightly-2026-03-13-0922554.22.0-0.okd-scos-nightly-2026-03-12-2122554.22.0-0.okd-scos-nightly-2026-03-12-0922554.22.0-0.okd-scos-nightly-2026-03-11-165010───4.22.0-0.okd-scos-2026-04-08-0136464.22.0-0.okd-scos-2026-04-07-1336464.22.0-0.okd-scos-2026-04-07-0136464.22.0-0.okd-scos-2026-04-06-1336464.22.0-0.okd-scos-2026-04-05-2139254.22.0-0.okd-scos-2026-04-05-093924───4.21.0-0.okd-scos-nightly-2026-04-08-0141074.21.0-0.okd-scos-nightly-2026-04-03-1259194.21.0-0.okd-scos-nightly-2026-04-02-0141484.21.0-0.okd-scos-nightly-2026-04-01-1341484.21.0-0.okd-scos-nightly-2026-04-01-011820───4.21.0-0.okd-scos-2026-04-08-0128194.21.0-0.okd-scos-2026-04-07-1328194.21.0-0.okd-scos-2026-04-07-0128194.21.0-0.okd-scos-2026-04-06-1328194.21.0-0.okd-scos-2026-04-06-012819───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───4.15.0-0.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───4.22.0-okd-scos.ec.104.22.0-okd-scos.ec.94.22.0-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

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