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Download installer and client with:

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

Team Approvals:

Tests:

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

Upgrades from:

• 4.21.0-okd-scos.ec.9 - F F F
• 4.20.0-okd-scos.11 (changes) - Success

---

Changes from 4.21.0-okd-scos.ec.9

Created: 2025-12-01 12:09:01 +0000 UTC

Image Digest: sha256:e63aa0e04bb4e8ba4a53cbfb91510838d1a57adf072373c5163634242a3abb55

Release 4.21.0-okd-scos.ec.10 was created from registry.ci.openshift.org/origin/release-scos:4.21.0-0.okd-scos-2025-11-30-090822

Components

• Kubectl 1.34.1
• Kubernetes upgraded from 1.34.1 to 1.34.2
• Kubernetes Tests 1.34.1
• CentOS Stream CoreOS 10.0.20251113-0

  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
ImageStreamImportMode (0 tests)	Enabled (Changed)	Enabled (Changed)	Enabled	Enabled	Enabled	Enabled
NewOLMBoxCutterRuntime (0 tests)	Disabled	Disabled	Disabled	Disabled (Changed)	Disabled	Disabled (Changed)

Rebuilt images without code change

• driver-toolkit git 5c53d757 sha256:d8a0b939f6ec6c9570e153d7af669e987529d0ac699507a71f5c51945de7ca15

agent-installer-api-server

• MGMT-22280: remove loki dependency from logging op #8458
• NO-ISSUE: [master] Bump OCP versions: 4.18 #8456
• NO-ISSUE: [master] Bump OCP versions: 4.20 #8454
• MGMT-22280: new logging operators (loki, logging) #8445
• NO-ISSUE: Update go.mod Hive dependency to 715614a9f379395dbb5b5091276ec59cacfd0599 #8450
• NO-ISSUE: [master] Bump OCP versions: 4.14, 4.19 #8442
• MGMT-22193: Fix dual-stack BMH NIC creation to support multiple NICs per interface #8426
• MGMT-22292: Add url label #8425
• And 1 elided commits (e.g. from squash or rebase merges)
• Full changelog

agent-installer-csr-approver, agent-installer-orchestrator

• AGENT-1216: copy registry data to disk in ABI/Appliance flow #1359
• MGMT-22292: Add url label #1375
• Full changelog

agent-installer-node-agent

• MGMT-22292: Add url label #1208
• 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

• NO-JIRA: Migrate away from deprecated ioutil #474
• CNTRLPLANE-1285: enable readOnlyRootFilesystem #419
• Full changelog

aws-machine-controllers

• CORS-4277: Ensure Throughput setting is honoured on gp3 volumes #155
• Full changelog

azure-file-csi-driver

• OCPBUGS-65555: UPSTREAM: 2860: fix: CreateVolume to return actual provisioned capacity after rounding #110
• Full changelog

baremetal-installer, installer, installer-artifacts

• OSASINFRA-3965: Update cluster-api-provider-openstack to v0.13.0 #10090
• TRT-2440: Revert #9945 “CORS-4212: AWS: Add the ability to configure throughput on GP3 volumes” #10131
• OCPBUGS-65938: increase IAM waiter timeout and remove custom delay options #10124
• Full changelog

baremetal-runtimecfg

• OCPBUGS-59477: Add deterministic sorting for addresses with identical priority #372
• OCPBUGS-63709: dynkeepalived: Watch debug logging ConfigMap #371
• Full changelog

cli, cli-artifacts, deployer, tools

• OCPBUGS-63189: Unify ErrAlreadyExists to correctly match #2155
• OCPBUGS-59774: Update documentation of oc adm must-gather timeout flag #2154
• Full changelog

cloud-credential-operator

• OCPBUGS-63714: ccoctl azure: retry custom role creation on consistency errors #944
• Full changelog

cluster-authentication-operator

• API-1835: test/oauth-server-configobserver: adds a test to show which input resources are required to run the operator and the configObserver controller #785
• NO-JIRA: om: add a test for the oauth-apiserver controller #811
• Full changelog

cluster-baremetal-operator

• METAL-1104: support specifying CA to verify BMC connections #527
• METAL-1351: Add readOnlyRootFilesystem flag to baremetal containers deployed using CBO #497
• METAL-1664: Remove regular cluster profile from hostedcluster CBO deployment #529
• Full changelog

cluster-capi-operator

• NO-JIRA: Update OWNERS, adding stephenfin #414
• Full changelog

cluster-config-api

• OCPBUGS-65819: fix ClusterMonitoring CRD plural name #2588
• CORS-4281: Remove the GCP Service Endpoints #2576
• MULTIARCH-5190: Promote ImageStreamImportMode to default #2266
• (OLMv1) Update EP link for SingleOwnNamespace feature #2572
• OPRUN-4281: Disable OLMv1 Boxcutter FeatureGate #2602
• AGENT-1330: machineconfiguration/v1alpha1: add InternalReleaseImage #2510
• Full changelog

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Node Image Info

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Unable to show node image info: failed to query RPM list for quay.io/okd/scos-release@sha256:e63aa0e04bb4e8ba4a53cbfb91510838d1a57adf072373c5163634242a3abb55

View changelog in Markdown or change previous release: 4.21.0-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───4.22.0-0.okd-scos-2025-11-26-123929───4.21.0-0.okd-scos-2025-12-15-0847564.21.0-0.okd-scos-2025-12-14-1409334.21.0-0.okd-scos-2025-12-14-0148484.21.0-0.okd-scos-2025-12-13-1232004.21.0-0.okd-scos-2025-12-13-003200───4.20.0-0.okd-scos-2025-12-15-1221144.20.0-0.okd-scos-2025-12-14-1822054.20.0-0.okd-scos-2025-12-12-1643294.20.0-0.okd-scos-2025-12-12-0443284.20.0-0.okd-scos-2025-12-11-1643274.20.0-0.okd-scos-2025-12-11-044326───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───4.20.0-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───4.15.0-0.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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