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Download installer and client with:

oc adm release extract --tools registry.ci.openshift.org/origin/release-scos:4.21.0-0.okd-scos-nightly-2026-03-09-105806

Team Approvals:

Tests:

• Blocking jobs
  • aws Succeeded periodic-ci-openshift-release-main-okd-scos-4.21-e2e-aws-ovn
• Informing jobs
  • agent-single-node-ipv6 Succeeded periodic-ci-openshift-release-main-okd-scos-4.21-e2e-agent-single-node-ipv6
  • aws-ovn-techpreview Succeeded (2 retries) periodic-ci-openshift-release-main-okd-scos-4.21-e2e-aws-ovn-techpreview

    • Attempt 1 Failed
    • Attempt 2 Failed
    • Attempt 3 Succeeded
  • aws-upgrade Succeeded periodic-ci-openshift-release-main-okd-scos-4.21-e2e-aws-ovn-upgrade
  • aws-upgrade-minor Succeeded periodic-ci-openshift-release-main-okd-scos-4.21-upgrade-from-okd-scos-4.20-e2e-aws-ovn-upgrade
  • gcp Succeeded periodic-ci-openshift-release-main-okd-scos-4.21-e2e-gcp
  • vsphere Failed periodic-ci-openshift-release-main-okd-scos-4.21-e2e-vsphere-ovn

Upgrades from:

• 4.21.0-0.okd-scos-nightly-2026-03-07-110856 - Success
• 4.20.0-0.okd-scos-2026-02-07-001639 (changes) - Success

---

Changes from 4.21.0-0.okd-scos-nightly-2026-03-07-110856

Created: 2026-03-09 11:04:36 +0000 UTC

Image Digest: sha256:9510a80fb7dc9ec8e088255a425b5166a31108cf53976ac51ab41e40c4ee1b21

Components

• Kubectl 1.34.1
• Kubernetes 1.34.4
• Kubernetes Tests 1.34.1
• CentOS Stream CoreOS 10 10.0.20260302-0

cluster-monitoring-operator

• OCPBUGS-77908: [release-4.21] add app.kubernetes.io/part-of=openshift-monitoring label to thanos-ruler pod #2840
• Full changelog

cluster-version-operator

• OCPBUGS-77256: Implement mTLS authentication and authorization for CVO metrics endpoint #1326
• Full changelog

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

• OCPBUGS-77712: Update NetworkPolicy egress to support HyperShift custom API ports #1246
• Full changelog

operator-marketplace

• OCPBUGS-77580: Update NetworkPolicy egress to support HyperShift custom API ports #729
• Full changelog

---

View changelog in Markdown or change previous release: 4.21.0-0.okd-scos-nightly-2026-03-07-1108564.21.0-0.okd-scos-nightly-2026-03-06-2308564.21.0-0.okd-scos-nightly-2026-03-06-1108564.21.0-0.okd-scos-nightly-2026-03-05-171409───5.0.0-0.okd-scos-nightly-2026-03-09-1943105.0.0-0.okd-scos-nightly-2026-03-09-0743105.0.0-0.okd-scos-nightly-2026-03-08-1943105.0.0-0.okd-scos-nightly-2026-03-08-0728295.0.0-0.okd-scos-nightly-2026-03-07-1928295.0.0-0.okd-scos-nightly-2026-03-07-072829───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-2026-03-09-1511434.22.0-0.okd-scos-nightly-2026-03-09-0155184.22.0-0.okd-scos-nightly-2026-03-08-0727304.22.0-0.okd-scos-nightly-2026-03-07-1927304.22.0-0.okd-scos-nightly-2026-03-07-0624004.22.0-0.okd-scos-nightly-2026-03-06-1315344.22.0-0.okd-scos-nightly-2026-03-05-1228054.22.0-0.okd-scos-nightly-2026-03-05-0028054.22.0-0.okd-scos-nightly-2026-03-04-1228054.22.0-0.okd-scos-nightly-2026-03-04-0028054.22.0-0.okd-scos-nightly-2026-03-03-110247───4.22.0-0.okd-scos-2026-03-09-1604334.22.0-0.okd-scos-2026-03-09-0404334.22.0-0.okd-scos-2026-03-08-1604334.22.0-0.okd-scos-2026-03-08-0223144.22.0-0.okd-scos-2026-03-07-1346254.22.0-0.okd-scos-2026-03-07-0054324.22.0-0.okd-scos-2026-03-05-1051104.22.0-0.okd-scos-2026-03-04-2251104.22.0-0.okd-scos-2026-03-04-1051104.22.0-0.okd-scos-2026-03-03-1051104.22.0-0.okd-scos-2026-03-02-225110───4.21.0-0.okd-scos-2026-03-09-1212404.21.0-0.okd-scos-2026-03-09-0012404.21.0-0.okd-scos-2026-03-07-1433404.21.0-0.okd-scos-2026-03-07-0233394.21.0-0.okd-scos-2026-03-06-143338───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───4.21.0-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

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