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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-2026-02-24-145626

Team Approvals:

Tests:

• Blocking jobs
  • aws Pending (2 retries) periodic-ci-openshift-release-main-okd-scos-4.21-e2e-aws-ovn
• Informing jobs
  • aws-upgrade Pending (1 retries) periodic-ci-openshift-release-main-okd-scos-4.21-e2e-aws-ovn-upgrade
  • aws-upgrade-minor Failed periodic-ci-openshift-release-main-okd-scos-4.21-upgrade-from-okd-scos-4.20-e2e-aws-ovn-upgrade

Upgrades from:

• 4.21.0-0.okd-scos-2026-02-19-115938 - Failed Pending
• 4.20.0-0.okd-scos-2026-02-07-001639 (changes) - Failed

---

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Changes from 4.21.0-0.okd-scos-2026-02-19-115938

Created: 2026-02-24 14:57:34 +0000 UTC

Image Digest: sha256:64e9c2bce997944e5411b89ba62346bd99587e2e9771f1ad788ce25c5c7d9f57

Components

• Kubectl 1.34.1
• Kubernetes upgraded from 1.34.2 to 1.34.4
• Kubernetes Tests 1.34.1
• CentOS Stream CoreOS 10 10.0.20260211-0

baremetal-runtimecfg

• OCPBUGS-77168: Install dbus-tools, needed in pkg/monitor/dnsmasqmonitor.go #383
• Full changelog

cli, cli-artifacts, deployer, tools

• OCPBUGS-77168: Install subscription-manager in required images #2208
• Full changelog

cluster-baremetal-operator

• OCPBUGS-77035: Update kubebuilder tools to more latest version #558
• Full changelog

hyperkube, installer-kube-apiserver-artifacts, kube-proxy, pod

• OCPBUGS-76516: Bump v1.34.4 #2590
• Full changelog

hypershift

• fix: OCPBUGS-74104: Fix CVE-2025-58183 #7545
• Full changelog

machine-config-operator

• OCPBUGS-76555: Remove MCD liveness probe #5651
• OCPBUGS-77072: mcd_config_drift not working properly #5675
• Full changelog

prometheus-config-reloader, prometheus-operator, prometheus-operator-admission-webhook

• OCPBUGS-74477: Validate webhookURL secret for MSTeams receiver in AlertmanagerConfig CRD #359
• Full changelog

---

View changelog in Markdown or change previous release: 4.21.0-0.okd-scos-2026-02-24-0235094.21.0-0.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───5.0.0-0.okd-scos-nightly-2026-02-24-143252───5.0.0-0.okd-scos-2026-02-24-143251───4.22.0-0.okd-scos-nightly-2026-02-24-1813244.22.0-0.okd-scos-nightly-2026-02-24-0613234.22.0-0.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-2026-02-22-061323───4.22.0-0.okd-scos-2026-02-24-1954444.22.0-0.okd-scos-2026-02-24-0754444.22.0-0.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-2026-02-21-200411───4.21.0-0.okd-scos-nightly-2026-02-24-1945374.21.0-0.okd-scos-nightly-2026-02-24-0739554.21.0-0.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───4.20.0-0.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───4.21.0-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───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.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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