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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-2026-03-14-011731

Team Approvals:

Tests:

• Blocking jobs
  • aws Succeeded (1 retry) periodic-ci-openshift-release-main-okd-scos-4.21-e2e-aws-ovn

    • Attempt 1 Failed
    • Attempt 2 Succeeded
• 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 periodic-ci-openshift-release-main-okd-scos-4.21-e2e-aws-ovn-techpreview
  • aws-upgrade Succeeded (1 retry) periodic-ci-openshift-release-main-okd-scos-4.21-e2e-aws-ovn-upgrade

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

Upgrades from:

• 4.21.0-0.okd-scos-nightly-2026-03-13-092054 - Failed Success
• 4.20.0-0.okd-scos-2026-02-07-001639 (changes) - Success

---

Loading changelog, this may take a while ...

Changes from 4.21.0-0.okd-scos-nightly-2026-03-13-092054

Created: 2026-03-14 01:17:36 +0000 UTC

Image Digest: sha256:a326ceb1abc3404e47b1ebba7c5fb1025f5a0e4d47cf0eb26477d1510f26bda5

Components

• Kubectl 1.34.1
• Kubernetes 1.34.4
• Kubernetes Tests 1.34.1
• CentOS Stream CoreOS 10 10.0.20260307-0

Rebuilt images without code change

• agent-installer-api-server git 1574e1fa sha256:5538bcb37330037da74d7dae11040741b00b8efe8e8ab6b675657e8be78d1176
• agent-installer-ui git 479a68f3 sha256:8e0ceb175b8010326f533c14a20df0dd0fda158cce3f9ca9324719d31947d506
• console git 6bcf94ec sha256:c4421e1ab3eef52f78c317df6dde98dcae7732444dd2f16a88b610f58542f81a
• docker-builder git 48fce231 sha256:c650167defc841ba8507eda0fe603e7082a9744b9837ad242f71c507fc1377c3
• ironic git d23a6091 sha256:8c58244542b5d9181bd21f264f37c1568454423b32e1c7e0850bed846cfb1857
• monitoring-plugin git 41616e7b sha256:ea70cb05ccd19b36f8dfa2c075fb9a8d5be1103751578ecccd0eab8d987af122
• networking-console-plugin git 0e839893 sha256:59854cb2958729c3a1abf0387edc1f583eacd930112e98c4ce6125d9421208d5
• tests git 355b44bd sha256:544409926e1551e0c86d958e0205afcd4ff8be16b0e76869278a9cff895ad073

agent-installer-utils

• OCPBUGS-78393: Update Konflux release version to 4.21.5 #270
• Full changelog

cluster-network-operator

• OCPBUGS-76333: Silence ovnkube-lib.sh to avoid mass of logs to collectors #2900
• Full changelog

machine-config-operator

• OCPBUGS-78201: kubelet: Less aggressive low memory reservation #5756
• Full changelog

---

View changelog in Markdown or change previous release: 4.21.0-0.okd-scos-nightly-2026-03-13-0920544.21.0-0.okd-scos-nightly-2026-03-12-2120544.21.0-0.okd-scos-nightly-2026-03-12-0920544.21.0-0.okd-scos-nightly-2026-03-10-232552───5.0.0-0.okd-scos-nightly-2026-03-12-1455455.0.0-0.okd-scos-nightly-2026-03-11-1943105.0.0-0.okd-scos-nightly-2026-03-11-0743105.0.0-0.okd-scos-nightly-2026-03-10-1943105.0.0-0.okd-scos-nightly-2026-03-10-074310───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-2026-03-13-0922554.22.0-0.okd-scos-nightly-2026-03-12-2122554.22.0-0.okd-scos-nightly-2026-03-12-0922554.22.0-0.okd-scos-nightly-2026-03-11-1650104.22.0-0.okd-scos-nightly-2026-03-11-045010───4.22.0-0.okd-scos-2026-03-14-1916304.22.0-0.okd-scos-2026-03-14-0716304.22.0-0.okd-scos-2026-03-13-1916304.22.0-0.okd-scos-2026-03-13-0716304.22.0-0.okd-scos-2026-03-12-1916304.22.0-0.okd-scos-2026-03-12-054106───4.21.0-0.okd-scos-2026-03-14-0046574.21.0-0.okd-scos-2026-03-13-1246574.21.0-0.okd-scos-2026-03-13-0046574.21.0-0.okd-scos-2026-03-12-1246574.21.0-0.okd-scos-2026-03-12-004657───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.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───4.21.0-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

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