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Download installer and client with:

oc adm release extract --tools quay.io/okd/scos-release:4.21.0-okd-scos.6

Team Approvals:

Tests:

• Blocking jobs
  • upgrade Succeeded release-openshift-okd-scos-installer-e2e-aws-upgrade-from-scos-stable
  • upgrade-minor Succeeded release-openshift-okd-scos-installer-e2e-aws-upgrade-from-scos-stable

Upgrades from:

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

---

Changes from 4.21.0-okd-scos.5

Created: 2026-02-16 04:14:49 +0000 UTC

Image Digest: sha256:881a3bd9d181393bd979c479d4a3f92b1ad4e4b15305d7a11b1a1f24428240dd

Release 4.21.0-okd-scos.6 was created from registry.ci.openshift.org/origin/release-scos:4.21.0-0.okd-scos-nightly-2026-02-11-225844

Components

• Kubectl 1.34.1
• Kubernetes 1.34.2
• Kubernetes Tests 1.34.1
• CentOS Stream CoreOS 10 upgraded from 10.0.20260203-0 to 10.0.20260211-0

Rebuilt images without code change

• machine-os-images git 9a8e96a6 sha256:a2c778f417d1fe25f12b588cbf165c2a4cffb304fbdc18684fdd047408457381
• stream-coreos git e8f5a55a sha256:4026f681b30bed9f316ae5bd6191145b2f657a07d6dfe9daf8ff243b05f3f368
• stream-coreos-extensions git e8f5a55a sha256:3d8108cb043eed31fbd329d57dda4a62fd33f1fa5bba82e13e385393bb76032c

agent-installer-utils

• OCPBUGS-76411: Include additional operators in OVE config #253
• Full changelog

baremetal-installer, installer, installer-artifacts

• OCPBUGS-73878: handle SSH rule deletion for Azure private #10225
• OCPBUGS-76358: [release-4.21] Fix destroy bootstrap command for Azure #10293
• Full changelog

baremetal-operator

• Bug OCPBUGS-76492: BMO fails to start servicing despite updates to HFC spec #459
• Full changelog

console

• OCPBUGS-76389: Use Actions button instead of kebab menu on Subscription details page #16008
• Full changelog

hypershift

• OCPBUGS-71133: fix(ingress): clear LoadBalancerSourceRanges when AllowedCIDRBlocks is removed #7433
• OCPBUGS-74893: fix: add hypershift.openshift.io/nodepool-globalps-enabled label to be ignored in cluster-autoscaler deployment #7618
• Full changelog

ironic

• OCPBUGS-76282: Update ironic hash #780
• Full changelog

machine-config-operator

• MCO-2017: Backport OSImageStreams to 4.21 #5515
• Full changelog

oc-mirror

• OCPBUGS-74981: fix conversion issue for catalog #1346
• Full changelog

---

View changelog in Markdown or change previous release: 4.21.0-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───4.22.0-0.okd-scos-nightly-2026-02-12-1306474.22.0-0.okd-scos-nightly-2026-02-12-0106474.22.0-0.okd-scos-nightly-2026-02-11-1306474.22.0-0.okd-scos-nightly-2026-02-10-1241374.22.0-0.okd-scos-nightly-2026-02-10-0041374.22.0-0.okd-scos-nightly-2026-02-09-1241374.22.0-0.okd-scos-nightly-2026-02-09-0041374.22.0-0.okd-scos-nightly-2026-02-08-124137───4.22.0-0.okd-scos-2026-02-15-1131114.22.0-0.okd-scos-2026-02-14-2126514.22.0-0.okd-scos-2026-02-14-0926504.22.0-0.okd-scos-2026-02-13-2126494.22.0-0.okd-scos-2026-02-13-092649───4.21.0-0.okd-scos-nightly-2026-02-12-1058444.21.0-0.okd-scos-nightly-2026-02-11-2258444.21.0-0.okd-scos-nightly-2026-02-11-1058444.21.0-0.okd-scos-nightly-2026-02-10-2258444.21.0-0.okd-scos-nightly-2026-02-10-1058444.21.0-0.okd-scos-nightly-2026-02-09-225844───4.21.0-0.okd-scos-2026-02-16-0732504.21.0-0.okd-scos-2026-02-13-2237274.21.0-0.okd-scos-2026-02-13-1037274.21.0-0.okd-scos-2026-02-12-2221174.21.0-0.okd-scos-2026-02-12-102117───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.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

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