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4.21.0-0.okd-scos-2025-12-14-140933

Download installer and client with:

oc adm release extract --tools registry.ci.openshift.org/origin/release-scos:4.21.0-0.okd-scos-2025-12-14-140933
Team Approvals:

Tests:

Upgrades from:

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Changes from 4.21.0-0.okd-scos-2026-01-09-032616

Created: 2025-12-14 14:13:04 +0000 UTC

Image Digest: sha256:4bfe39b166cc82a8c62f5e7cc6c98620e0816c73d036e1833ee13b6a4c666e3a

Components

FeatureGate Changes

FeatureGate Default
Hypershift
Default
SelfManagedHA
DevPreviewNoUpgrade
Hypershift
DevPreviewNoUpgrade
SelfManagedHA
OKD
Hypershift
OKD
SelfManagedHA
TechPreviewNoUpgrade
Hypershift
TechPreviewNoUpgrade
SelfManagedHA
TranslateStreamCloseWebsocketRequests
(0 tests)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(New)
Unconditionally Enabled
(New)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
OpenShiftPodSecurityAdmission
(0 tests)
Enabled
(Changed)
Enabled
(Changed)
Enabled Enabled Enabled
(New)
Enabled
(New)
Enabled Enabled

Removed images

Rebuilt images without code change

baremetal-installer, installer, installer-artifacts

cluster-config-api

hypershift

machine-config-operator

tests


Node Image Info

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Package List

Full list (574 packages)

Changed:

Removed:

Added:

Extensions

Full list (48 packages)


CentOS Stream CoreOS base layer: 10.0.20251113-0

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