Download the installer for your operating system or run
oc adm release extract --tools registry.ci.openshift.org/ocp/release:4.21.0-0.ci-2025-08-23-071006Team Approvals:
Tests:
Upgrades from:
Loading changelog, this may take a while ...
Created: 2025-08-23 07:17:08 +0000 UTC
Image Digest: sha256:d1bb5013518e135acb94ebb9d56e828a5345b1a5c1c4643deadcc86fe66784a9
The CoreOS links above are for the base CoreOS layer used to build the OpenShift node image and do not contain OpenShift components. This is normally only useful to devs working closely with the CoreOS team. For info about the node image, see the Node Image Info section.
FeatureGate | Default Hypershift |
Default SelfManagedHA |
DevPreviewNoUpgrade Hypershift |
DevPreviewNoUpgrade SelfManagedHA |
TechPreviewNoUpgrade Hypershift |
TechPreviewNoUpgrade SelfManagedHA |
---|---|---|---|---|---|---|
InsightsRuntimeExtractor (0 tests) |
Unconditionally Enabled (Changed) |
Unconditionally Enabled (Changed) |
Unconditionally Enabled (Changed) |
Unconditionally Enabled (Changed) |
Unconditionally Enabled (Changed) |
Unconditionally Enabled (Changed) |
ImageVolume (7 tests) |
Enabled (Changed) |
Enabled (Changed) |
Enabled | Enabled | Enabled | Enabled |
SigstoreImageVerification (5 tests) |
Enabled (Changed) |
Enabled (Changed) |
Enabled | Enabled | Enabled | Enabled |
StoragePerformantSecurityPolicy (0 tests) |
Enabled (Changed) |
Enabled (Changed) |
Enabled | Enabled | Enabled | Enabled |
UpgradeStatus (1 tests) |
Enabled (Changed) |
Enabled (Changed) |
Enabled | Enabled | Enabled | Enabled |
ClusterVersionOperatorConfiguration (0 tests) |
Disabled | Disabled | Enabled | Enabled | Enabled (Changed) |
Enabled (Changed) |
sha256:0002f5996e9a2367a96626a0090bb6a147cf723f3f7e91fc2d2f8b290ab4da95
sha256:b4a448dce44a2156f39c13422073ab316011e3dea694d06de97f21101f480445
sha256:c0dd38ccd44cbb9f662dc8a1141da0a29396ab3ea11206bb50469ee674659d1e
sha256:d743a073dca05121ae4e3b62f602b98d4c0a549d1d3b9a74ea3b0097bdcc8e0c
sha256:ebb5bd8a6452ad2ced2ff82889155da49aa5011ac18e06fe8056ecb8883443ed
sha256:1578c5f720239b6f363d8dc6145056c0f0ab0b20442f59ac74f3b4b91b8382dd
sha256:56bab0cd6a692bb7021640889ca69a11d6fc6df1af210c4e24d4feef81c6d7b0
ClusterVersionOperatorConfiguration
to TechPreview #2457UpgradeStatus
to Default #2418etcdDatabaseQuotaLowSpace
” #1469toggleCloudShellExpanded
#15365UpgradeStatus
test on HyperShift #30132Loading node image info, this may take a while ...
Full list (564 packages)
Full list (162 packages)
Red Hat Enterprise Linux CoreOS base layer: 9.6.20250815-0
Source code for this page located on github