4.23.0-0.nightly-2026-05-20-035737

Download the installer for your operating system or run

oc adm release extract --tools registry.ci.openshift.org/ocp/release:4.23.0-0.nightly-2026-05-20-035737

Team Approvals:

Tests:

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Upgrades from:

Upgrades to:

4.23.0-0.nightly-2026-05-20-170343 (changes) - F F P F P F S

Loading changelog, this may take a while ...

Changes from 4.23.0-0.nightly-2026-05-19-184712

Created: 2026-05-20 03:59:54 +0000 UTC

Image Digest: sha256:462198d187f63f04b1b25b7c86b12c1a36c5d04b649b54bf4706269266fa6000

Components

Kubectl 1.35.2
Kubernetes 1.35.3
Kubernetes Tests 1.35.1
Red Hat Enterprise Linux CoreOS 9.8.20260517-0

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 Changes

FeatureGate	Default Hypershift	Default SelfManagedHA	DevPreviewNoUpgrade Hypershift	DevPreviewNoUpgrade SelfManagedHA	OKD Hypershift	OKD SelfManagedHA	TechPreviewNoUpgrade Hypershift	TechPreviewNoUpgrade SelfManagedHA
NetworkObservabilityInstall (0 tests)			Enabled (New)	Enabled (New)			Enabled (New)	Enabled (New)

Rebuilt images without code change

azure-file-csi-driver git b66940c2 sha256:b1124d07f1231465dcc5ba741627647b7f6c59bce2458eeee4c76126d53b9b5c
driver-toolkit git 7aa4007a sha256:c6ef6a293153169dc80e897fe16070ec77d780b3f609f736fc93ba505f764be8
ironic-agent git 1e607137 sha256:28e7ae3ac3d2710b2b37870d259e7e3d0c0092d13d6dc5f0dd7593d5b9bdc011
ironic-machine-os-downloader git 9953d2b7 sha256:833c4a74f0724cd2b5e9e0e82c73f811495a93902db1153a657ec3b34ef7d1a6
metallb-frr git 3aee1774 sha256:ecbae64d3499fbe0c8a20138b7e1eb3d5d9a89f75dd90994296e0a7a2fb954b3
monitoring-plugin git 2647b580 sha256:9fe333502316b458d62428284bb3d12281ce745f9308cb1981bb5dab3087ad21
network-tools git 507d4f5d sha256:d75e8696112db08a2c74595481d55bce3de752d283ddcac6dbe890b8fd562bf0
networking-console-plugin git 06813546 sha256:c61d5cb8537454717f5c8e7a4c852a612e4a18b4399496d67bbf73cbe4eec3d1
rhel-coreos git f41264dc sha256:e4ae39bc99b0c73e0f6b78435bc53c142b1af44ff758e0973e45f87efcb7410c
rhel-coreos-extensions git f41264dc sha256:d68560a8ef0fb81321928c98a39f2711740fd9b9b49f0a08cb12ec8801ae3aaf
tests git 4486518a sha256:7f695d6b0a2660bd11b22812c4dbec5768c8ec6f8238d6dd020e108e54de875e
tools git a052bd40 sha256:e1cac6a1c9a2d3e6c7d9f99840c4804c9dcc9ecc92211fc4ac9f8cae18ff9f09

agent-installer-api-server

MGMT-21834: deprecate supported-platforms endpoint #10122
Full changelog

agent-installer-node-agent

NO-ISSUE: Upgrade linter #1453
Full changelog

agent-installer-ui

fix monted pull secret parsing (#3692) #3692
Full changelog

cluster-config-api

CORENET-6714: Enable Network Observability on Day 0 #2752
Full changelog

cluster-config-operator

SPLAT-2747: Updated kube cloud config controller to react to feature gate updates #489
Full changelog

cluster-ingress-operator

OCPBUGS-83923: Update grpc-go and x/net #1447
Full changelog

cluster-node-tuning-operator

NO-JIRA: E2E: remove obsolete ContainerRuntimeConfig runtime-switch test #1510
OCPBUGS-80952: perf: latency: compute memory resources dynamically #1517
Full changelog

console

CONSOLE-5280: Migrate cluster-settings Cypress tests to Playwright #16444
Full changelog

coredns

OCPBUGS-83943: Bump gRPC to v1.79.3 to resolve CVE-2026-33186 #183
Full changelog

hypershift

OCPBUGS-59142: fix ValidReleaseImage condition message to show minor version #8519
NO-JIRA: Add onboarding guide for new HCP team members #8132
OCPBUGS-85011: fix(cpo): use check-first pattern for EBS CSI operator serving cert #8418
Full changelog

ibm-cloud-controller-manager

OCPBUGS-83587: bump google.golang.org grpc v1.79.3 #106
Full changelog

machine-config-operator

MCO-2273: MCO-2215: MCO-2183: Migrate remaining TCs from mco.go to MCO, units, kublet suite #6024
AGENT-1517: disable iri-registry service on IRI delete #6041
Full changelog

machine-image-customization-controller

METAL-1730: Add stream selection for multi-version support #175
Full changelog

must-gather

CNV-41714: Add a collector for basic virt related data #539
Full changelog

network-interface-bond-cni

NO-JIRA: Fix diverged git histories via upstream merge #108
Full changelog

olm-catalogd, olm-operator-controller

OPRUN-4607: Fix flags passed to test-experimental-e2e #723
Full changelog

operator-framework-tools, operator-lifecycle-manager, operator-registry

OCPBUGS-54790: Fix packageserver PDB annotation for HyperShift #1297
OPRUN-4588: use AlwaysAllow UnhealthyPodEvictionPolicy option in PDBs #1280
Full changelog

Node Image Info

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Unable to show node image info: too many concurrent oc adm release info --rpmdb/--rpmdb-diff operations (limit 16)

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