Which Kubernetes API version is included by each OpenShift 4 release?

Solution Verified - Updated

Environment

  • Red Hat OpenShift Container Platform (RHOCP)
    • 4
  • Kubernetes

Issue

  • What Kubernetes versions are used by each version of OpenShift 4?
  • There is an article for OpenShift 3 with info about k8s versions used. What versions of k8s are used by OpenShift 4?

Resolution

Information about the Kubernetes version used by each OpenShift version can be found in the About this release section of the Release Notes (change the version to see the release notes for different OpenShift releases).

There is additional information about the version of different components and tested integrations for OpenShift 4 in the Tested Integrations page.

For convenience, the following table is also provided:

OpenShift VersionKubernetes Version
4.201.33
4.191.32
4.181.31
4.171.30
4.161.29
4.151.28
4.141.27
4.131.26
4.121.25
4.111.24
4.101.23
4.91.22
4.81.21
4.71.20
4.61.19
4.51.18
4.41.17
4.31.16
4.21.14
4.11.13

Root Cause

Information about the Kubernetes version used by each OpenShift version can be found in the Release Notes for every release.

Diagnostic Steps

It is possible to check the Kubernetes version from a given cluster with the following command:

$ oc version
Client Version: 4.14.53
Kustomize Version: v5.0.1
Server Version: 4.14.53
Kubernetes Version: v1.27.16+03a907c
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