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copyright
years
2025, 2026
lastupdated 2026-03-02
keywords kubernetes, containers, 133, version 133, 133 update actions
subcollection containers

{{site.data.keyword.attribute-definition-list}}

1.33 version information and update actions

{: #cs_versions_133}

Review information about version 1.33 of {{site.data.keyword.containerlong}}. For more information about Kubernetes project version 1.33, see the Kubernetes change log{: external}. {: shortdesc}

This badge indicates Kubernetes version 1.33 certification for {{site.data.keyword.containerlong_notm}}{: caption="Kubernetes version 1.33 certification badge" caption-side="bottom"}

{{site.data.keyword.containerlong_notm}} is a Certified Kubernetes product for version 1.33 under the CNCF Kubernetes Software Conformance Certification program. Kubernetes® is a registered trademark of The Linux Foundation in the United States and other countries, and is used pursuant to a license from The Linux Foundation.

Release timeline

{: #release_timeline_133}

The following table includes the expected release timeline for version 1.33 of {{site.data.keyword.containerlong}}. You can use this information for planning purposes, such as to estimate the general time that the version might become unsupported. {: shortdesc}

Dates that are marked with a dagger (†) are tentative and subject to change. {: important}

Version Supported? Release date Unsupported date
1.33 Yes {{site.data.keyword.kubernetes_133_release_date}} {{site.data.keyword.kubernetes_133_unsupported_date}} †
{: caption="Release timeline for {{site.data.keyword.containerlong_notm}} version 1.33" caption-side="bottom"}

Preparing to update

{: #prep-up-133}

This information summarizes updates that are likely to have an impact on deployed apps when you update a cluster to version 1.33. For a complete list of changes, review the community Kubernetes change log{: external} and IBM version change log for version 1.33. You can also review the Kubernetes helpful warnings{: external}.

Update before master

{: #before_133}

The following table shows the actions that you must take before you update the Kubernetes master.

Type Description
Unsupported: gitRepo volume driver The gitRepo volume driver is not supported and cannot not be enabled via the GitRepoVolumeDriver feature gate. There are alternatives, such as using an EmptyDir volume mount with an init container to clone a repository by using git. For more information, see the Removal of in-tree gitRepo volume driver.
{: caption="Changes to make before you update the master to Kubernetes 1.33" caption-side="bottom"}

Update after master

{: #after_133}

The following table shows the actions that you must take after you update the Kubernetes master.

Type Description
Deprecated: Service annotation service.kubernetes.io/topology-mode The service annotation service.kubernetes.io/topology-mode is deprecated and is not graduating from beta to GA. Migrate to the service .spec.trafficDistribution field instead. This field is closely related to the service.kubernetes.io/topology-mode annotation and provides flexible options for traffic routing within Kubernetes.
Deprecated: v1 version of the Endpoints API The v1 Endpoints API is deprecated. Migrate to the discovery.k8s.io/v1 EndpointSlice API instead. For more information, see Kubernetes v1.33: Continuing the transition from Endpoints to EndpointSlices.
{: caption="Changes to make after you update the master to Kubernetes 1.33" caption-side="bottom"}