Changelog for Kubernetes 1.27

Versions

The deployed Kubernetes version varies based on when your cluster is deployed. We try deploying cluster using the latest patch release of Kubernetes.

Current release is Kubernetes 1.27.10

Major changes

• Removed API CSIStorageCapacity storage.k8s.io/v1beta1. The replacement storage.k8s.io/v1 was implemented in Kubernetes 1.24

APIs removed in Kubernetes 1.29

More details can be found in Kubernetes official documentation.

• Flow control flowcontrol.apiserver.k8s.io/v1beta2. The replacement flowcontrol.apiserver.k8s.io/v1beta3 was implemented in Kubernetes 1.26

Other noteworthy deprecations

Kubernetes beta topology labels on nodes are deprecated and will be removed in a future release. You can follow the list below to see which labels are being replaced:

Please note: The following changes does not have a set Kubernetes release. However, the replacement labels are already implemented.

• beta.kubernetes.io/instance-type -> node.kubernetes.io/instance-type
• beta.kubernetes.io/arch -> kubernetes.io/arch
• beta.kubernetes.io/os -> kubernetes.io/os
• failure-domain.beta.kubernetes.io/region -> topology.kubernetes.io/region
• failure-domain.beta.kubernetes.io/zone -> topology.kubernetes.io/zone

Is downtime expected

The cluster is expected to be up and running during the upgrade however pods will restart when being migrated to a new node.

Known issues

Custom node taints and labels lost during upgrade

All custom taints and labels on worker and control-plane nodes are lost during upgrade.

Snapshots are not working

There is currently a limitation in the snapshot controller not making it topology aware.