This documentation is for the Latest version of Cloud Run for Anthos, which uses Anthos fleets and Anthos Service Mesh. Learn more.

The past version has been archived but the documentation remains available for existing users.

Available GKE cluster versions

The minor version of your Anthos cluster control plane (master) determines the version of Cloud Run for Anthos installed on your cluster.

You can monitor the release notes for announcements about Cloud Run for Anthos and cluster version support.

The following table lists the Cloud Run for Anthos version that each GKE minor version supports.

Cloud Run for Anthos version GKE control plane (master) minor version
0.22, 0.23

1.22

0.22, 0.23

1.21

0.22, 0.23

1.20

0.22, 0.23

1.19

0.22, 0.23 1.18

Determining the version of an existing cluster

To get the Cloud Run for Anthos version of an existing cluster, enter the following command:

kubectl get namespace knative-serving -o 'go-template={{index .metadata.labels "serving.knative.dev/release"}}'

The output is similar to:

v0.0.23-gke.0

Where 0.23, is the pinned Knative version for this Cloud Run for Anthos build.

Cloud Run for Anthos versions

0.23

  • References the Knative 0.23 release.

0.22

  • References the Knative 0.22 release.

Cloud Run for Anthos version release process

Each Cloud Run for Anthos release references a Knative release. A Cloud Run for Anthos release is available in the Rapid release channels one to three weeks after a version of Knative is released.

The following table describes the available Google Kubernetes Engine release channels and the Cloud Run for Anthos strategies for releasing to those channels.

Channel Cloud Run for Anthos Release Cadence Properties
Rapid Weekly Get the latest Cloud Run for Anthos release as early as possible. Gain access to new Cloud Run for Anthos features as soon as they go GA. Your cluster is frequently updated to use the latest technology.
Regular (default) 1-2 weeks after releasing in Rapid Recommended for most users. Access Cloud Run for Anthos features reasonably soon after they debut, but on a more steady and predictable release cadence. Offers a good balance of feature availability and update stability. Your cluster is upgraded 2‑3 times a month.
Stable 1-2 months after releasing in Regular. Prioritizes stability over new functionality. Changes and new versions in this channel are rolled out last, after being released on the Rapid and Regular channels. This channel allows more time for validation. Your cluster is upgraded 2‑3 times a quarter.

Cloud Run for Anthos cluster upgrade process

Your GKE clusters are automatically upgraded two to three days after a new version of GKE becomes available in your cluster's release channel, unless you have configured a maintenance window or exclusion. Subscribe to the Cloud Run for Anthos release notes and GKE release notes for announcements.