Cloud Service Mesh support for the in-cluster ISTIOD control plane on Google Kubernetes Engine (GKE) on Google Cloud is...

Cloud Service Mesh support for the in-cluster ISTIOD control plane on Google Kubernetes Engine (GKE) on Google Cloud is deprecated as of September 28, 2026, and support will end on March 1, 2028. After March 1, 2028, in-cluster control plane components on GKE will not receive updates, security patches, or support from Google Cloud.

Cloud Service Mesh with the in-cluster ISTIOD control plane on Google Distributed Cloud (software only) continues to be supported as described in Supported platforms.

You must migrate your clusters to managed Cloud Service Mesh by March 1, 2028. review the Supported features to confirm feature compatibility, and follow the migration guide to transition to managed Cloud Service Mesh with the TRAFFIC_DIRECTOR control plane.

For more details on the deprecation schedule, see Deprecations.