Cloud Service Mesh Adds EnvoyFilter Support and API Status Codes
Managed Cloud Service Mesh now supports a limited EnvoyFilter API implementation via the TRAFFIC_DIRECTOR, enabling advanced features like local rate limiting for data planes. Additionally, it can report status codes for Istio API acceptance or rejection, visible on resource and mesh state. These updates primarily benefit engineers and architects managing service meshes, providing greater control and visibility.
Notes (2) ›
- Cloud Service Mesh
Managed Cloud Service Mesh using the TRAFFIC_DIRECTOR implementation in the stable channel now supports a limited implementation of the EnvoyFilter API. To learn about the supported fields, extensions, and how to use EnvoyFilter for features like local rate limiting see Data plane extensibility with EnvoyFilter . To troubleshoot any issue while configuring, see Resolving data plane extensibility issues .
- Cloud Service Mesh
Cloud Service Mesh can now report a status code to indicate whether an Istio API is accepted or rejected. You can view the status code on the resource and mesh state. For more information see MembershipState Error Codes .
https://docs.cloud.google.com/release-notes#May_20_2026
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