Cloud Service Mesh 1.28 unsupported; 1.31.1, 1.30.5 and 1.29.8 patch releases available

In-cluster Cloud Service Mesh 1.28 is no longer supported. For more information and to view the earliest end-of-life dates for other versions, see Supported versions.

1.31.1-asm.19 is now available for in-cluster Cloud Service Mesh.

For details on upgrading Cloud Service Mesh, see Upgrade Cloud Service Mesh. Cloud Service Mesh 1.31.1-asm.19 uses Envoy v1.39.3.

This release resolves the security vulnerabilities listed in Security Bulletin GCP-2026-069 (ISTIO-SECURITY-2026-007).

1.30.5-asm.11 is now available for in-cluster Cloud Service Mesh.

For details on upgrading Cloud Service Mesh, see Upgrade Cloud Service Mesh. Cloud Service Mesh 1.30.5-asm.11 uses Envoy v1.38.7-dev.

This release resolves the security vulnerabilities listed in Security Bulletin GCP-2026-069 (ISTIO-SECURITY-2026-007).

1.29.8-asm.11 is now available for in-cluster Cloud Service Mesh.

For details on upgrading Cloud Service Mesh, see Upgrade Cloud Service Mesh. Cloud Service Mesh 1.29.8-asm.11 uses Envoy v1.37.9-dev.

This release resolves the security vulnerabilities listed in Security Bulletin GCP-2026-069 (ISTIO-SECURITY-2026-007).

1.28.10-asm.52 is now available for in-cluster Cloud Service Mesh.

For details on upgrading Cloud Service Mesh, see Upgrade Cloud Service Mesh. Cloud Service Mesh 1.28.10-asm.52 uses Envoy v1.36.10-dev.

This release resolves the security vulnerability listed in Security Bulletin GCP-2026-069 (ISTIO-SECURITY-2026-007).