Istio Version Support Mechanism

This section describes the Istio version support mechanism of Application Service Mesh (ASM).

Mesh maintenance
ASM supports the maintenance of a maximum of three major Istio versions at the same time. Assume that v1.17, v1.15, and v1.13 are maintained. After v1.18 is commercially available, v1.13 will be suspended.

After a mesh is upgraded, it cannot be rolled back to the source version.

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