Upgrade Istio

Upgrade, downgrade, and manage Istio across multiple control plane revisions.

Canary Upgrades

Upgrade Istio by first running a canary deployment of a new control plane.

In-place Upgrades

Upgrade or downgrade Istio in place.

Upgrade with Helm

Instructions to upgrade Istio using Helm.

Upgrading across more than two minor versions (e.g., 1.6.x to 1.9.x) in one step is not officially tested or recommended.