<commit_before>---
title: Upgrade Istio
linktitle: Upgrade
description: Upgrade, downgrade, and manage Istio accross multiple control plane revisions.
weight: 25
test: n/a
---

{{< warning >}}
Upgrading across more than one minor version (e.g., `1.6.x` to `1.8.x`) in one step is not officially tested or recommended.
{{< /warning >}}<commit_msg>Update direct upgrade warning (#10163)<commit_after>---
title: Upgrade Istio
linktitle: Upgrade
description: Upgrade, downgrade, and manage Istio accross multiple control plane revisions.
weight: 25
test: n/a
---

{{< warning >}}
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.
{{< /warning >}}
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