Announcing Istio 1.29.1

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Announcing Istio 1.29.1

Istio • March 10, 2026

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This release contains security fixes. This release note describes what’s different between Istio 1.29.0 and 1.29.1.

Things to know and prepare before upgrading.

Download and install this release.

Visit the documentation for this release.

Inspect the full set of source code changes.

For more information, see ISTIO-SECURITY-2026-001 .

The full story

This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Istio Releases Security Updates for Versions 1.27.8 and 1.29.1 Istio has released updates 1.27.8 and 1.29.1, both containing critical security fixes. Users are advised to upgrade to these versions to mitigate vulnerabilities detailed in ISTIO-SECURITY-2026-001. 2 sources 28

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