Announcing Istio 1.18.3

Istio 1.18.3 patch release.

Sep 12, 2023

This release contains bug fixes to improve robustness.

This release note describes what’s different between Istio 1.18.2 and 1.18.3.

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.

Changes

Added ability to install gateway helm chart with a dual-stack service definition.
Fixed an issue where HTTP probe’s request.host was not well propagated. (Issue #46087)
Fixed health_checkers EnvoyFilter extensions not being compiled into the proxy. (Issue #46277)
Fixed an issue that Istio should prefer IMDSv2 on AWS. (Issue #45825)
Fixed an issue where the creation of a Telemetry object without any providers throws the IST0157 error. (Issue #46510)
Fixed meshConfig.defaultConfig.sampling is ignored when there are only default providers. (Issue #46653)
Fixed an issue causing mesh configuration to not be properly synced, typically resulting in a misconfigured trust domain. (Issue #45739)