Announcing Istio 1.18.3

This release contains bug fixes to improve robustness.

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

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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)