1.18.3 release notes (istio#13856)

content/en/news/releases/1.18.x/announcing-1.18.3/index.md

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+---
+title: Announcing Istio 1.18.3
+linktitle: 1.18.3
+subtitle: Patch Release
+description: Istio 1.18.3 patch release.
+publishdate: 2023-09-12
+release: 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.
+
+{{< relnote >}}
+
+## 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](https://github.com/istio/istio/issues/46087))
+
+- **Fixed** `health_checkers` EnvoyFilter extensions not being compiled into the proxy.
+  ([Issue #46277](https://github.com/istio/istio/issues/46277))
+
+- **Fixed** an issue that Istio should prefer `IMDSv2` on AWS.
+  ([Issue #45825](https://github.com/istio/istio/issues/45825))
+
+- **Fixed** an issue where the creation of a Telemetry object without any providers throws the IST0157 error.
+  ([Issue #46510](https://github.com/istio/istio/issues/46510))
+
+- **Fixed** `meshConfig.defaultConfig.sampling` is ignored when there are only default providers.  ([Issue #46653](https://github.com/istio/istio/issues/46653))
+
+- **Fixed** an issue causing mesh configuration to not be properly synced, typically resulting in a misconfigured trust domain.
+  ([Issue #45739](https://github.com/istio/istio/issues/45739))