Announcing Istio 1.20.2

This release note describes what’s different between Istio 1.20.1 and 1.20.2.

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Changes

• Added configurable scaling behavior for Gateway HorizontalPodAutoscaler in the helm chart. (usage)

• Fixed a bug where overlapping wildcard hosts in a VirtualService produces incorrect routing configurations when wildcard services were selected (e.g. in ServiceEntry). (Issue #45415)

• Fixed an issue where Istio was performing additional XDS pushes for StatefulSets and headless Service endpoints while scaling. (Issue #48207)

• Fixed an issue where the Istio injection webhook may be modified in dry-run mode. (Issue #48241)

• Fixed an issue if DestinationRule's exportTo includes workload's current namespace (not '.'), other namespaces are ignored from exportTo. (Issue #48349)

• Fixed an issue where the QUIC listeners were not correctly created when dual-stack is enabled. (Issue #48336)

• Fixed an issue where istioctl proxy-config ecds didn't display all EcdsConfigDump.

• Fixed an issue where new endpoints may not be sent to proxies. (Issue #48373)

• Fixed an issue where installing with Stackdriver and using custom configurations would prevent Stackdriver from being enabled.

• Fixed an issue where long-lived connections, TCP bytes and gRPC, could result in a proxy memory leak.