Announcing Istio 1.5.6

This release contains bug fixes to improve robustness. This release note describes what’s different between Istio 1.5.5 and Istio 1.5.6.

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Security

• Updated Node.js and jQuery versions used in bookinfo.

Changes

• Fixed Transfer-Encoding value case-sensitivity in Envoy (Envoy's issue 10041)
• Fixed handling of user defined ingress gateway configuration (Issue 23303)
• Fixed Add TCP MX ALPN in UpstreamTlsContext for clusters that specify http2_protocol_options (Issue 23907)
• Fixed election lock for namespace configmap controller.
• Fixed istioctl validate -f for networking.istio.io/v1beta1 rules (Issue 24064)
• Fixed aggregate clusters configuration (Issue 23909)
• Fixed Prometheus mTLS poods scraping (Issue 22391)
• Fixed ingress crash for overlapping hosts without match (Issue 22910)
• Fixed Istio telemetry Pod crashes (Issue 23813)
• Removed hard-coded operator namespace (Issue 24073)