Announcing Istio 1.15.5

This release contains bug fixes to improve robustness. This release note describes what’s different between Istio 1.15.4 and Istio 1.15.5.

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Changes

• Added the --revision flag to istioctl analyze making it possible to specify a revision. (Issue #38148)

• Added mitigation for a request smuggling vulnerability caused by an issue in the Go http2 library. (Issue #56352)

• Fixed a bug causing the abnormal exit of istiod when DestinationRule PortLevelSettings[].Port was nil. (Issue #42598)

• Fixed a bug causing namespace level network labels (topology.istio.io/network) to take precedence over pod labels. (Issue #42675)