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Solo build of Istio version 1.26.3 patch release.

This release note describes the changes of Solo builds between Istio versions 1.26.2-patch0 and 1.26.3.

General

This version was built against upstream Istio release 1.26.3.

• Replaced istio.io/expose-istiod-address with a more general istio.io/expose-gateway-address annotation which drives the address list in gateway statuses. It will be picked up when generating istio-remote Gateways for multicluster and bootstrap generation for ECS to determine how to reach istiod for XDS. Istiod will program proxies to send cross-network traffic over the address(es) configured by this annotation.