istio

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apiVersion: release-notes/v2
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kind: feature
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area: traffic-management
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releaseNotes:
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- |
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  **Removed** support for `EndpointSlice` version `discovery.k8s.io/v1beta1`. The `v1` version has been available since Kubernetes 1.21.
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  `EndpointSlice` `v1` is automatically used on Kubernetes 1.21+, while `Endpoints` is used on older versions.
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  This change only impacts users explicitly enabling `PILOT_USE_ENDPOINT_SLICE` on Kubernetes versions older than 1.21, which is no longer supported.
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