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Update CHANGELOG with AKS NAT Gateway support#5663

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rahulrai-in-patch-3
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Update CHANGELOG with AKS NAT Gateway support#5663
rahulrai-in wants to merge 1 commit intomasterfrom
rahulrai-in-patch-3

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Added support for configuring Standard V2 Azure NAT Gateway as a user-assigned NAT gateway for outbound traffic.

Added support for configuring Standard V2 Azure NAT Gateway as a user-assigned NAT gateway for outbound traffic.
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Pull request overview

Updates the repository changelog to document new AKS support for using a Standard V2 Azure NAT Gateway as a user-assigned NAT gateway for outbound traffic.

Changes:

  • Adds a new bullet under Behavioral Changes describing Standard V2 Azure NAT Gateway (user-assigned) support.
  • Links to the corresponding Microsoft Learn documentation for configuration details.

* On clusters where ACNS performance is used to enable [eBPF host routing](https://learn.microsoft.com/azure/aks/how-to-enable-ebpf-host-routing), nodes will be labeled with `kubernetes.azure.com/ebpf-host-routing=true`. This is done by a node image upgrade.
* AKS now supports [configuring Standard V2 Azure NAT Gateway](https://learn.microsoft.com/azure/aks/nat-gateway#create-an-aks-cluster-with-a-user-assigned-nat-gateway) as a user‑assigned NAT gateway for outbound (egress) traffic.


- A ValidatingAdmissionPolicy (VAP) restricts creation or updates of ClusterRole and Role objects granting `nodes/proxy`, except for approved system users and groups.
- An authorization policy denies `nodes/proxy` by default. Approved system users, groups, and kube-system service accounts are exempt.
* On clusters where ACNS performance is used to enable [eBPF host routing](https://learn.microsoft.com/azure/aks/how-to-enable-ebpf-host-routing), nodes will be labeled with `kubernetes.azure.com/ebpf-host-routing=true`. This is done by a node image upgrade.
* AKS now supports [configuring Standard V2 Azure NAT Gateway](https://learn.microsoft.com/azure/aks/nat-gateway#create-an-aks-cluster-with-a-user-assigned-nat-gateway) as a user‑assigned NAT gateway for outbound (egress) traffic.
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