IPv6 is added alongside IPv4 — never a replacement path.

Globally routable by design, which is why IPv6 needs no NAT equivalent.

VPCDual-stack CIDR, additive

Egress-Only IGWOutbound-only, no translation

VPC EndpointsNow dual-stack too

Genuinely recent: Gateway and Interface endpoints for S3/DynamoDB now support IPv6, closing a real gap for IPv6-only workloads needing private access.