EC2 > Structures > MacHost MacHost¶ Structure Class¶ MacHost dataclass ¶ Bases: _SerdeShape Information about the EC2 Mac Dedicated Host. Attributes¶ host_id class-attribute instance-attribute ¶ host_id: str | None = ... The EC2 Mac Dedicated Host ID. mac_os_latest_supported_versions class-attribute instance-attribute ¶ mac_os_latest_supported_versions: list[str] | None = ... The latest macOS versions that the EC2 Mac Dedicated Host can launch without being upgraded.