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Virtualization updates

Learn about important changes to Virtualization.

Overview

Browse notable changes in Virtualization.

June 2025

  • Take advantage of more efficient storage utilization in virtual machine (VM) images using the Apple Sparse Image Format (ASIF). Its space-saving allocation results in a smaller disk footprint and optimized transfer for VM disk images with VZDiskImageStorageDeviceAttachment.

  • Support vmnet custom network topologies to enable VM-to-VM communications based on a logical network with customized configuration.

  • Easily discover a VM’s on-process queue using this new property on VZVirtualMachine.

June 2024

  • Adopt nested VMs to run Linux VMs in virtualized Linux VM hosts.

  • Allow emulated USB Mass Storage devices to attach to and detach from a running VM using Extensible Host Controller Interface (XHCI) controller hot-plug capabilities.

  • Access iCloud from macOS 15 VMs.

See Also

Technology and frameworks