Beta of VirtualBox 4.0.0 Released
User interface redesign for VirtualBox 4.0.0 release.
A beta of VirtualBox 4.0.0 has been announced. In this release, the settings/disk file gets a new layout for VM portability, and Open Virtualization Format Archive support has been added. The user interface has been designed with guest window preview, and a new display mode with downscaled guest display has been added. Please note that this beta is not intended for production machines.