Oracle 刚刚 发布 了 VirtualBox 4.2 beta 1，该版本包含一些主要的改进，例如 Windows 8 的支持，专家模式的向导，虚拟机的拖放操作支持。
VirtualBox 4.2 beta 1 详细改进记录包括：
Improved Windows 8 support, in particular many 3D-related fixes
GUI: VM groups
GUI: expert mode for wizards
GUI: allow to alter some settings during runtime
Support for up to 36 network cards, in combination with an ICH9 chipset configuration
Resource control: added support for limiting network IO bandwidth
Added possibility to start VMs during system boot on Linux, OS X and Solaris
Added experimental support for Drag'n'drop from the host to Linux guests. Support for more guests and for guest-to-host is planned.
Support recent VIA CPUs
Allow taking screenshots of the current VM window content
Allow automatically sorting of the VM list
Allow starting of headless VMs from the GUI
GUI: network operations manager
Improved VM context switch performance for Intel CPUs using nested paging
Added support for FlushByASID features of AMD CPUs (Bulldozer and newer)
Added readonly support for VHDX images, QED images and for QCOW (full support for v1 and readonly support for v2) images
Bug fixes
目前还是 Beta 版本，下载地址：Download VirtualBox 4.2 beta 1 for Linux, Windows or Mac OS X
如果你已经装有 4.1 版本，可使用如下命令卸载后再重新安装：
sudo apt-get remove virtualbox-4.1
主页：https://www.virtualbox.org/
下载：https://www.virtualbox.org/wiki/Downloads
来自:开源中国社区
