VirtualBox 5.0 Beta 4 发布，请注意，此版本是测试版本，请勿在生产环境使用！
此版本的二进制包现已提供下载，请使用 sha256sum 来比较下载包的 hash 列表。
此版本相比 VirtualBox 5.0 Beta 3 改进如下：
VMM: some XSAVE fixes GUI: hot-plugging support for USB storage controller. GUI: fixed icons for savestate/restorestate and some of icons for HiDPI aware Win/X11 hosts. NAT: don't kill UDP bindings on ICMP errors (bug #13475) Drag and drop: various bugfixes for Linux hosts and guests Encryption: fixed cloning VMs Audio: Fixed volume control for mono streams Audio/SB16: Fixed loss of output after loading saved state. USB3: fixed attaching multiple emulated disks to the xHCI controller 3D: fixed a crash on restoring the VM state (bug #12737) Snapshots: fixed Beta 3 regression VBoxManage: fixed reading the partition table on Windows iSCSI: fixed a hang during power off if the initiator connects to the target over the internal network
更多内容请看发行说明。
VirtualBox 是一款功能强大的 x86 虚拟机软件，它不仅具有丰富的特色，而且性能也很优异。
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