VirtualBox 5.0 Beta 3 发布，此版本非稳定版本，请勿在生产环境上使用！
此版本现已提供下载，更新内容如下：
VirtualBox 5.0 Beta3 相比 VirtualBox 5.0 Beta 2 的改进如下：
VMM: XSAVE, AVX and AVX-2 are now exposed to the guest (bug #11347)
VMM: fixed a Guru Meditation when rebooting certain guests (for example Solaris doing fast reboot) by fixing the implementation for INIT IPI)
GUI: Encryption progress reflection (see here)
GUI: Encryption errors handling (see here)
GUI: Properly disable unavailable menu actions (see here)
GUI: properly report errors when trying to save the VM settings instead instead of dead-locking (see here)
API: allow to hotplug SATA optical devices (see here)
VRDP: fixed listening for IPv6 on some systems (bug #14038)
USB: fixed attaching of high speed USB devices if xHCI is not present (they always ended up on the OHCI controller)
Audio: improved volume control
Audio: fixed SB16 playback
Drag and drop: Transfers can be canceled properly, bug fixes
Guest Control: Major overhaul, for example fixing wrong parameter quoting (bug #13157)
Shared Folders: fixed a crash when removing (in some cases also when creating) a shared folder when the VM is running (see here)
OVA: fixed importing of appliances without attached hard disks (see here)
Snapshots: fixed a bug in handling a saved state when taking an offline snapshot
Snapshots: fixed a sporadic bug when restoring a snapshot which left unused diff images behind
VirtualKD: re-added device which was omitted by accident (see here)
Windows hosts: more hardening fixes (e.g. bugs #14051, #14052)
Additions/X.Org: fixed guest-to-host mouse mapping for Solaris and Linux Mint/Ubuntu 12.04.0 guests.
Additions/X.Org: fixed resizing problem in openSUSE 10.3 and guests of a similar generation (see here)
documented the Guest Additions heartbeat service
更多改进请看发行说明。
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。
软件详情：https://forums.virtualbox.org/viewtopic.php?f=15&t=67731
下载地址：http://download.virtualbox.org/virtualbox/5.0.0_BETA3/
来自:开源中国社区
