VirtualBox 5.0 Beta 3 发布，开源虚拟机

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#深圳# 6月10日 亚马逊AWSome Day云计算免费培训报名中
　　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。