VirtualBox 5.0 RC2 发布，开源虚拟机

VirtualBox 5.0 RC2 发布，请不要在生产环境使用候选版本！

此版本现已提供下载测试。

VirtualBox 5.0 RC2 相比 VirtualBox 5.0 Release Candidate 1，改进如下：

• VMM: fixed a GP in SUPR0QueryVTCaps (see here)

• VMM: fixed a raw mode bug (5.0.0 RC1 regression)

• xHCI: fixed resuming from a saved state (see here)

• AHCI: fixed a crash under certain conditions during VM poweroff

• USB: improve playback with USB sound devices attached to the emulated OHCI controller

• Audio: provide Linux guests a different AC97 audio codec type so Linux ALSA doesn't mis-detect the link speed (default for new VMs)

• Drag and drop: enabled guest to host support for OS X hosts

• Drag and drop: fixed freezes and crashes in some error cases

• API: OS type description consistency fix (bug #14162)

• API: fixed a check which prevented changing the network promiscuous mode at runtime

• API: don't keep OVA files open after import

• API: don't resume a VM on host-resume unless it was previously paused due to a host-suspend (see here)

• API: don't lose the saved state and "current state changed" flag during cloning of a VM

• ExtPack: don't fail if the TMP directory contains non-latin1 characters (bug #14159)

• Mac OS X hosts: don't crash when upgrading from VBox 4.3.28 which has a bug in handling the CR4.VMXE bit

• Solaris hosts: Solaris 12 installer fix

• X11 Additions: fixed wrong DPI value (bug #14151)

很快机会发布最终版本了！详细改进请看发行说明。

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。