Virtual Box 5.1.4 发布了。更新日志： GUI: show actual VM uptime in the session information window Audio: re-enabled speakers for Mac OS X guests (5.1.0 regression; bug #15611) Audio: fixed crashes under certain conditions USB: fixed a hang under certain conditions USB: fixed a hanging guest under certain conditions (bug #15747) PIIX4: implemented dummy SMBus controller to prevent annoying Linux kernel warnings about uninitialized SMBus base address (bug #9517) NVMe: several fixes to improve stability, fixed a crash while saving a VM state VMDK: Fixed an issue creating fixed size images with certain sizes and the Split2G option enabled (bug #15748) VHDX: fixed cloning images with VBoxManage clonehd (bug #14288) Storage: Fixed broken bandwidth limitation when the limit is very low (bug #14982) EFI: fixed sending debug messages in the EFI firmware if a serial port is enabled (bug #12161) OVF:
when importing appliances, make sure that the version of the embedded
VirtualBox-specific settings is processed, to get the default settings
handling right VBoxManage: Don't try to set the medium type if there is no change (bug #13850) Linux installer: fixed some scripting issues (bugs #15701 and #15702) Linux installer: fixed a path issue on certain Linux distributions (bug #15717) Windows hosts: fixed corrupted mouse pointers with some Linux and Solaris guests (bug #15665) Linux Additions: made the video driver work on 32-bit guests with large video memory sizes (bug #15621) Linux Additions: made the video driver work on kernel 4.7 and later (bug #15769) Linux Additions: converted a failure message to an informational one when drivers could not be stopped during upgrade (bug #15692) Linux Additions: made the video driver work around an X server bug which cause screen refresh to stop (bug #15511) Windows Additions: auto-resizing fixes for Windows 10 guests (bug #15257) Windows Additions: fixed VBoxTray problems with Windows 2000 (bug #15661)
详情：https://www.virtualbox.org/wiki/Changelog#v4 | 
