VirtualBox v5.1.6 is released. VirtualBox is a general-purpose full virtualizer for x86/x64 hardware. Targeted at server, desktop and embedded use, it is now the only professional-quality virtualization solution that is also Open Source Software.

VirtualBox v5.1.6 Changelog:
* GUI: fixed issue with opening '.vbox' files and it's aliases
* GUI: keyboard grabbing fixes (bugs #15771 and #15745)
* GUI: fix for passing through Ctrl + mouse-click (Mac OS X hosts only; bug #15714)
* GUI: fixed automatic deletion of extension pack files (bugs #11352 and #14742)
* USB: fixed showing unknown device instead of the manufacturer or product description under certain circumstances (5.1.0 regression; bug #15764)
* XHCI: another fix for a hanging guest under certain conditions as result of the fix for bug #15747, this time for Windows 7 guests
* Serial: fixed high CPU usage with certain USB to serial converters on Linux hosts (bug #7796)
* Storage: fixed attaching stream optimized VMDK images (bug #14764)
* Storage: reject image variants which are unsupported by the backend (bug #7227)
* Storage: fixed loading saved states created with VirtualBox 5.0.10 and older when using a SCSI controller (bug #15865)
* Storage: fixed broken NVMe emulation if the host I/O cache setting is enabled
* Storage: fixed using multiple NVMe controllers if ICH9 is used
* NVMe: fixed a crash during reset which could happen under certain circumstances
* Audio: fixed microphone input (5.1.2 regression; bugs #14386 and #15802)
* Audio: fixed crashes under certain conditions (5.1.0 regression; bug #15887 and others)
* Audio: fixed recording with the ALSA backend (5.1 regression)
* Audio: fixed stream access mode with OSS backend (5.1 regression, thanks to Jung-uk Kim)
* E1000: do also return masked bits when reading the ICR register, this fixes booting from iPXE (5.1.2 regression; bug #15846)
* BIOS: fixed 4bpp scanline calculation (bug #15787)
* API: relax the check for the version attribute in OVF/OVA appliances (bug #15856)
* Windows hosts: fixed crashes when terminating the VM selector or other VBox COM clients (bug #15726 and others)
* Linux Installer: fixed path to the documentation in .rpm packages (5.1.0 regression)
* Linux Installer: fixed the vboxdrv.sh script to prevent an SELinux complaint (bug #15816)
* Linux hosts: don't use 32-bit legacy capabilities
* Linux Additions: Linux 4.8 fix for the kernel display driver (bugs #15890 and #15896)
* Linux Additions: don't load the kernel modules provided by the Linux distribution but load the kernel modules from the official Guest Additions package instead (bug #15324)
* Linux Additions: fix dynamic resizing problems in recent Linux guests (bug #15875)
* User Manual: fixed error in the VBoxManage chapter for the getextradata enumerate example (bug #15862)

Download: VirtualBox v5.1.6
Source: Here