VirtualBox v4.3 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 v4.3 Changelog:
VMM: fixes for panics with Mac OS X 10.6.8
VMM: allow to reset a VM as a result of a triple fault instead of raising a Guru Meditation
3D: more fixes (e.g. Google Earth, fixed auto-resize for Vista WDDM)
Webcam passthrough
NAT services: fixes (e.g. dynamic port forwarding)
OVF: fixed import regression
BIOS: fixed IRQ routing information for certain guests
Windows hosts: actually ship the .chm and .pdf help files

Download: VirtualBox v4.3
Source: Here