Intel PXE boot ROM: This feature enables to boot up of a VM using an emulated PXE boot ROM for installing a guest operating system.Host webcam passthrough: This feature enables the guest VMs to use a host webcam.

That helps a user to use any standard RDP client to control the remote VM. VirtualBox Remote Desktop Protocol (VRDP): VRDP is a backward-compatible extension to Microsoft’s Remote Desktop Protocol (RDP).The extension pack provides the following added functionality Which extends the functionality of the VirtualBox base package. Oracle VM VirtualBox provides additional extension packs that can be downloaded from the official website. The extensions pack includes drivers for additional operating systems and applications, as well as a number of useful features that can enhance the experience of using virtual machines. These code extensions allow users to create virtual machines that can run Windows, Linux, macOS, and other operating systems. VirtualBox Extensions Pack is a set of code extensions for VirtualBox.

Virtualbox extension pack 5.0.8