VirtualBox 5.0.0 Beta 4
* VMM: some XSAVE fixes (e.g. here)
* GUI: hot-plugging support for USB storage controller.
* GUI: fixed icons for savestate/restorestate and some of icons for HiDPI aware Win/X11 hosts.
* NAT: don't kill UDP bindings on ICMP errors
* Drag and drop: various bugfixes for Linux hosts and guests
* Encryption: fixed cloning VMs
* Audio: Fixed volume control for mono streams
* Audio/SB16: Fixed loss of output after loading saved state.
* USB3: fixed attaching multiple emulated disks to the xHCI controller
* 3D: fixed a crash on restoring the VM state
* Snapshots: fixed Beta 3 regression
* VBoxManage: fixed reading the partition table on Windows
* iSCSI: fixed a hang during power off if the initiator connects to the target over the internal network