This is a maintenance release. The following items were fixed and/or added:
AMD-V, VT-x: stability fixes
Shared Folders: fixed host crash (Solaris host only, bugs #1336, #1646)
Shared Folders: fixed BSOD when debugging with Visual Studio (bug #1627)
Shared Folders: fixed BSOD when compiling on a shared folder (bug #1683)
Shared Folders: several fixes/stability improvements
SATA: fixed a race that could cause an occasional Windows guest system hang
SATA: fixed spurious BIOS log messages
Networking: fixed NIC tracing with NAT interfaces (bug #1790)
USB: fixed crash under certain conditions when unplugging a USB device (bug #1295)
Settings: fixed bug when converting 1.5.x settings
VRDP: fixed enabling the RDP server during runtime
VRDP: properly detect the rdesktop 1.6.0 RDP client
VRDP: fixed RDP crash (bug #1521)
VRDP: updated modified rdesktop client to version 1.6.0
GUI: NLS improvements
BIOS: added SMBIOS header to make Solaris and Vista recognize the DMI data
ACPI: properly hide a disabled floppy controller
VMM: small fixes to protected mode without paging
VMDK: fixed handling of .vmdk images without UUIDs
Windows hosts: fixed driver parameter validation issue in VBoxDrv.sys that could allow an attacker on the host to crash the system
Windows hosts: installer now contains web service examples mentioned in the manual
Linux hosts: properly deregister the Linux kernel module before uninstalling a Linux deb/rpm package
Linux hosts: kernel module works now with Linux 2.6.27
Linux hosts: fixed a typo in the vboxnet setup script for host network interfaces (bug #1714)
Linux hosts: fixed usage of tar in installer (bug #1767)
Linux hosts: fixed long guest shutdown time when serial port is enabled
Solaris hosts: refuse to install in Sun xVM hypervisor dom0
Solaris hosts: accept Solaris raw disks when for raw disk access
Windows additions: made installation of shared folders more robust
Windows additions: improved installation
Linux additions: accept every user-defined guest video mode in /etc/X11/xorg.conf
Linux additions: fixed startup order for recent Linux distributions (e.g. openSUSE 11)