Changelog
 
VirtualBox 1.6.0 (released 2008-04-30)

This version is a major update. The following major new features were added:

* Solaris and Mac OS X host support
* Seamless windowing for Linux and Solaris guests
* Guest Additions for Solaris
* A webservice API
* SATA hard disk (AHCI) controller
* Experimental Physical Address Extension (PAE) support

In addition, the following items were fixed and/or added:

* GUI: added accessibility support (508 )
* GUI: VM session information dialog
* VBoxHeadless: renamed from VBoxVRDP
* VMM: reduced host CPU load of idle guests
* VMM: many fixes for VT-x/SVM hardware-supported virtualization
* ATA/IDE: better disk geometry compatibility with VMware images
* ATA/IDE: virtualize an AHCI controller
* Storage: better write optimization, prevent images from growing unnecessarily.
* Network: support PXE booting with NAT
* Network: fixed the Am79C973 PCNet emulation for Nexenta guests
* NAT: improved builtin DHCP server (implemented DHCPNAK response)
* NAT: port forwarding stopped when restoring the VM from a saved state
* NAT: make subnet configurable
* XPCOM: moved to libxml2
* XPCOM: fixed VBoxSVC autostart race
* Audio: SoundBlaster 16 emulation
* USB: fixed problems with USB 2.0 devices
* MacOS X: fixed seamless mode
* MacOS X: better desktop integration, several look’n’feel fixes
* MacOS X: switched to Quartz2D framebuffer
* MacOS X: added support for shared folders
* MacOS X: added support for clipboard integration
* Solaris: added host audio playback support (experimental)
* Solaris: made it possible to run VirtualBox from non-global zones
* Shared Folders: made them work for NT4 guests
* Shared Folders: many bugfixes to improve stability
* Seamless windows: added support for Linux guests
* Linux installer: support DKMS for compiling the kernel module
* Linux host: compatibility fixes with Linux 2.6.25
* Windows host: support for USB devices has been significantly improved; many additional USB devices now work
* Windows Additions: automatically install AMD PCNet drivers on Vista guests
* Linux additions: several fixes, experimental support for RandR 1.2
* Linux additions: compatibility fixes with Linux 2.6.25

Changelog
 
VirtualBox 1.6.2 (released 2008-06-06)

This is a maintenance release. The following items were fixed and/or added:

* GUI: fixed a bug which prevented to add more than one SATA drive from the GUI
* GUI: fixed a regression introduced in 1.6.0: the fullscreen mode was left on every guest video mode switch
* GUI: fixed several minor issues
* Networking: fixed a host interface networking regression introduced in 1.6.0
* VMM: fixed starting of VMs with AMD-V enabled
* VMM: massive performance enhancements for AMD-V
* VMM: stability improvements for AMD-V on Windows hosts
* VMM: correctly detect AMD CPUs with erratum 170 (AMD-V)
* VMM: detect inconsistent timestamp counters on certain AMD Phenom CPUs (Windows host only)
* VMM: fixed KVM check (Linux hosts only) XPCOM: fixed several races
* VMM: fixed a regression introduced in 1.6.0: Windows stuck during installation
* SATA: improved performance with Vista guests
* SATA: fixed statistics counter
* Shared Folders: several fixes (iTunes download, speed up browsing)
* ATA/IDE: fixed boot from CDROM if a medium was added while the boot menu was active
* Networking: provide an Intel PRO/1000 T Server (82543GC) network device emulation which is recognized by Windows XP guests
* Networking: fixes for the E1000 emulation (don't crash if not attached, fixed a bug in the statistics counter implementation)
* NAT: don't crash if the guest sent a DHCPRELEASE message with an invalid IP address
* NAT: fixed ARP reply for the NAT gateway and for the NAT name server if the guest IP range was changed
* Internal Networking: fixed shutdown if more than two VMs are connected to the same network
* BIOS: allow to change the DMI informatiton (see chapter 9.13, Con'guring the BIOS DMI information, page 125)
* RTC: fixed UIP emulation to prevent jumping of time in Solaris guests
* Windows host: VirtualBox installation directory corrected for 64 bits Windows
* Windows host: fixed VBoxVRDP.exe symlink
* Windows host: solved locking problems in raw partition VMDK support
* Windows host: fixed stability during high system load (page fault in KeQueryActiveProcessors)
* MacOS X host: fixed crashes under certain conditions
* Shared Folders: limited users without admin rights now also can use Shared Folders on Windows guests
* Linux hosts: fixed default runlevel for the kernel module helper script
* Solaris hosts: enabled support for VT-x and AMD-V
* Solaris hosts: dynamic loading of libdlpi fixes a problem where Solaris 10 was not able to start a VM
* Linux additions: fixed runlevels for kernel module helper scripts
* Linux additions: compatibility fixes with Linux 2.6.26
* Linux additions: fixed occasional guest kernel crash during unload of the vboxadd guest kernel module

Changelog
 
VirtualBox 1.6.4 (released 2008-07-30)

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
* RDP: fixed enabling the RDP server during runtime
* RDP: properly detect the rdesktop 1.6.0 RDP client
* RDP: fixed RDP crash (bug #1521)
* RDP: 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)

changelog
 
VirtualBox 1.6.6 (released 2008-08-26)

This is a maintenance release. The following items were fixed and/or added:

* VMM: fixed excessive logging (bug #1901)
* VMM: AMD-V stability fixes (bug #1685)
* GUI: added support for Ctrl+Caps reversed keyboards (bug #1891)
* SATA: fixed BSODs of Windows guests on a SATA disk (bug #1941)
* SATA: fixed hard disk detection on Solaris 10 U5 (bug #1789)
* VBoxHeadless: don’t start the clipboard service (bug #1743)
* VBoxHeadless: added -vrdp parameter which allows to start the VM session without VRDP (bug #1960)
* VBoxManage: fixes to creating raw disk/partition VMDK files, now accepts removable media on Windows (bug #1869)
* VRDP: fixed communication with MS Remote Resktop Connection on MacOS X (bug #1337)
* VRDP: clipboard fixes (bug #1410)
* VRDP: fixed crash during PAM authentication (bug #1953)
* Shared Folders: fixed a regression introduced in version 1.6.2: the shared folders service was sometimes not properly installed (Windows guests only, bug #1915)
* Shared Folders: don’t deny to load a VM if a shared folder is not accessible (bug #822)
* BIOS: allow to specify empty DMI strings (bug #1957)
* OSE archive: added missing Makefiles (bug #1912)
* Linux hosts: workaround for buggy gcc-4.3 compilers (e.g. openSUSE 11)
* Linux hosts: one more fix for compiling the kernel modules on Linux 2.6.27 (bug #1962)
* MacOS X hosts: shared folders unicode fix
* Solaris hosts: fixed link issue (bug #1840)
* Windows additions: allow to downgrade the package
* Windows additions: fixed corrupted installer icon on Windows 2000 (bug #1486)
* Windows additions: fixed bug when creating intermediate directories (bug #1870)
* Windows additions: implemented /xres=, /yres= and /depth= switches for the installer (bug #1990)
* Linux additions: properly unregister the misc device when unloading the kernel module
* Linux additions: fixed startup order for recent Linux distributions again (e.g. openSUSE 11)
* Linux additions: attempt to fix the autostart issue of !VBoxClient with Mandriva guests (bug #1699)
* Linux additions: fixed detection of patched Linux 2.6.18 kernels of RHEL5 / FC6 / CentOS 5.2 (bugs #1899, #1973)
* Linux additions: added new mount flags dmode, fmode, umask, dmask and fmask allowing to override the file mode (bug #1776)
* Documentation: added a note that jumbo frames don’t work (bug #1877)
* Documentation: document special host interface names on openSUSE11 (bug #1892)