Changelog:

VirtualBox 2.0.6 (released 2008-11-21)

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

* VMM: fixed Guru meditation when running 64 bits Windows guests (bug #2220)
* VMM: fixed Solaris 10U6 boot hangs (VT-x and AMD-V) bug #2565)
* VMM: fixed Solaris 10U6 reboot hangs (AMD-V only; bug #2565)
* GUI: the host key was sometimes not properly displayed (Windows hosts only, bug #1996)
* GUI: the keyboard focus was lost after minimizing and restoring the VM window via the Windows taskbar (bugs #784)
* VBoxManage: properly show SATA disks when showing the VM information (bug #2624)
* SATA: fixed access if the buffer size is not sector-aligned (bug #2024)
* SATA: improved performance
* SATA: fixed snapshot function with ports>1 (bug #2510)
* E1000: fixed crash under rare circumstances
* USB: fixed support for iPhone and Nokia devices (Linux host: bugs #470 & #491)
* Windows host installer: added proper handling of open VirtualBox applications when updating the installation
* Windows host installer: fixed default installation directory on 64-bit on new installations (bug #2501)
* Linux/Solaris/Darwin hosts: verify permissions in /tmp/vbox-$USER-ipc
* Linux hosts: fixed assertion on high network load (AMD64 hosts, fix for Linux distributions with glibc 2.6 and newer (bug #616)
* Linux hosts: don’t crash during shutdown with serial ports connected to a host device
* Solaris hosts: fixed incompatibility between IPSEC and host interface networking
* Solaris hosts: fixed a rare race condition while powering off VMs with host interface networking
* Solaris hosts: fixed VBoxSDL on Solaris 10 by shipping the required SDL library (bug #2475)
* Windows additions: fixed logged in users reporting via guest properties when using native RDP connections
* Windows additions: fixed Vista crashes when accessing shared folders under certain circumstances (bug #2461)
* Windows additions: fixed shared folders access with MS-Office (bug #2591)
* Linux additions: fixed compilation of vboxvfs.ko for 64-bit guests (bug #2550)
* SDK: added JAX-WS port caching to speedup connections

Changelog:

VirtualBox 2.1.0 (released 2008-12-17)

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

* Support for hardware virtualization (VT-x and AMD-V) on Mac OS X hosts
* Support for 64-bit guests on 32-bit host operating systems (experimental; see user manual, chapter 1.6, 64-bit guests, page 16)
* Added support for Intel Nehalem virtualization enhancements (EPT and VPID; see user manual, chapter 1.2, Software vs. hardware virtualization (VT-x and AMD-V), page 10))
* Experimental 3D acceleration via OpenGL (see user manual, chapter 4.8, Hardware 3D acceleration (OpenGL), page 66)
* Experimental LsiLogic and BusLogic SCSI controllers (see user manual, chapter 5.1, Hard disk controllers: IDE, SATA (AHCI), SCSI, page 70)
* Full VMDK/VHD support including snapshots (see user manual, chapter 5.2, Disk image files (VDI, VMDK, VHD), page 72)
* New NAT engine with significantly better performance, reliability and ICMP echo (ping) support (bugs #1046, #2438, #2223, #1247)
* New Host Interface Networking implementations for Windows and Linux hosts with easier setup (replaces TUN/TAP on Linux and manual bridging on Windows)

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

* VMM: significant performance improvements for VT-x (real mode execution)
* VMM: support for hardware breakpoints (VT-x and AMD-V only; bug #477)
* VMM: VGA performance improvements for VT-x and AMD-V
* VMM: Solaris and OpenSolaris guest performance improvements for AMD-V (Barcelona family CPUs only)
* VMM: fixed guru meditation while running the Dr. Web virus scanner (software virtualization only; bug #1439)
* VMM: deactivate VT-x and AMD-V when the host machine goes into suspend mode; reactivate when the host machine resumes (Windows, Mac OS X & Linux hosts; bug #1660)
* VMM: fixed guest hangs when restoring VT-x or AMD-V saved states/snapshots
* VMM: fixed guru meditation when executing a one byte debug instruction (VT-x only; bug #2617)
* VMM: fixed guru meditation for PAE guests on non-PAE hosts (VT-x)
* VMM: disallow mixing of software and hardware virtualization execution in general (bug #2404)
* VMM: fixed black screen when booting OS/2 1.x (AMD-V only)
* GUI: pause running VMs when the host machine goes into suspend mode (Windows & Mac OS X hosts)
* GUI: resume previously paused VMs when the host machine resumes after suspend (Windows & Mac OS X hosts)
* GUI: save the state of running or paused VMs when the host machine’s battery reaches critical level (Windows hosts)
* GUI: properly restore the position of the selector window when running on the compiz window manager
* GUI: properly restore the VM in seamless mode (2.0 regression)
* GUI: warn user about non optimal memory settings
* GUI: structure operating system list according to family and version for improved usability
* GUI: predefined settings for QNX guests
* IDE: improved ATAPI passthrough support
* Networking: added support for up to 8 Ethernet adapters per VM
* Networking: fixed issue where a VM could lose connectivity after a reboot
* iSCSI: allow snapshot/diff creation using local VDI file
* iSCSI: improved interoperability with iSCSI targets
* Graphics: fixed handling of a guest video memory which is not a power of two (bug #2724)
* VBoxManage: fixed bug which prevented setting up the serial port for direct device access.
* VBoxManage: added support for VMDK and VHD image creation
* VBoxManage: added support for image conversion (VDI/VMDK/VHD/RAW)
* Solaris hosts: added IPv6 support between host and guest when using host interface networking
* Mac OS X hosts: added ACPI host power status reporting
* API: redesigned storage model with better generalization
* API: allow attaching a hard disk to more than one VM at a time
* API: added methods to return network configuration information of the host system
* Shared Folders: performance and stability fixes for Windows guests (Microsoft Office Applications)

Changelog:

VirtualBox 2.1.2 (released 2009-01-21)

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

* USB: improved support for recent Linux hosts
* VMM: fixed guru meditation for PAE guests on non-PAE hosts (AMD-V)
* VMM: fixed guru meditation on Mac OS X hosts when using VT-x
* VMM: allow running up to 1023 VMs on 64-bit hosts (used to be 127)
* VMM: several FreeBSD guest related fixes (bugs #2342, #2341, #2761)
* VMM: fixed guru meditation when installing Suse Enterprise Server 10U2 (VT-x only; bug #3039)
* VMM: fixed guru meditation when booting Novell Netware 4.11 (VT-x only; bug #2898)
* VMM: fixed VERR_ADDRESS_TOO_BIG error on some Mac OS X systems when starting a VM
* VMM: clear MSR_K6_EFER_SVME after probing for AMD-V (bug #3058)
* VMM: fixed guru meditation during Windows 7 boot with more than 2 GB guest RAM (VT-x, nested paging only)
* VMM: fixed hang during OS/2 MCP2 boot (AMD-V and VT-x only)
* VMM: fixed loop during OpenBSD 4.0 boot (VT-x only)
* VMM: fixed random crashes related to FPU/XMM with 64 bits guests on 32 bits hosts
* VMM: fixed occasional XMM state corruption with 64 bits guests
* GUI: raised the RAM limit for new VMs to 75% of the host memory
* GUI: added Windows 7 as operating system type
* VBoxSDL: fixed -fixed fixedmode parameter (bug #3067)
* Clipboard: stability fixes (Linux and Solaris hosts only, bug #2675 and #3003)
* 3D support: fixed VM crashes for certain guest applications (bugs #2781, #2797, #2972, #3089)
* LsiLogic: improved support for Windows guests (still experimental)
* VGA: fixed a 2.1.0 regression where guest screen resize events were not properly handled (bug #2783)
* VGA: significant performance improvements when using VT-x/AMD-V on Mac OS X hosts
* VGA: better handling for VRAM offset changes (fixes GRUB2 and Dos DOOM display issues)
* VGA: custom VESA modes with invalid widths are now rounded up to correct ones (bug #2895)
* IDE: fixed ATAPI passthrough support (Linux hosts only; bug #2795)
* Networking: fixed kernel panics due to NULL pointer dereference in Linux kernels < 2.6.20 (Linux hosts only; bug #2827)
* Networking: fixed intermittend BSODs when using the new host interface (Windows hosts only; bugs #2832, #2937, #2929)
* Networking: fixed several issues with displaying hostif NICs in the GUI (Windows hosts only; bugs 2814, #2842)
* Networking: fixed the issue with displaying hostif NICs without assigned IP addresses (Linux hosts only; bug #2780)
* Networking: fixed the issue with sent packets coming back to internal network when using hostif (Linux hosts only; bug #3056).
* NAT: fixed port forwarding (Windows hosts only; bug #2808)
* NAT: fixed booting from the builtin TFTP server (bug #1959)
* NAT: fixed occasional crashes (bug #2709)
* SATA: vendor product data (VPD) is now configurable
* SATA: raw disk partitions were not recognized (2.1.0 regression, Windows host only, bug #2778)
* SATA: fixed timeouts in the guest when using raw VMDK files (Linux host only, bug #2796)
* SATA: huge speed up during certain I/O operations like formatting a drive
* SATA/IDE: fixed possible crash/errors during VM shutdown
* VRDP: fixed loading of libpam.so.1 from the host (Solaris hosts only)
* VRDP: fixed RDP client disconnects
* VRDP: fixed VRDP server misbehavior after a broken client connection
* VBoxManage showvminfo: fixed assertion for running VMs (bug #2773)
* VBoxManage convertfromraw: added parameter checking and made it default to creating VDI files; fixed and documented format parameter (bug #2776)
* VBoxManage clonehd: fixed garbled output image when creating VDI files (bug #2813)
* VBoxManage guestproperty: fixed property enumeration (incorrect parameters/exception)
* VHD: fixed error when attaching certain container files (bug #2768)
* Solaris hosts: added support for serial ports (bug #1849)
* Solaris hosts: fix for Japanese keyboards (bug #2847)
* Solaris hosts: 32-bit and 64-bit versions now available as a single, unified package
* Linux hosts: don’t depend on libcap1 anymore (bug #2859)
* Linux hosts: compile fixes for 2.6.29-rc1
* Linux hosts: don’t drop any capability if the VM was started by root (2.1.0 regression)
* Mac OS X hosts: save the state of running or paused VMs when the host machine’s battery reaches critical level
* Mac OS X hosts: improved window resizing of the VM window
* Mac OS X hosts: added GUI option to disable the dock icon realtime preview in the GUI to decrease the host CPU load when the guest is doing 3D
* Mac OS X hosts: polished realtime preview dock icon
* Windows Additions: fixed guest property and logging OS type detection for Windows 2008 and Windows 7 Beta
* Windows Additions: added support for Windows 7 Beta (bugs #2995, #3015)
* Windows Additions: fixed Windows 2000 guest freeze when accessing files on shared folders (bug #2764)
* Windows Additions: fixed Ctrl-Alt-Del handling when using VBoxGINA
* Windows Additions Installer: Added /extract switch to only extract (not install) the files to a directory (can be specified with /D=path)
* Linux installer and Additions: added support for the Linux From Scratch distribution (bug #1587) and recent Gentoo versions (bug #2938)
* Additions: added experimental support for X.Org Server 1.6 RC on Linux guests
* Linux Additions: fixed bug which prevented to properly set fmode on mapped shared folders (bug #1776)
* Linux Additions: fixed appending of files on shared folders (bug #1612)
* Linux Additions: ignore noauto option when mounting a shared folder (bug #2498)
* Linux Additions: fixed a driver issue preventing X11 from compiling keymaps (bug #2793 and #2905)
* X11 Additions: workaround in the mouse driver for a server crash when the driver is loaded manually (bug #2397)

Changelog:

* Windows hosts: fixed host crashes/hangs on certain 32 bits Windows systems when running Linux guests (bugs #1606, #2269, #2763)
* Windows hosts: Fixed network component BSOD issue (bugs #3168, #2916)
* Windows hosts: Fixed installation issues (bugs #2517, #1730, #3130)
* Linux hosts: fixed occasional kernel oopses (bug #2556)
* Linux hosts: fixed module dependency for shipped modules (bug #3115)
* Linux hosts: moved the udev rules for USB forward so that they don’t override existing system rules (bug #3143)
* Linux hosts: fixed the issue with guest not being able to communicate with each other when attached via TAP interfaces (bug #3215)
* Linux hosts: give up probing for USB gracefully if dbus or hal are not available (bug #3136)
* Linux hosts: fixed warnings in installer when SELinux was disabled (bug #3098)
* Linux hosts: VirtualBox sometimes failed to start if it had been started using sudo previously (bug #3270)
* Solaris hosts: fixed high CPU load while running many guests in parallel
* Solaris hosts: fixed inability to start more than 128 VMs
* VMM: fixed performance regression for Windows guests (bug #3172)
* VMM: ignore CPU stepping when restoring a saved state/snapshot
* REM: fixed inability to use gdb to debug programs in Linux guests with software virtualization (bug #3245)
* GUI: fixed dead key handling on Solaris hosts (bug #3256)
* GUI: in the shutdown dialog, disable the action send the shutdown signal if the guest is currently not using ACPI
* GUI: suppress additional key release events sent by X11 hosts when keys are auto-repeated (bug #1296)
* API: restore case insensitive OS type name lookup (bug #3087)
* VBoxHeadless: really don’t start X11 services (clipboard service, 3D acceleration; Solaris & Darwin hosts only; bug #3199)
* NAT: fixed occasional crashes when the guest is doing traceroute (non-Windows hosts; bug #3200)
* NAT: fixed crashes under high load (bug #3110)
* NAT: fixed truncated downloads (Windows hosts only, bug #3257)
* NAT: don’t intercept TFTP packages with a destination address different from the builtin TFTP server (bug #3112)
* USB: several fixes for USB passthrough on Linux hosts
* USB: reduced host CPU utilization if EHCI is active
* VRDP: fixed VRDP server black screen after a client reconnect (bug #1989)
* VRDP: modified rdesktop client (rdesktop-vrdp) now uses NumLock state synchronization (bug #3253)
* LsiLogic: make FreeBSD guests work (bug #3174)
* ATA: fixed deadlock when pausing VM due to problems with the virtual disk (e.g. disk full, iSCSI target unavailable)
* iSCSI: fixed possible crash when pausing the VM
* 3D support: added missing GL_MAX_TEXTURE_COORDS_ARB (bug #3246)
* Windows Additions: fixed ERROR (e0000101) error during installation (bug #1923)
* Windows Additions: fixed Windows Explorer hang when browsing shared folders with 64 bit guests (bug #2225)
* Windows Additions: fixed guest screen distortions during a video mode change
* Windows Additions: fixed the Network drive not connected message for mapped shared folders drives after the guest startup (bug #3157)
* Linux Additions: fixed occasional file corruption when writing files in O_APPEND mode to a shared folder (bug #2844)
* Linux Additions: the mouse driver was not properly set up on X.Org release candidates (bug #3212)
* Linux Additions: fixed installer to work with openSUSE 11.1 (bug #3213)
* Linux Additions: disable dynamic resizing if the X server is configured for fixed resolutions
* Linux/Solaris Additions: handle virtual resolutions properly which are larger than the actual guest resolution (bug #3096)

Changelog:

* OVF (Open Virtualization Format) appliance import and export (see chapter 3.8, Importing and exporting virtual machines, User Manual page 55)
* Host-only networking mode (see chapter 6.7, Host-only networking, User Manual page 88)
* Hypervisor optimizations with significant performance gains for high context switching rates
* Raised the memory limit for VMs on 64-bit hosts to 16GB
* VT-x/AMD-V are enabled by default for newly created virtual machines
* USB (OHCI & EHCI) is enabled by default for newly created virtual machines (Qt GUI only)
* Experimental USB support for OpenSolaris hosts
* Shared folders for Solaris and OpenSolaris guests
* OpenGL 3D acceleration for Linux and Solaris guests (see chapter 4.8, Hardware 3D acceleration (OpenGL), User Manual page 70)
* Added C API in addition to C++, Java, Python and Web Services

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

* VMM: FreeBSD guest related fix for V86 flags (bug #2342)
* VMM: fixed guru meditation when booting an AsteriskNow Linux VM (bug #2342)
* VMM: fixed PGMPOOLKIND_FREE guru meditation (bugs #3356, #3431)
* VMM: fixed Windows XP boot hang (guest PAE + nested paging only)
* VMM: allow mixing of VT-x/AMD-V and software virtualization
* VMM: fixed extremely slow safe mode booting in e.g. Windows 2008 (VT-x/AMD-V only)
* VMM: significant speedup of certain GRUB boot loaders (e.g. Solaris) (VT-x/AMD-V only)
* VMM: real-mode IOPL fix for DOS guests (VT-x only)
* VMM: fixed VT-x detection with certain BIOSes that enable VT-x, but don’t set the lock bit in MSR_IA32_FEATURE_CONTROL
* VMM: fixed hibernation issues on Windows XP hosts (VT-x only; bug #1794)
* VMM: properly emulate RDMSR from the TSC MSR, should fix some NetBSD guests
* VMM: emulate RDPMC; fixes Windows guests crashes when using the Kaspersky virus scanner (bug #1778)
* NAT: fixed truncated downloads (FTP) (bug #3257)
* NAT: blocked UDP packets caused a crash (bug #3426)
* NAT: allow to configure the next server and the boot file via VBoxManage (bug #2759)
* IDE: fixed hard disk upgrade from XML-1.2 settings (bug #1518)
* Hard disk: support more VMDK file variants (including fixed-size ESX server images)
* Hard disks: refuse to start the VM if a disk image is not writable
* USB: further reduced host CPU utilization for OHCI and EHCI; the “VBoxInternal/Devices/usb-ohci/0/Config/FrameRate” CFG key is no longer necessary and no longer supported
* USB: fixed BSOD on the host with certain USB devices (Windows hosts only; bug #1654)
* E1000: properly handle cable disconnects (bug #3421)
* VRDP: fixed hangs when VRDP server is enabled or disabled in runtime
* Shared folders: respect umask settings on Linux, OSX and Solaris hosts when creating files
* X11 guests: prevented setting the locale in vboxmouse, as this caused problems with Turkish locales (bug #3563)
* X11 guests: show the guest mouse pointer at the right position if the virtual desktop is larger than the guest resolution (bug #2306)
* Linux additions: fixed typo when detecting Xorg 1.6 (bug #3555)
* Solaris guests: added xpg4/xcu4 dependency to the guest additions installer (bug #3524)
* Windows guests: bind the VBoxMouse.sys filter driver to the correct guest pointing device (bug #1324)
* Windows hosts: fixed BSOD when starting a VM with enabled host interface (bug #3414)
* Linux hosts: do proper reference counting to prevent unloading the vboxnetflt module as long as this code is in use (bug #3104)
* Linux hosts: do not leave zombies of VBoxSysInfo.sh (bug #3586)
* Linux installers: fixes for Slackware, Arch Linux and Linux from Scratch systems
* Windows installers: combined installer executable which contains both (32- and 64-bit) architectures.
* VBoxManage: less cryptic command-line error messages
* VBoxManage list vms commands now default to compact format
* VBoxManage controlvm dvdattach did not work if the image was attached before
* VBoxManage: allow creation of all supported disk image variants
* VBoxManage showvminfo: don’t spam the release log if the additions don’t support statistics information (bug #3457)
* VBoxManage: big command line processing cleanup, the legacy single-dash options are deprecated and will be removed in the next major release, so switch to the new options now
* Hard disks: improved immutable disk support to auto-reset diff file at VM startup (related to bug #2772)
* GUI: enable the audio adapter by default for new VMs
* GUI: warn if VT-x/AMD-V is not operational when starting a 64-bit guest
* GUI: deactivate 64-bit guest support when the host CPU does not support VT-x/AMD-V
* GUI: removed floppy icon from the status bar
* GUI: show build revision in about dialog
* GUI: fixed sticky status bar text
* GUI: improved error dialogs
* GUI: fail with an appropriate error message when trying to boot a read-only disk image (bug #1745)
* GUI/Mac OS X: fixed disabled close button
* GUI/Windows: re-enabled support for copy and paste (Windows hosts 2.0 regression; bug #2065)
* 3D support: added OpenGL select/feedback support (bug #2920)
* 3D support: close OpenGL subsystem for terminated guest applications (bug #3243)
* 3D support: fixed VM hangs when starting guests with 3D acceleration enabled (bug #3437)
* PXE: fixed boot hangs when hardware virtualization is used (bug #2536)
* LsiLogic: fixed problems with Solaris guests
* Main API: close machine settings XML file when unregistering machine (bug #3548)

Changelog:

* Host and guest clipboard: fixed a number of issues affecting hosts and guests running the X window system.
* Guest Additions: make sure the virtual mouse autodetection works on first reboot after installing the Additions on X.Org server 1.5 and later.
* Guest Additions: properly report process identity number of running services
* Guest Additions: clean up properly if the X Window server terminates
* Linux Additions: fixed installation path for OpenGL libraries in some 64-bit guests (bug #3693)
* Solaris Additions: fixed installation to work when X.Org is not installed on the guest
* Solaris Additions: fixed a bug that could panic the guest when unmounting a busy shared folder
* Windows Additions: fixed mouse pointer integration of some Windows guests (2.2.0 regression, bug #3734)
* Windows Additions: fixed installation on Windows Server 2008 Core (bug #2628)
* Main: do not try to use older versions of D-Bus (Linux hosts only, bug #3732)
* VMM: fixed out-of-memory conditions on Windows hosts (bug #3657)
* VMM: fixed occasional hangs when attaching USB devices during VM startup (2.2.0 regression; bugs #3787)
* VMM: fixed guru meditation related to memory management (software virtualization only)
* Virtual disks: fix possible data corruption when writing to diff images, incorrect detection of redundant writes
* GUI: reworked network settings dialog
* GUI: properly show the detailed settings dialog of NAT networks (bug #3702)
* GUI: HostKey could not be changed (2.2.0 regression, bug #3689)
* GUI: fixed memory textfield size (Windows hosts only; bug #3679)
* GUI: fixed crash when selecting a shared folder path (Windows hosts only; bugs #3694, #3751, #3756)
* VBoxManage modifyhd --compact: implemented again for VDI files, and now supports relative paths (bug #2180, #2833)
* VBoxManage snapshot discard: made it work again (2.1.0 regression; bug #3714)
* NAT: on some Windows host, the guest didn’t receive a DHCP lease (bug #3655)
* NAT: fixed release assertion during poll() (bug #3667)
* Clipboard: fixed random crahes (X11 hosts only, bug #3723)
* Shared Folders: fixed incorrect permissions for Solaris guests
* Shared Folders: fixed wrong file sizes with Solaris guests
* CBindings: fixed possible memory leak while releasing the IVirtualBox and ISession Objects
* Solaris hosts: fixed host-only network interface incompatibility with nwam/dhcpagent (bug #3754)
* Windows installer: fixed several install and uninstall issues (bugs #3659, #3686, #1730, #3711, #3373, #3382, #3701, #3685, #3710)
* Mac OS X hosts: preliminary support for Snow Leopard

Changelog:
* Windows Installer: fixed a potential hang during installation
* Windows Installer: fixed several problems (bug #3892)
* Solaris hosts: make it work with Solaris build 114 or later (bug #3981)
* Solaris hosts: fixed a bug serial port character handling found during loopback (bug #3120)
* Linux hosts: adapted vboxdrv.sh to the latest changes in VBoxManage list runningvms (bug #4034)
* Windows hosts: fixed a crash caused by host-only/bridged networking
* Mac OS X hosts: fixed access to host DVD with passthrough disabled (bug #4077)
* Guest Additions: fixed problems with KDE 4 not recognizing mouse clicks
* Windows Additions: fixed incorrect 8-bit guest color depth in Windows 7 guests
* GUI: warn if VT-x/AMD-V could not be enabled for guests that require this setting (bug #4055)
* VMM: fixed occassional crash due to insuffient memory
* VMM: fixed hanging 64 bits Solaris guests
* VMM: restore from a saved state occassionally failed (bugs #3984 and #2742)
* Clipboard: fixed a deadlock while shutting down the shared clipboard on X11 hosts (bug #4020)
* OVF: fixed potential hang during import
* OVF: fixed potential crashes during import/export on Win64 hosts
* VBoxManage modifyhd --compact: fixed bug which could lead to crashes and image corruption (bug #3864)
* VBoxManage metrics collect: now flushes the output stream.
* VHD: made VBoxManage internalcommands sethduuid work for .vhd files (bug #3443)
* VHD: some .vhd files could not be cloned (bug #4080)
* VMDK: fixed creating snapshots
* NAT: improvement of TCP connection establisment (bug #2987)
* NAT: fixed order of DNS servers in DHCP lease (bug #4091)
* NAT: fixed DHCP lease for multiple name servers (bug #3692)
* NAT: fixed a potential segfault if the host lost its connectivity (bug #3964)
* Shared Folders: deny access to parent directories on Windows hosts (bug #4090)
* Shared Folders: make rm/rmdir work with Solaris guests on Windows hosts
* Networking: fixed the problem with blocked receiving thread when a broadcast packet arrives too early to be handled by uninitialized e1000 adapter.
* Networking: fixed the problem that caused host freezes/crashes when using bridged mode with host’s interface having RX checksum offloading on (bug #3926 and related). Fixes problems with TX offloading as well (bug #3870)
* PXE boot: Added support for PRO/1000 MT Server adapter.
* Python bindings: fixed keyword conflict
* SCSI: fixed occasional crashes on Win64
* Serial: allow to redirect the serial port to a raw file (bug #1023)
* VRDP: fixed a rare incorrect screen update

Changelog:

VirtualBox 3.0.0 (released 2009-06-30)

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

* Guest SMP with up to 32 virtual CPUs (VT-x and AMD-V only; see chapter 3.7.2.2 of the user manual)
* Windows guests: ability to use Direct3D 8/9 applications / games (experimental; see chapter 4.8 of the user manual)
* Support for OpenGL 2.0 for Windows, Linux and Solaris guests

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

* Solaris hosts: allow suspend/resume on the host when a VM is running (bug #3826)
* Solaris hosts: loosen the restriction for contiguous physical memory under certain conditions
* Mac OS X hosts: fixed guest PAE
* Linux hosts: kernel module compile fixes for 2.6.31 (bug #4264)
* VMM: fixed occasional guru meditation when loading a saved state (VT-x only)
* VMM: eliminated IO-APIC overhead with 32 bits guests (VT-x only, some Intel CPUs don’t support this feature (most do); bug #638)
* VMM: fixed 64 bits CentOS guest hangs during early boot (AMD-V only; bug #3927)
* VMM: performance improvements for certain PAE guests (e.g. Linux 2.6.29+ kernels)
* VMM: some Windows guests detected a completely wrong CPU frequency (bug #2227)
* VMM: fixed hanging and unkillable VM processes (bug #4040)
* VMM: fixed random infrequent guest crashes due to XMM state corruption (Win64 hosts only)
* VMM: performance improvements for network I/O (VT-x/AMD-V only)
* GUI: added mini toolbar for fullscreen and seamless mode (Thanks to Huihong Luo)
* GUI: redesigned settings dialogs
* GUI: allow to create/remove more than one host-only network adapters (non Windows hosts)
* GUI: display estimated time for long running operations (e.g. OVF import/export)
* GUI: fixed rare hangs when open the OVF import/export wizards (bug #4157)
* 3D support: fixed VM crashes for client applications using incorrect OpenGL states
* 3D support: fixed memory corruption when querying for supported texture compression formats
* 3D support: fixed incorrect rendering of glDrawRangeElements
* 3D support: fixed memory leak when using VBOs
* 3D support: fixed glew library detection
* 3D support: fixed random textures corruption
* VRDP: support Windows 7 RDP client
* Networking: fixed another problem with TX checksum offloading with Linux kernels up to version 2.6.18
* NAT: fixed “open ports on virtual router 10.0.2.2 - 513, 514” (forum)
* NAT: allow to configure socket and internal parameters
* NAT: allow to bind sockets to specific interface
* PXE boot: significant performance increase (VT-x/AMD-V only)
* VHD: properly write empty sectors when cloning of VHD images (bug #4080)
* VHD: fixed crash when discarding snapshots of a VHD image
* VHD: fixed access beyond the block bitmap which could lead to arbitrary crashes
* VBoxManage: fixed incorrect partition table processing when creating VMDK files giving raw partition access (bug #3510)
* VBoxManage: support cloning to existing image file
* OVF: several OVF 1.0 compatibility fixes
* OVF: fixed exporting of disk images when multiple virtual machines are exported at once
* Virtual mouse device: eliminated micro-movements of the virtual mouse which were confusing some applications (bug #3782)
* Shared Folders: sometimes a file was created using the wrong permissions (2.2.0 regression; bug #3785)
* Shared Folders: allow to change file attributes from Linux guests and use the correct file mode when creating files
* Shared Folders: some content was incorrectly written under certain conditions (bug #1187)
* Shared Folders: fixed incorrect file timestamps, when using Windows guest on a Linux host (bug #3404)
* X11 clipboard: fix duplicate end of lines (bug #4270)
* X11 guests: a number of shared clipboard fixes
* Linux guests: Guest Additions support for SUSE Linux Enterprise Desktop 11
* Linux guests: new daemon vboxadd-service to handle time synchronization and guest property lookup
* Linux guests: implemented guest properties (OS info, logged in users, basic network information)
* Windows host installer: VirtualBox Python API can now be installed automatically (requires Python and Win32 Extensions installed)
* USB: Support for high-speed isochronous endpoints has been added. In addition, read-ahead buffering is performed for input endpoints (currently Linux hosts only). This should allow additional devices to work, notably webcams (bug #242).
* USB: fixed error handling for some USB dongles
* Web service: fixed inability to handle NULL pointers for object arguments, which are valid values for a lot of APIs, in both the raw and the object-oriented web service.
* Web service: object-oriented bindings for JAX-WS did not exhibit interface inheritance correctly, fixed
* Web service: added support for IDisplay and IGuest interfaces, which were previously unavailable
* Registration dialog uses Sun Online accounts now