= Changelog =

'''!VirtualBox 3.1.0''' (released 2009-11-30)[[BR]][[BR]]
This version is a major update. The following major new features were added:
 * Teleportation (aka live migration); migrate a live VM session from one host to another (see the manual for more information)
 * VM states can now be restored from arbitrary snapshots instead of only the last one, and new snapshots can be taken from other snapshots as well ("branched snapshots"; see the manual for more information)
 * 2D video acceleration for Windows guests; use the host video hardware for overlay stretching and color conversion (see the manual for more information)
 * More flexible storage attachments: CD/DVD drives can be attached to arbitrary storage controllers, and there can be more than one such drive (the manual for more information)
 * The network attachment type can be changed while a VM is running
 * Complete rewrite of experimental USB support for !OpenSolaris hosts making use of the latest USB enhancements in Solaris Nevada 124 and higher
 * Significant performance improvements for PAE and AMD64 guests (VT-x and AMD-V only; normal (non-nested) paging) 
 * Experimental support for EFI (Extensible Firmware Interface; see the manual for more information)
 * Support for paravirtualized network adapters (virtio-net; see the manual for more information)
In addition, the following items were fixed and/or added:
 * VMM: guest SMP fixes for certain rare cases
 * GUI: snapshots include a screenshot
 * GUI: locked storage media can be unmounted by force
 * GUI: the a log window grabbed all key events from other GUI windows (bug #5291)
 * GUI: allow to disable USB filters (bug #5426)
 * GUI: improved memory slider in the VM settings
 * 3D support: major performance improvement in VBO processing
 * 3D support: added ''GL_EXT_framebuffer_object'', ''GL_EXT_compiled_vertex_array'' support
 * 3D support: fixed crashes in !FarCry, !SecondLife, Call of Duty, Unreal Tournament, Eve Online (bugs #2801, #2791)
 * 3D support: fixed graphics corruption in World of Warcraft (#2816)
 * 3D support: fixed Final frame of Compiz animation not updated to the screen (#4653)
 * 3D support: fixed incorrect rendering of non ARGB textures under compiz
 * iSCSI: support iSCSI targets with more than 2TiB capacity
 * VRDP: fixed occasional VRDP server crash (bug #5424)
 * Network: fixed the E1000 emulation for QNX (and probably other) guests (bug #3206)
 * NAT: added host resolver DNS proxy (see the manual for more information)
 * VMDK: fixed incorrectly rejected big images split into 2G pieces (bug #5523, #2787)
 * VMDK: fixed compatibility issue with fixed or raw disk VMDK files (bug #2723)
 * VHD: fixed incompatibility with Hyper-V
 * Support for Parallels version 2 disk image (HDD) files; see the manual for more information
 * OVF: create manifest files on export and verify the content of an optional manifest file on import
 * OVF: fixed memory setting during import (bug #4188)
 * Mouse device: now five buttons are passed to the guest (bug #3773)
 * VBoxHeadless: fixed loss of saved state when VM fails to start
 * VBoxSDL: fixed crash during shutdown (Windows hosts only)
 * X11 based hosts: allow the user to specify their own scan code layout (bug #2302)
 * Mac OS X hosts: don't auto show the menu and dock in fullscreen (bug #4866)
 * Mac OS X hosts (64 bit): don't interpret mouse wheel events as left click (bug #5049)
 * Mac OS X hosts: fixed a VM abort during shutdown under certain conditions
 * Solaris hosts: combined the kernel interface package into the VirtualBox main package
 * Solaris hosts: support for !OpenSolaris Boomer architecture (with OSS audio backend).
 * Shared folders: VBOXSVR is visible in Network folder (Windows guests, bug #4842)
 * Shared folders: performance improvements (Windows guests, bug #1728)
 * Windows, Linux and Solaris Additions: added balloon tip notifier if VirtualBox host version was updated and Additions are out of date
 * Solaris guests: fixed keyboard emulation (bug #1589)
 * Solaris Additions: fixed as_pagelock() failed errors affecting guest properties (bug #5337)
 * Windows Additions: added automatic logon support for Windows Vista and Windows 7
 * Windows Additions: improved file version lookup for guest OS information
 * Windows Additions: fixed runtime OS detection on Windows 7 for session information
 * Windows Additions: fixed crash in seamless mode (contributed by Huihong Luo)
 * Linux Additions: added support for uninstalling the Linux Guest Additions (bug #4039)
 * Linux guest shared folders: allow mounting a shared folder if a file of the same name as the folder exists in the current directory (bug #928)
 * SDK: added object-oriented web service bindings for PHP5

For the changelog of previous !VirtualBox series, have a look at
 * [wiki:Changelog-3.0 VirtualBox 3.0]
 * [wiki:Changelog-2.2 VirtualBox 2.2]
 * [wiki:Changelog-2.1 VirtualBox 2.1]
 * [wiki:Changelog-2.0 VirtualBox 2.0]
 * [wiki:Changelog-1.6 VirtualBox 1.6]