VirtualBox 3.1 Released

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Date: Monday, November 30th, 2009, 09:05
Category: Software

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VirtualBox, an open source x86 virtualization project available for free has just hit version 3.1. The new version, a 65 megabyte download, sports the following fixes and changes:

- 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).
- 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.
- GUI: the VirtualBox website couldn’t be opened from the help menu (bug #4559).
- 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.

VirtualBox 3.1 is available for free and requires Mac OS X 10.4 or later and an Intel-based Mac to install and run.

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