VirtualBox 4.1.4 features automatic extension updates
The second of two maintenance releases following version 4.1, Oracle's open-source x86 virtualisation software VirtualBox 4.1.4 features over 30 bug fixes. One of the biggest changes is the addition of automatic updates for VirtualBox extensions, which warns users when an extension pack has become out-dated. USB subsystem errors under Windows 7 have been fixed, in addition to a long-time bug under Windows where VM (Virtual Machine) settings were not being stored correctly. Another long-time bug that prevented VMs from being migrated between operating systems due to a path name problem has finally been fixed.
The Mac OS X version of VirtualBox has seen comparatively few changes, with an issue that caused the VirtualBox GUI (Graphical User Interface) to lock-up during the start-up of a VM being one of the major fixes. For Linux, a bug that prevented removable storage from being detached after restoring a VM snapshot has been fixed, and hard-links that caused the installation of VirtualBox to fail on file systems such as OpenAFS have been removed. Two hardware acceleration issues, one causing incorrect rendering and potential crashes when switching to/from full screen, the other causing problems when using Compiz under Ubuntu 9.10, have also been fixed.
VirtualBox Additions has also seen a number of changes. Under Windows, several graphical issues with Aero have been fixed, as well as a BSoD (Blue Screen of Death) caused by the SnippingTool. Unresponsive behaviour suffered by several Linux distributions under VirtualBox 4.1.2 are now fixed, the OpenSUSE 12.1 beta now functions correctly with VirtualBox Additions, and Linux VMs now support X.Org Server 1.11. Memory leaks and crashes when unmounting shared folders under Solaris have also been fixed.
More information on the update can be found in the change log. VirtualBox 4.1.4 is available to download for Windows, Mac OS X, Linux, and Solaris. Both the base Oracle VM VirtualBox product source code and the binary are licensed under the GPLv2, while the Extension Pack mechanism, which allows third-party sources to add their own add-on functionality, is licensed under the PUEL.
- VirtualBox 4.1 supports cloning of VMs, a report from The H.