= Changelog for VirtualBox 3.1 =

'''!VirtualBox 3.2.0''' (released 2010-05-18)[[BR]][[BR]]
This version is a major update. The following major new features were added:
 * Following the acquisition of Sun Microsystems by Oracle Corporation, the product is now called ''Oracle VM !VirtualBox'' and all references were changed without impacting compatibility
 * Experimental support for Mac OS X guests (see the manual for more information)
 * Memory ballooning to dynamically in- or decrease the amount of RAM used by a VM (64-bit hosts only) (see the manual for more information)
 * Page Fusion automatically de-duplicates RAM when running similar VMs thereby increasing capacity. Currently supported for Windows guests on  64-bit hosts (see the manual for more information)
 * CPU hot-plugging for Linux (hot-add and hot-remove) and certain Windows guests (hot-add only) (see the manual for more information)
 * New Hypervisor features: with both VT-x/AMD-V on 64-bit hosts, using large pages can improve performance (see the manual for more information); also, on VT-x, unrestricted guest execution is now supported (if nested paging is enabled with VT-x, real mode and protected mode without paging code runs faster, which mainly speeds up guest OS booting)
 * Support for deleting snapshots while the VM is running
 * Support for multi-monitor guest setups in the GUI for Windows guests (see the manual for more information)
 * USB tablet/keyboard emulation for improved user experience if no Guest Additions are available (see the manual for more information).
 * LsiLogic SAS controller emulation (see the manual for more information)
 * RDP video acceleration (see the manual for more information)
 * NAT engine configuration via API and VBoxManage
 * Use of host I/O cache is now configurable (see the manual for more information)
 * Guest Additions: added support for executing guest applications from the host system (replaces the automatic system presimparation feature; see the manual for more information)
 * OVF: enhanced OVF support with custom namespace to preserve settings that are not part of the base OVF standard

In addition, the following items were fixed and/or added:
 * VMM: fixed Windows 2000 guest crash when configured with a large amount of RAM (bug #5800) 
 * Linux/Solaris guests: PAM module for automatic logons added
 * GUI: guess the OS type from the OS name when creating a new VM
 * GUI: added VM setting for passing the time in UTC instead of passing the local host time to the guest (bug #1310)
 * GUI: fixed seamless mode on secondary monitors (bugs #1322 and #1669)
 * GUI: offer to download the user manual in the OSE version (bug #6442)
 * Main: allow to start a VM even if a virtual DVD or floppy medium is not accessible
 * Settings: be more robust when saving the XML settings files
 * Mac OS X: rewrite of the CoreAudio driver and added support for audio input (bug #5869)
 * Mac OS X: external VRDP authentication module support (bug #3106)
 * Mac OS X: Moved the realtime dock preview settings to the VM settings (no global option anymore). Use the dock menu to configure it.
 * Mac OS X: added the VM menu to the dock menu
 * 3D support: fixed corrupted surface rendering (bug #5695)
 * 3D support: fixed VM crashes when using ARB_IMAGING (bug #6014)
 * 3D support: fixed assertion when guest applications uses several windows with single OpenGL context (bug #4598)
 * 3D support: added GL_ARB_pixel_buffer_object support
 * 3D support: added OpenGL 2.1 support
 * 3D support: fixed Final frame of Compiz animation not updated to the screen (Mac OS X only) (bug #4653)
 * 3D support: fixed blank screen after loading snapshot of VM with enabled Compiz
 * Added support for virtual high precision event timer (HPET)
 * OVF: fixed mapping between two IDE channels in OVF and the one IDE controller in !VirtualBox
 * OVF: fix VMDK format string identifiers and sort XML elements from rasd: namespace alphabetically as prescribed by standard
 * VBoxShell: interactive Python shell extended to be fully functional TUI for VirtualBox
 * Linux Additions: support Fedora 13 (bug #6370)
 * VBoxManage: fixed overly strict checks when creating a raw partition VMDK (bugs #688, #4438)

For the changelog of previous !VirtualBox series, have a look at
 * [wiki:Changelog VirtualBox 3.2]
 * [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]