VirtualBox v4.1 Beta 1 - 模擬器

http://download.virtualbox.org/virtualbox/4.1.0_BETA1/

VirtualBox v4.1 Beta 1 is released. VirtualBox is a general-purpose full
virtualizer for x86/x64 hardware. Targeted at server, desktop and embedded
use, it is now the only professional-quality virtualization solution that is
also Open Source Software.

VirtualBox v4.1 Beta 1 Changelog:

This version is a major update. The following major new features were added:
- Support for cloning of VMs (bug #5853)
- GUI: enhanced wizard for creating new virtual disks
- GUI: new wizard for copying virtual disks
- VMM: raised the memory limit for 64-bit hosts to 1TB
- Windows guests: Experimental WDDM graphics driver
- Guest Additions: modules and features now are represented as facilities to
have a common interface for frontends.
- New Networking Mode: UDP Tunnel. Allows to interconnect VMs running on
different hosts easily and transparently, see chapter 6.2, Introduction to
networking modes, page 84

In addition, the following items were fixed and/or added:
- VMM: more SMP timer fixes
- VMM: fixed sporadic recompiler crashes with SMP guests
- VMM: many small fixes
- GUI: when reverting to a snapshot, ask for taking a snapshot of the current
state
- GUI: added View menu
- GUI: added setting for the promiscuous mode policy for internal networks,
bridged networks and host-only networks
- GUI: the VM description is editable during the runtime of a VM
- GUI: added proxy settings (bug #2870)
- VBoxManage: changed syntax of the guestcontrol command group, fixed various
bugs
- VBoxBalloonCtrl: new service for automatic dynamic adjustment of the
balloon size for running VMs
- Settings: machine names and snapshot names are not allowed to be a valid
UUID
- Storage: virtual CD/DVD images will be detached if the guest ejects the
medium
- Floppy: several bugs have been fixed
- BIOS: disk-related structures are now checksummed correctly
- USB: many fixes for the Windows USB host driver
- NAT: reduced memory footprint
- Serial: announce the serial devices in the ACPI tables to make Windows
guests find the virtual hardware (bug #7411)
-VRDP: support for TLS connections
- VRDP: support for multimonitor client configurations with MS RDP client
- 3D support: fixed GL_VERSION string for different locales (bug #8916)
- Windows hosts: fixed copy’n’paste in the GUI and for the VM window (bug
#4491)
- Guest Additions: improved driver installation on Windows guests
- Guest Additions: fixed high CPU usage while executing guest programs from
the host

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