A distanza di pochissimi giorni dal rilascio della versione 1.6.6, viene rilasciata oggi la versione 2.0.0 major update.

Come si legge nel Changelog, presenta diverse novità, tra cui il supporto ai 64bit per le macchine virtuali (solo su sistemi a 64 bit),:

VirtualBox 2.0.0 (released 2008-09-04)

  • 64 bits guest support (64 bits host only)
  • New native Leopard user interface on Mac OS X hosts
  • The GUI was converted from Qt3 to Qt4 with many visual improvements
  • New-version notifier
  • Guest property information interface
  • Host Interface Networking on Mac OS X hosts
  • New Host Interface Networking on Solaris hosts
  • Support for Nested Paging on modern AMD CPUs (major performance gain)
  • Framework for collecting performance and resource usage data (metrics)
  • Added SATA asynchronous IO (NCQ: Native Command Queuing) when accessing raw disks/partitions (major performance gain)
  • Clipboard integration for OS/2 Guests
  • Created separate SDK component featuring a new Python programming interface on Linux and Solaris hosts
  • Support for VHD disk images

In addition, the following items were fixed and/or added:

  • VMM: VT-x fixes
  • AHCI/SATA: improved performance
  • GUI: keyboard fixes
  • Linux installer: properly uninstall the package even if unregistering the DKMS module fails
  • Linux additions: the guest screen resolution is properly restored
  • Network: added support for jumbo frames (> 1536 bytes)
  • Shared Folders: fixed guest crash with Windows Media Player 11
  • Mac OS X: Ctrl+Left mouse click doesn’t simulate a right mouse click in the guest anymore. Use Hostkey+Left for a right mouse click emulation. (bug #1766)

la versione per Ubuntu Hardy è scaricabile da qui.