15 Change log • Mac OS X hosts: added GUI option to disable the dock icon realtime preview in the GUI to decrease the host CPU load when the guest is doing 3D • Mac OS X hosts: polished realtime preview dock icon • Windows Additions: fixed guest property and logging OS type detection for Windows 2008 and Windows 7 Beta • Windows Additions: added support for Windows 7 Beta (bugs #2995, #3015) • Windows Additions: fixed Windows 2000 guest freeze when accessing files on shared fold- ers (bug #2764) • Windows Additions: fixed CTRL-ALT-DEL handling when using VBoxGINA • Windows Additions Installer: added /extract switch to only extract (not install) the files to a directory (can be specified with /D=path) • Linux installer and Additions: added support for the Linux From Scratch distribution (bug #1587) and recent Gentoo versions (bug #2938) • Additions: added experimental support for X.Org Server 1.6 RC on Linux guests • Linux Additions: fixed bug which prevented to properly set fmode on mapped shared fold- ers (bug #1776) • Linux Additions: fixed appending of files on shared folders (bug #1612) • Linux Additions: ignore noauto option when mounting a shared folder (bug #2498) • Linux Additions: fixed a driver issue preventing X11 from compiling keymaps (bug #2793 and #2905) • X11 Additions: workaround in the mouse driver for a server crash when the driver is loaded manually (bug #2397) 15.28 Version 2.1.0 (2008-12-17) This version is a major update. The following major new features were added: • Support for hardware virtualization (VT-x and AMD-V) on Mac OS X hosts • Support for 64-bit guests on 32-bit host operating systems (experimental see chapter 3.1.2, 64-bit guests, page 40) • Added support for Intel Nehalem virtualization enhancements (EPT and VPID see chapter 10.3, Hardware vs. software virtualization, page 157) • Experimental 3D acceleration via OpenGL (see chapter 4.4.1, Hardware 3D acceleration (OpenGL and Direct3D 8/9), page 64) • Experimental LsiLogic and BusLogic SCSI controllers (see chapter 5.1, Hard disk controllers: IDE, SATA (AHCI), SCSI, SAS, page 71) • Full VMDK/VHD support including snapshots (see chapter 5.2, Disk image files (VDI, VMDK, VHD, HDD), page 73) • New NAT engine with significantly better performance, reliability and ICMP echo (ping) support (bugs #1046, #2438, #2223, #1247) 226