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12 Change log
• VBoxManage modifyhd --compact: implemented again for VDI files, and
now supports relative paths (bug #2180, #2833)
• VBoxManage snapshot discard: made it work again (2.1.0 regression; bug
#3714)
• NAT: on some Windows hosts, the guest didn’t receive a DHCP lease (bug #3655)
• NAT: fixed release assertion during poll() (bug #3667)
• Networking: fixed a deadlock caused by the PCnet network device emulation
(2.2.0 regression, bug #3676)
• Clipboard: fixed random crashes (X11 hosts only, bug #3723)
• Shared Folders: fixed incorrect permissions for Solaris guests
• Shared Folders: fixed wrong file sizes with Solaris guests
• CBindings: fixed possible memory leak while releasing the IVirtualBox and ISes-
sion Objects
• Solaris hosts: fixed host-only network interface incompatibility with nwam/dhcpagent
(bug #3754)
• Windows installer: fixed several install and uninstall issues (bugs #3659,
#3686, #1730, #3711, #3373, #3382, #3701, #3685, #3710)
• Mac OS X hosts: preliminary support for Snow Leopard
12.4 Version 2.2.0 (2009-04-08)
This version is a major update. The following major new features were added:
• OVF (Open Virtualization Format) appliance import and export (see chapter 3.8,
Importing and exporting virtual machines, page 56)
• Host-only networking mode (see chapter 6.7, Host-only networking, page 89)
• Hypervisor optimizations with significant performance gains for high context
switching rates
• Raised the memory limit for VMs on 64-bit hosts to 16GB
• VT-x/AMD-V are enabled by default for newly created virtual machines
• USB (OHCI & EHCI) is enabled by default for newly created virtual machines
(Qt GUI only)
• Experimental USB support for OpenSolaris hosts
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