This is a maintenance release. The following items were fixed and/or added:

• VMM: fixed network regressions (guest hangs during network IO) (bug #4343)
• VMM: guest SMP performance improvements
• VMM: fixed hangs and poor performance with Kaspersky Internet Security (VT-x/AMD-V only; bug #1778)
• VMM: fixed crashes when executing certain Linux guests (software virtualization only; bugs #2696 & #3868)
• ACPI: fixed Windows 2000 kernel hangs with IO-APIC enabled (bug #4348)
• APIC: fixed high idle load for certain Linux guests (3.0 regression)
• BIOS: properly handle Ctrl-Alt-Del in real mode
• iSCSI: fixed configuration parsing (bug #4236)
• OVF: fix potential confusion when exporting networks
• OVF: compatibility fix (bug #4452)
• NAT: fixed crashes under certain circumstances (bug #4330)
• 3D support: fixed dynamic linking on Solaris/OpenSolaris guests (bug #4399)
• 3D support: fixed incorrect context/window tracking for multithreaded apps
• Shared Folders: fixed loading from saved state (bug #1595)
• Shared Folders: host file permissions set to 0400 with Windows guest (bug #4381)
• X11 host and guest clipboard: fixed a number of issues, including bug #4380 and #4344
• X11 Additions: fixed some issues with seamless windows in X11 guests (bug #3727)
• Windows Additions: added VBoxServiceNT for NT4 guests (for time synchronization and guest properties)
• Windows Additions: fixed version lookup
• Linux hosts: workaround for buggy graphics drivers showing a black VM window on recent distributions (bug #4335)
• Linux hosts: fixed typo in kernel module startup script (bug #4388)
• Installer: support Pardus Linux
• Solaris hosts: several installer fixes
• Solaris host: fixed a preemption issue causing VMs to never start on Solaris 10 (bug #4328).
• Solaris guest: fixed mouse integration for OpenSolaris 2009.06 (bug #4365)
• Windows hosts: fixed high CPU usage after resuming the host (bug #2978)
• OVF: accept ovf:/disk/ specifiers with a single slash in addition to ovf://disk/ (bug #4452)
• Fixed a settings file conversion bug which sometimes caused hardware acceleration to be enabled for virtual machines that had no explicit configuration in the XML.