VMM: fixed inability to run more than one VM in parallel (AMD-V on CPUs with erratum 170 only; bug #2167)

VMM: VT-x stability fixes (bug #2179 and others)

VMM: fixed Linux 2.6.26+ kernel crashes (used by Ubuntu 8.10 Alpha, Fedora 10 Alpha; bug #1875)

VMM: fixed 64 bits Linux 2.6.26 kernel crashes (Debian)

VMM: fixed Vista (32 bits) guest crash during boot when PAE and NX are enabled (applied to 64 bits hosts with VT-x enabled only)

VMM: fixed OS/2 guest crashes during boot (AMD-V; bug #2132)

GUI: fixed crash when trying to release an inaccessible image in the virtual disk manager

GUI: fixed invalid error message for a changed snapshot path even if that path wasn't changed (bug #2064)

GUI: fixed crash when creating a new hard disk image (bug #2060)

GUI: fixed crash when adding a hard disk in the VM settings (bug #2081)

GUI: fixed a bug where VirtualBox isn't working with the new QGtkStyle plugin (bug #2066)

GUI: fixed VM close dialog in seamless mode (Mac OS X hosts only; bug #2067)

GUI: fixed standard menu entries for NLS versions (Mac OS X hosts only)

GUI: disable the VT-x/AMD-V setting when it's not supported by the CPU (or on Mac OS X hosts)

VBoxManage: fixed crash during internalcommands createrawvmdk (bug #2184)

VBoxManage: fixed output of snapshot showvminfo (bug #698)

Guest properties: added information about guest network interfaces (Windows guests only)

Shared Folders: fixed regression that caused Windows guest crashes

API: fixed number of installed CPUs (Solaris hosts only)

VRDP: allow a client to reconnect to an existing session on the VRDP server by dropping the existing connection (configurable and disabled by default; only relevant when multiconnection mode is disabled)

VRDP: fixed an image repaint problem

Linux hosts: fixed bug in vboxdrv.ko that could corrupt kernel memory and panic the kernel (bug #2078)

Linux hosts: compile fixes for kernel module on Linux 2.6.27

Mac OS X hosts: added Python support

Additions: fixed a possible hang in HGCM communication after a VM reboot

Windows Additions: added support for Windows XP 64 bits (bug #2117)

Linux Additions: deactivate dynamic resizing on Linux guests with buggy X servers

Linux Additions: support Ubuntu 8.10 guests and Fedora 9 guests (dynamic resizing disabled for the latter)

Linux Additions: added installer check for the system architecture

Linux Additions: fixed Xorg modules path for some Linux distributions (bug #2128)

VMDK: be more liberal with ambiguous parts of the format specification and accept more format variants (bug #2062)

VHD: fixed a bug in the VHD backend which resulted in reading the wrong data (bug #2085)

Solaris hosts: fixed kernel panic on certain machines when starting VMs with host interface networking (bug #2183)

Solaris hosts: fixed inability to access NFS shares on the host when host interface networking was enabled

Solaris hosts: installer now detects and reports when installing under the wrong architecture

Solaris hosts: fixed security hardening that prevented starting VMs from non-global zones even as root (bug #1948)

Solaris Additions: combined the 32 bit and 64 bit Additions installer into a single package

Mac OS X hosts: experimental support for attaching a real serial port to the guest