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

• VMM: fixed incorrect handling of ballooned pages when restoring a VMM from a saved state
• VMM: don't crash on hosts with more than 64 cores / hyperthreads; implemented support for up to 256 host cores (except Windows hosts; bug #8489)
• VMM: fixed guru meditation for PAE guests running on hosts without PAE (bug #8006)
• VMM: fixed slow Linux guests with raw mode and recent guest kernels (bug #8726)
• GUI: support host key combinations (bug #979)
• GUI: fixed progress indicator (bug #7814)
• GUI: show the mouse pointer while the VM is paused if the USB tablet mouse emulation is used (bug #6799)
• GUI: adapt the snapshot folder as well when renaming a VM (bug #8469)
• GUI: persistently remember the last folders of the disk/DVD/floppy selectors
• GUI: never allow to start a VM with USB-2.0 activated if the proper extension pack is missing (bug #8182)
• GUI: fixed hang/crash when opening a file dialog in an non-existing folder (bug #8673)
• Snapshots: fixed a bug which could lose entries in the media registry when restoring a snapshot (bug #8363)
• Snapshots: allow snapshots to be stored in the VM directory
• 3D support: fixed a crash if a VM was forced to terminate (Windows hosts only; bug #7133)
• Storage: fixed memory leak (4.0 regression; bug #7966)
• Storage: fixed access to iSCSI targets over internal network
• Storage: fixed reading from disks with more than one snapshot for VHD and VMDK images with disabled host cache (bug #8408)
• Storage: fixed a possible hang during VM suspend after an I/O error occurred
• Storage: fixed a possible hang during VM suspend / reset (bug #8276, #8294)
• Storage: automatically create a diff image when attaching a streamOptimized VMDK image to a VM
• ATA/SATA: fixed automounting of virtual CD/DVD mediums with recent Linux distributions by correctly reporting the current profile as 'none' if no medium is present
• Buslogic: fixed emulation for certain guests (e.g. jRockit VE)
• Host-Only Networking: fixed interface creation failure on Windows hosts (4.0.4 regression; bug #8362)
• Host-Only & Bridged & Internal Networking: fix for processing promiscuous mode requests by VMs, defaulting to switch behaviour
• Host-Only Networking: fixed connectivity issue after resuming the host from sleep (bug #3625)
• Bridged Networking: support for interface bonding on Mac OS X hosts (bug #8731)
• NAT: fixed processing of ARP announcements for guests with static assigned IPs (bug #8609)
• VRDP: backward compatibility with VRDPAuth external authentication library (bug #8063)
• Shared Folders: don't fail to start a VM if a path is not absolute, for example when importing an OVF from a different host (bug #7941)
• Audio: fixed crash under certain conditions (bug #8527)
• USB: fixed a crash when plugging certain USB devices (bug #8699)
• HPET: fixed time jumps when reading the counter (bug #8707)
• OVF/OVA: automatically adjust disk paths if the VM name is changed on import
• OVF/OVA: fix export to slow medias
• OVF/OVA: automatically repair inconsistent appliances with multiple disks (bug #8253)
• rdesktop-vrdp: fixed an assertion triggered under certain conditions (bug #8593)
• Windows hosts: fixed occasional hangs during VM shutdown because sometimes COM was not properly uninitialized
• Mac OS X hosts: prevent the mouse from leaving the VM window while captured
• Mac OS X hosts: keep aspect ratio while resizing in scale mode (shift for old behaviour) (part of bug #7822)
• X11 hosts: fixed Yen key support (bug #8438)
• X11 hosts: fixed a regression which caused Host+F1 to pop up help instead of sending Ctrl+Alt+F1
• Linux hosts / Linux Additions: mangle IPRT symbols to allow installing VirtualBox inside a VM while the Guest Additions are active (bug #5686)
• Linux hosts / Linux guests: workaround for a bug in GLIBC older than version 1.11 leading to crashes under certain conditions (signed/unsigned problem with memchr on 64-bit machines)
• Solaris hosts: fixed a deadlock in event semaphores that could lead to unkillable VM processes
• Windows Additions: fixed Sysprep parameter handling
• Windows Additions: fixed spontaneous guest reboots under certain circumstances (4.0.2 regression; bugs #8406, #8429)
• Windows Additions: added auto logon support for locked workstations on legacy Windows versions
• Windows Additions: fixed driver bugcheck error when handling PnP messages (4.0 regression; bug #8367)
• Windows Additions: fixed memory leak in VBoxVideo
• X11 Additions: added support for X.Org Server 1.10 final
• Linux Additions: Linux kernel 2.6.39-rc1 fixes
• Linux Additions: improved auto-run support (bug #5509)
• Linux Additions: fix mouse support on SUSE 11 SP 1 guests (bug #7946)
• Solaris Additions: added support for X.Org Server 1.9
• Guest Additions: various bugfixes for guest control execution
• Webservice: use own log file, with log rotation to limit size