Please do not use this VirtualBox Beta release on production machines. A VirtualBox Beta release should be considered a bleeding-edge release meant for early evaluation and testing purposes.


Please do NOT open bug reports at http://www.virtualbox.org/wiki/Bugtracker but use our VirtualBox Beta Feedback forum to report any problems with the Beta. Please concentrate on reporting regressions since VirtualBox 3.1.2.

Version 3.1.4 will be a maintenance release. The following items were fixed and/or added:

* VMM: SMP stability fixes
* VMM: fixed guru meditation in certain rare cases (bug #5968)
* VMM: activate NXE for PAE enabled guests (VT-x and AMD-V on 32 bits hosts only; bug #3578)
* VMM: added workaround for broken BIOSes that make VirtualBox think AMD-V is in use (for details see bug #5639)
* VMM: fixed rare host reboot when restoring a saved state
* VMM: turn on nested paging by default for new VMs (if available; VT-x and AMD-V only)
* VMM: turn on VPID by default for new VMs (if available; VT-x only)
* VMM: perform strict CPUID compatibility checks when teleporting; to get the old behavior set VBoxInternal/CPUM/StrictCpuIdChecks to 0
* VBoxManage: add restorecurrent operation to snapshots command
* VBoxManage: fixed broken snapshot lookup by name (bug #6070)
* GUI: fixed the broken "Reload" button that reloads the machine XML when a machine is inaccessible
* 3D Support: fixed SELinux warning saying VBoxOGL.so requires text relocation (bug #5690)
* 3D Support: fixed Corrupted surface rendering (bug #5695)
* 3D Support: free textures on guest application termination (bug #5206)
* Seamless: disable seamless mode when guest changes screen resolution (bug #5655)
* NAT: fixed high CPU load under certain circumstances (Windows hosts only; bug #5787)
* NAT: fixed handling of the broadcast flag in DHCP requests
* Virtio-net: don´t crash when ports accessed beyond the valid range (bug #5923)
* LsiLogic: fix for Windows 7 guests
* ATA: fix for guru meditation when installing Solaris 8 guests (bug #5972)
* VHD: fixed an incompatibility with Virtual PC (bug #5990)
* VHD: update the footer backup after setting a new UUID (bug #5004)
* Host DVD: really fixed loading "passthrough" setting from config file (bug #5681)
* Shared folders: fixed resolving of symlink target on Linux (3.1.2 regression)
* VRDP: fixed VERR_NET_ADDRESS_IN_USE error when restarting a VM (3.1 regression; bug #5902)
* PulseAudio: fixed recording (bug #4302)
* USB: fixed a shutdown blue screen (Windows hosts only; bug #5885)
* BIOS: fixed attribute during text scroll (bug #3407)
* OVF: fix strange error messages on disk import errors
* OVF: do not require write access the the .ovf file during import (3.1 regression; bug #5762)
* iSCSI: fix taking snapshots of a running VM (#5849)
* Solaris hosts: several USB fixes (including support for Apple iPod; bug #5873)
* Solaris installer: fixed USB module removal and Solaris 10 "id" binary incompatibility
* Guest Additions: fixed wrong guest time adjustment if the guest clock is ahead (3.1 regression; non-Windows guests only)
* Linux Additions: fixed shared folders for Linux 2.6.32 guests (bug #5891)
* Linux Additions: make the mouse driver work on Debian 5.0.3 guests again (3.1.2 regression, bug #5832)
* Windows Additions: fixed malfunctioning VBoxService that broke time-sync (bug #5872)
* Windows Additions: fixed uninstallation issues on 64-bit guests
* Windows Additions: fixed some sysprep execution issues
* X.Org Additions: never reject the saved video mode as invalid (bug #5731)
* XFree86 Additions: accept video mode hints for the initial mode again