[vbox-dev] Announcement: VirtualBox 3.1 Beta 3 released

Frank Mehnert Frank.Mehnert at Sun.COM
Wed Nov 25 21:47:17 GMT 2009

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.

You can download the binaries here:


Please do NOT open bug reports at http://www.virtualbox.org/wiki/Bugtracker
but use our 'VirtualBox Beta Feedback' forum at


to report any problems with the Beta. See the 3.1.0 Beta 3 forum
announcement for some more information:


Notable changes since version 3.1.0 Beta 2:

 * VMM: fixes slow OpenSolaris booting (3.1.0 Beta 1 regression)
 * GUI: prevent hints being send for guest-initiated resizes
 * GUI: fix for saved mouse shape data which was incorrectly updated
 * Xml compatibility fixes with 3.0.x (CpuIdTree element)
 * Storage/VMDK: fix buffers for really huge VMDK files split into
   2G pieces
 * EFI: added 64-bit firmware
 * 2D support: Saved state save/restore fixes
 * 2D support: fixed VM reset issues
 * Snapshots: suppresses the automatic resetting of immutable disk
   images on VM power-up if the machine has snapshots AND the current
   snapshot is an online snapshot, to avoid data corruption (the machine
   would otherwise be reset to a state which is equivalent of a poweroff
   of a running machine without a proper shutdown)
 * Guest Additions: fixed a rare guest crash with 2 or more guest CPUs
 * Windows Additions: improved file version lookup for guest OS
 * Windows Additions: disabled some debug output
 * Linux Additions: fixed guests with Linux 2.4 kernels
 * Linux Additions: removed debugging symbols to save space
   (3.1.0 Beta 2 regression)
 * X11 Additions: fixed a bug which re-enabled the graphics (and
   dynamic resizing) capability when disabling seamless
 * X11 Additions: added more default resolutions for old guests
 * X11 Additions: workaround a bug in X.Org 1.3 which caused dynamic
   resizing to fail

See the ChangeLog in the 3.1 Beta 1 announcement


for a more complete list of all changes since version 3.0.12.

Kind regards,

Dr.-Ing. Frank Mehnert

Sitz der Gesellschaft:
Sun Microsystems GmbH, Sonnenallee 1, 85551 Kirchheim-Heimstetten
Amtsgericht München: HRB 161028
Geschäftsführer: Thomas Schröder, Wolfgang Engels, Wolf Frenkel
Vorsitzender des Aufsichtsrates: Martin Häring
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