Changelog

VirtualBox 3.1.4 (released 2010-02-12)

• 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 (bug #3945)
• VMM: fixed incompatibility with 2.6.32 Linux kernels (software virtualization only; bug #6100)
• 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
• VMM: fixed VM crash with certain 16 bits Windows applications (software virtualization only; bug #5399)
• Snapshots: fixed a 3.1 regression that broke deletion of snapshots when a machine had immutable or writethrough storage attached (bug #5727)
• Saved state: fixed VERR_SSM_LOADED_TOO_MUCH error when loading DisplayScreenshot(bug #6162)
• 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
• GUI: fixed guest fullscreen mode after reboot (bug #5372)
• GUI: handle Ctrl+Break properly on X11 hosts (bug #6122)
• GUI: fixed status LEDs for storage devices
• GUI: workaround for disabling the seamless mode on KDE hosts (KWin bug)
• 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)
• 3D support: fixed ubigraph_server crashes (#4674)
• 3D support: fixes for 64-bit Solaris guests
• 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
• NAT: fixed rare crash due to an assertion in the ICMP code (bug #3217)
• 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)
• VRDP: fixed crash on Mac OS X when 3D is enabled (3.1 regression)
• 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

VirtualBox 3.1.2 (released 2009-12-17)

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

• VMM: fixed SMP stability regression
• USB: fixed USB related host crashes on 64 bits Windows hosts (#5237)
• Main: wrong default HWVirtExExclusive value for new VMs (bug #5664)
• Main: DVD passthrough setting was lost (bug #5681)
• VBoxManage: iSCSI disks do not support adding a comment (bug #4460)
• VBoxManage: added missing --cpus and --memory options to OVF --import
• GUI: fixed VBox URL in update dialog for German and Dutch languages
• GUI: NLS updates
• OVF: fixed export of non standard storage controller names (bug #5643)
• Solaris hosts: several USB fixes (including support for Apple iPhone)
• Mac OS X hosts: several fixes for the 3D support
• Mac OS X hosts: re-enabled CMD+Key combinations, even if the Host-Key isn't CMD (bug #5684)
• Mac OS X hosts: fixed to fast scrolling if the mouse wheel is used inside the guest (bug #5672)
• Mac OS X hosts: dock & menubar don't disappear in fullscreen when the VM is not running on the primary display (bug #1762)
• Mac OS X hosts: added an option for enabling "Auto show Dock & Menubar in fullscreen" (bug #5636)
• Windows host installer: fixed starting VBox with wrong privileges right after installation (bug #4162)
• Host interface and host-only networking: prevent driver from unloading while a VM is still active (Windows host only)
• Host-only networking: fixed host-only interface creation (Windows host only) (bug #5708)
• Virtio-net: don't crash without an attached network
• Virtio-net: fixed the issue with intermittent network in VM with several virtual CPU cores.
• NAT: fixed port-forwarding regressions (bug #5666)
• NAT: fixed crash under certain conditions (bug #5427)
• NAT: fixed resolving of names containing a slash or underscore when using the host resolver DNS proxy (bug #5698)
• ATA: fixed sporadic crash when resuming after a VM was forcefully paused (e.g. due to iSCSI target being unavailable)
• SATA: fixed raw vmdk disks (bug #5724)
• Linux guests: increased the default memory for Redhat and Fedora guests
• Linux Guest Additions: fixed installation on RHEL 3.9 guests and on some 64bit guests
• Linux Guest Additions: prevent SELinux warnings concerning text relocations in VBoxOGL.so (bug #5690)
• X11 guests: fixed mouse support for some Xorg 1.4 guests (openSUSE 11.0)
• X11 guests: fixed xorg.conf modification for some older Xorg releases (openSUSE 11.1)
• Windows guests: fixed some VBoxService shutdown issues
• Windows guests: fixed VBoxVideo spinlock issues on NT4
• Windows Guest Additions: fixed uninstallation issues of NT4
• Shared folders: fixed resolving of symlink target (bug #5631)
• 2D Video acceleration: delay loading of OpenGL dlls for Windows hosts to avoid GUI crashes on misconfigured systems
• 2D Video acceleration: fixed issues with video picture not displayed on playback

VirtualBox 3.1.0 (released 2009-11-30)

This version is a major update. The following major new features were added:

• Teleportation (aka live migration); migrate a live VM session from one host to another (see the manual for more information)
• VM states can now be restored from arbitrary snapshots instead of only the last one, and new snapshots can be taken from other snapshots as well ("branched snapshots"; see the manual for more information)
• 2D video acceleration for Windows guests; use the host video hardware for overlay stretching and color conversion (see the manual for more information)
• More flexible storage attachments: CD/DVD drives can be attached to an arbitrary IDE controller, and there can be more than one such drive (the manual for more information)
• The network attachment type can be changed while a VM is running
• Complete rewrite of experimental USB support for OpenSolaris hosts making use of the latest USB enhancements in Solaris Nevada 124 and higher
• Significant performance improvements for PAE and AMD64 guests (VT-x and AMD-V only; normal (non-nested) paging)
• Experimental support for EFI (Extensible Firmware Interface; see the manual for more information)
• Support for paravirtualized network adapters (virtio-net; see the manual for more information)

In addition, the following items were fixed and/or added:

• VMM: guest SMP fixes for certain rare cases
• GUI: snapshots include a screenshot
• GUI: locked storage media can be unmounted by force
• GUI: the a log window grabbed all key events from other GUI windows (bug #5291)
• GUI: allow to disable USB filters (bug #5426)
• GUI: improved memory slider in the VM settings
• GUI: the VirtualBox website couldn't be opened from the help menu (bug #4559)
• 3D support: major performance improvement in VBO processing
• 3D support: added GL_EXT_framebuffer_object, GL_EXT_compiled_vertex_array support
• 3D support: fixed crashes in FarCry, SecondLife, Call of Duty, Unreal Tournament, Eve Online (bugs #2801, #2791)
• 3D support: fixed graphics corruption in World of Warcraft (#2816)
• 3D support: fixed Final frame of Compiz animation not updated to the screen (#4653)
• 3D support: fixed incorrect rendering of non ARGB textures under compiz
• iSCSI: support iSCSI targets with more than 2TiB capacity
• VRDP: fixed occasional VRDP server crash (bug #5424)
• Network: fixed the E1000 emulation for QNX (and probably other) guests (bug #3206)
• NAT: added host resolver DNS proxy (see the manual for more information)
• VMDK: fixed incorrectly rejected big images split into 2G pieces (bug #5523, #2787)
• VMDK: fixed compatibility issue with fixed or raw disk VMDK files (bug #2723)
• VHD: fixed incompatibility with Hyper-V
• Support for Parallels version 2 disk image (HDD) files; see the manual for more information
• OVF: create manifest files on export and verify the content of an optional manifest file on import
• OVF: fixed memory setting during import (bug #4188)
• Mouse device: now five buttons are passed to the guest (bug #3773)
• VBoxHeadless: fixed loss of saved state when VM fails to start
• VBoxSDL: fixed crash during shutdown (Windows hosts only)
• X11 based hosts: allow the user to specify their own scan code layout (bug #2302)
• Mac OS X hosts: don't auto show the menu and dock in fullscreen (bug #4866)
• Mac OS X hosts (64 bit): don't interpret mouse wheel events as left click (bug #5049)
• Mac OS X hosts: fixed a VM abort during shutdown under certain conditions
• Solaris hosts: combined the kernel interface package into the VirtualBox main package
• Solaris hosts: support for OpenSolaris Boomer architecture (with OSS audio backend).
• Shared folders: VBOXSVR is visible in Network folder (Windows guests, bug #4842)
• Shared folders: performance improvements (Windows guests, bug #1728)
• Windows, Linux and Solaris Additions: added balloon tip notifier if VirtualBox host version was updated and Additions are out of date
• Solaris guests: fixed keyboard emulation (bug #1589)
• Solaris Additions: fixed as_pagelock() failed errors affecting guest properties (bug #5337)
• Windows Additions: added automatic logon support for Windows Vista and Windows 7
• Windows Additions: improved file version lookup for guest OS information
• Windows Additions: fixed runtime OS detection on Windows 7 for session information
• Windows Additions: fixed crash in seamless mode (contributed by Huihong Luo)
• Linux Additions: added support for uninstalling the Linux Guest Additions (bug #4039)
• Linux guest shared folders: allow mounting a shared folder if a file of the same name as the folder exists in the current directory (bug #928)
• SDK: added object-oriented web service bindings for PHP5

For the changelog of previous VirtualBox series, have a look at

• VirtualBox 3.0
• VirtualBox 2.2
• VirtualBox 2.1
• VirtualBox 2.0
• VirtualBox 1.6