This version is a major update. The following major new features were added: Language bindings: implemented uniform Java bindings for both local (COM/XPCOM) and remote (SOAP) invocation APIs Open Virtualization Format Archive (OVA) support In addition, the following items were fixed and/or added: VMM: Support more than 1.5/2 GB guest RAM on 32-bit hosts VMM: fixed guru meditation when running Minix (VT-x only; bug #6557) Settings: Deleting a machine now automatically deletes all snapshots and saved states as well, it is no longer necessary to manually delete snapshots first; VBoxManage unregistervm --delete can do the same now Snapshots: Implement deleting the last remaining snapshot while the VM is running. Guest Additions: Shared Folders now can be marked as being auto-mounted on Windows, Linux and Solaris guests Windows Additions: automatic logon on Windows Vista/Windows 7 is now able to handle renamed user accounts; added various bugfixes 3D support: allow use of CR_SYSTEM_GL_PATH again (bug #6864) 3D support: fix host assertion for some mt guest apps (bug #5236) 3D support: fixed host crashes with nvidia drivers on wddm startup 3D support: fixed OpenGL support for 32bit apps under 64bit Windows guests 3D support: fixed various clipping/visibility issues (bugs #5659, #5794, #5848, #6018, #6187, #6570) 3D support: guest application stack corruption when using glGetVertexAttrib[ifd]v (bug #7395) 3D support: fixed broken 3D support when switching to fullscreen/seamless modes (bug #7314) SATA: allow to attach CD/DVD-ROM drives including passthrough (bug #7058) Hard disks: fix auto-reset of immutable disk at VM startup (bug #6832) Floppy: support readonly image files, taking this as the criteria for making the medium readonly (bug #5651) Audio: the DirectSound backend now allows VMs to be audible when another DirectSound application is active, including another VM (bug #5578) EFI: support for SATA disks and CDROMs OVF: creation of the manifest file on export is optional now OVF: allow overwriting the target disk format on import This is a maintenance release. The following items were fixed and/or added: VMM: fixed rare invalid guest state guru meditation (VT-x only) VMM: fixed poor performance with nested paging and unrestricted guest execution (VT-x only; bug #6716) VMM: fixed occasional guru meditation during Windows 7 bootup (bug #6728) GUI: keep the status for remote control in sync with the actual state GUI: don't exit after a successful refresh of an invalid VM configuration GUI: fixed keyboard capturing bug under metacity (bug #6727) GUI: fixed crash during VM termination if a modal dialog is open GUI: default controllers names of New VM Wizard are synchronized with VM settings GUI: fixed superfluous resize-event on powering-on VM for X11 GUI: fixed regression - missed USB item's tool-tip of USB devices menu GUI: Activate VM window on mouse-hovering for multi-monitor VMs VBoxSDL/Linux hosts: automated keyboard type detection (bug #5764) SATA: fixed crash during VM suspend under rare circumstances SATA: fixed crash during VM reset after a snapshot was taken Storage: fixed sporadic hang of SMP guests using SATA or LSI Logic SCSI and asynchronous I/O Virtio-net: fix for guests with more than about 4GB RAM (bug #6784) Page Fusion: fixed VBoxService crash with enabled Page Fusion on Win64 guests Page Fusion: added kernel module sharing HGCM: fixed memory leak which showed up if the Guest Additions were accessing a non-existing HGCM service Teleportation: several fixes Floppy: don't disable the host I/O cache by default USB: fixed 3.1 regression with certain devices (e.g. iPhone); Windows host only Serial: updated the guest device emulation to 16550A and reduced the probability for lossing bytes during transmission (bug #1548) NAT: re-fetch the name server parameters from the host on guest DHCP requests to handle host network switches more gracefully (bug #3847) NAT: fixed parsing of IPv4 addresses in CIDR notation (bug #6797) NAT: limit the number of name servers passed to the guest to four (non-Windows hosts only; bug #4098) NAT: fixed DNS transaction id mismatch (bug #6833) VDE: fixed changing the attachment during runtime Bridged Networking: fixed memory leak in the Bridged Networking driver for Windows hosts (bug #6824) Windows Additions: fix for NT4 guests (bug #6748) Windows Additions: re-introduced system preparation feature Linux guests: enable PAE for RedHat guests by default Linux guests: fix support for disabling mouse integration (bug #6714) Webservice: fixed a rare crash when calling IGuest methods from the webservice. OVF: fixed wrong hard disk UUIDs on export (bug #6802) OVF: fixed 3.2.0 regression importing legacy OVF 0.9 files 3D support: fixed OpenGL support for 64bit apps on windows guests 3D support: fixed various host crashes (#2954, #5713, #6443) This version is a major update. The following major new features were added: Following the acquisition of Sun Microsystems by Oracle Corporation, the product is now called "Oracle VM VirtualBox" and all references were changed without impacting compatibility Experimental support for Mac OS X Server guests (see ) Memory ballooning to dynamically in- or decrease the amount of RAM used by a VM (64-bit hosts only) (see ) Page Fusion automatically de-duplicates RAM when running similar VMs thereby increasing capacity. Currently supported for Windows guests on 64-bit hosts (see ) CPU hot-plugging for Linux (hot-add and hot-remove) and certain Windows guests (hot-add only) (see ) New Hypervisor features: with both VT-x/AMD-V on 64-bit hosts, using large pages can improve performance (see ); also, on VT-x, unrestricted guest execution is now supported (if nested paging is enabled with VT-x, real mode and protected mode without paging code runs faster, which mainly speeds up guest OS booting) Support for deleting snapshots while the VM is running Support for multi-monitor guest setups in the GUI for Windows guests (see ) USB tablet/keyboard emulation for improved user experience if no Guest Additions are available (see ) LsiLogic SAS controller emulation (see ) RDP video acceleration (see ) NAT engine configuration via API and VBoxManage Use of host I/O cache is now configurable (see ) Guest Additions: added support for executing guest applications from the host system (replaces the automatic system preparation feature; see ) OVF: enhanced OVF support with custom namespace to preserve settings that are not part of the base OVF standard In addition, the following items were fixed and/or added: VMM: fixed Windows 2000 guest crash when configured with a large amount of RAM (bug #5800) Linux/Solaris guests: PAM module for automatic logons added GUI: guess the OS type from the OS name when creating a new VM GUI: added VM setting for passing the time in UTC instead of passing the local host time to the guest (bug #1310) GUI: fixed seamless mode on secondary monitors (bugs #1322 and #1669) GUI: offer to download the user manual in the OSE version (bug #6442) GUI: allow to set an empty host key to disallow any host key combination (bug #684) GUI: allow to restrict the possible actions when shutting down the VM from the GUI Main: allow to start a VM even if a virtual DVD or floppy medium is not accessible Settings: be more robust when saving the XML settings files Mac OS X: rewrite of the CoreAudio driver and added support for audio input (bug #5869) Mac OS X: external VRDP authentication module support (bug #3106) Mac OS X: moved the realtime dock preview settings to the VM settings (no global option anymore). Use the dock menu to configure it Mac OS X: added the VM menu to the dock menu 3D support: fixed corrupted surface rendering (bug #5695) 3D support: fixed VM crashes when using ARB_IMAGING (bug #6014) 3D support: fixed assertion when guest applications uses several windows with single OpenGL context (bug #4598) 3D support: added GL_ARB_pixel_buffer_object support 3D support: added OpenGL 2.1 support 3D support: fixed Final frame of Compiz animation not updated to the screen (Mac OS X only) (bug #4653) 3D support: fixed blank screen after loading snapshot of VM with enabled Compiz Added support for Virtual Distributed Ethernet (VDE) (Linux hosts only; see ) Added support for virtual high precision event timer (HPET) OVF: fixed mapping between two IDE channels in OVF and the one IDE controller in VirtualBox OVF: fix VMDK format string identifiers and sort XML elements from rasd: namespace alphabetically as prescribed by standard VBoxShell: interactive Python shell extended to be fully functional TUI for VirtualBox Linux Additions: support Fedora 13 (bug #6370) VBoxManage: fixed overly strict checks when creating a raw partition VMDK (bugs #688, #4438) This is a maintenance release. The following items were fixed and/or added: VMM: fixed crash with the OpenSUSE 11.3 milestone kernel during early boot (software virtualization only) VMM: fixed invalid state during teleportation VMM: fixed OS/2 guest crash with nested paging enabled VMM: fixed massive display performance loss (AMD-V with nested paging only) GUI: fixed off-by-one bug when passing absolute mouse coordinates to the guest (3.1.6 regression) GUI: show the real version of the Guest Additions, not the interface version GUI: when adding a DVD or floppy slot in the VM mass storage settings dialog, don't attach a random medium but just leave the slot empty GUI: added --seamless and --fullscreen command line switches (bug #4220) GUI: fixed a SEGFAULT under rare circumstances 2D Video acceleration: fixed display issues when working with non 32-bit modes (bugs #6094 & #6208) LsiLogic: fixed detection of hard disks attached to port 0 when using the drivers from LSI ATA: fixed sporadic crash with Linux guests when having a hard disk and DVD drive on the same channel (bug #6079) Network: allow to start a VM even if not all network adapters are attached Network: promiscuous mode support for e1000 and paravirtualized adapters (bug #6519) NAT: fixed ICMP latency (non-Windows hosts only; bug #6427) SCSI: fixed guest crashes under certain circumstances when booting from SCSI devices VBoxManage: fixed several bugs in cloning of images (one of them is bug #6408) VBoxManage: fixed modifyvm --natnet default Solaris Hosts: fixed a kernel panic when bridged networking might fail to initialize Solaris Hosts: fixed priority tagged VLAN packets in bridged networking Shared Folders: fixed issue with copying read-only files (Linux guests only; bug #4890) Shared Folders: renamed the guest kernel module from vboxvfs to vboxsf to make it load on demand by the Linux kernel. Fixes mounting from /etc/fstab in Ubuntu 10.04 Shared Folders: fixed setuid file permissions (Solaris guests only) Shared Folders: fixed deleting directories recursively (Solaris guests only; bug #6513) Guest Additions: support seamless and dynamic resizing on certain older X11 guests (bug #5840) Solaris Additions: fixed OpenGL library dependencies (bug #6435) Keyboard/Mouse emulation: fixed handling of simultaneous mouse/keyboard events under certain circumstances (bug #5375) Mouse emulation: never switch straight back from Explorer to IntelliMouse mode as it confuses the FreeBSD mouse driver (bug #6488) SDK: fixed memory leak in IDisplay::takeScreenShotSlow() (bug #6549) 3D support: fixed Final frame of Compiz animation not updated to the screen (Mac OS X only) (bug #4653) VRDP: allow to bind to localhost only on Mac OS X (bug #5227) Linux hosts: add host USB support for Ubuntu 10.04 and other hosts without the hal daemon or usbfs (bug #6343) webservice: more structs and array fixes in PHP bindings Windows hosts: make the bridged networking driver notify dll be correctly unregistred on uninstall (bug #5780) This is a maintenance release. The following items were fixed and/or added: Linux hosts: fixed timing issue on hosts with Linux kernels 2.6.31 or later with certain CPUs (asynchronous timer mode; bug #6250) Linux hosts: properly handle host suspend/resume events on Linux kernels 2.6.30 or later (bug #5562) Mac OS X hosts: fixed VBoxSVC crash while enumerating the host network interfaces under certain circumstances Snapshots: fixed image corruption after snapshot merge under certain circumstances (bug #6023) Snapshots: fixed crash with VBoxHeadless / OSE VMM: fixed reference counting guru meditation (bug #4940) VMM: improved guest SMP stability VMM: fixed VT-x hardware debug issues (bugs #477 & #5792) VMM: fixed PGMDynMapHCPage guru meditation (Mac OS X; VT-x only; bug #6095) VMM: fixed pgmPoolTrackFlushGCPhysPTInt guru meditations (Mac OS X; VT-x only; bugs #6095 & #6125) VMM: fixed host crash when running PAE guests in VT-X mode (Mac OS X only; bug #5771) GUI: fix displaying of error message (bug #4345) GUI: fix inability to enter seamless mode (bugs #6185, #6188) 3D support: fixed assertion and flickering when guest application uses several windows with a single OpenGL context (bug #4598) 3D support: fixed host crashes when using GL_EXT_compiled_vertex_array and array element calls (bug #6165) 3D support: fixed runtime linker errors with OpenGL guest libs (bug #5297) 3D support: fixed OpenGL extension viewer crash on startup (bug #4962) NAT: fixed a 3.1.4 regression on Windows hosts where graceful connection termination was broken (bug #6237) NAT: alternative network setting was not stored persistent (bug #6176) NAT: fixed memory corruption during ICMP traffic under certain circumstances Network: allow to switch the host interface or the internal network while a VM is running (bug #5781) VHD: fix for images with a block size different than 2MB USB: fixed filtered device attach regression (bug #6251) USB: fixed crash in OHCI under rare circumstances (bug #3571) VRDP: fixed hang under rare circumstances when attaching USB devices ACPI: prevent guest freezes when accessing /proc/acpi for determining the state of the host battery and the AC adapter (Linux hosts only; bug #2836) PulseAudio: fixed guest freezes under certain conditions (3.1.4 regression; bug #6224) BIOS: increased space for DMI strings BIOS: fixed interrupt routing problem for certain configurations (I/O-APIC enabled, ACPI not used; bug #6098) iSCSI: be more robust when handling the INQUIRY response iSCSI: be more robust when handling sense data BusLogic: fixed FreeBSD guests webservice: vboxwebsrv is now multithreaded webservice: fixed handling of structs and arrays in PHP bindings Solaris Installer: fixed netmask to stay persistent across reboots for Host-only interface (bug #4590) Linux installer: removed external dependency to libpng12.so (bug #6243) Solaris Additions: fixed superfluous kernel logging (bug #6181) Linux Additions: fixed hang when starting the X server in Fedora12 guests and in guests with Linux 2.6.33 or later (bug #6198) Linux Additions: support Mandriva speedboot runlevel (bug #5484) Linux Additions: fixed SELinux security context of mount.vboxsf (bug #6362) Linux Additions: support Ubuntu 10.04 (bug #5737) Web service: update PHP bindings to fix problems with enums and collections This is 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 (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 (bug #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 configuration 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 to the .ovf file during import (3.1 regression; bug #5762) iSCSI: fix taking snapshots of a running VM (bug #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 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 (bug #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 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 ) 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 ) 2D video acceleration for Windows guests; use the host video hardware for overlay stretching and color conversion (see ) More flexible storage attachments: CD/DVD drives can be attached to arbitrary storage controllers, and there can be more than one such drive () 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 ) Support for paravirtualized network adapters (virtio-net; see ) 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 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 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 (bug #2816) 3D support: fixed Final frame of Compiz animation not updated to the screen (bug #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 ) 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 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 This is a maintenance release. The following items were fixed and/or added: VMM: reduced IO-APIC overhead for 32 bits Windows NT/2000/XP/2003 guests; requires 64 bits support (VT-x only; bug #4392) VMM: fixed double timer interrupt delivery on old Linux kernels using IO-APIC (caused guest time to run at double speed; bug #3135) VMM: re-initizalize VT-x and AMD-V after host suspend or hibernate; some BIOSes forget this (Windows hosts only; bug #5421) VMM: fixed loading of saved state when RAM preallocation is enabled BIOS: ignore unknown shutdown codes instead of causing a guru meditation (bug #5389) GUI: never start a VM on a single click into the selector window (bug #2676) Serial: reduce the probability of lost bytes if the host end is connected to a raw file VMDK: fixed handling of split image variants and fix a 3.0.10 regression (bug #5355) VRDP: fixed occasional VRDP server crash Network: even if the virtual network cable was disconnected, some guests were able to send / receive packets (E1000; bug #5366) Network: even if the virtual network cable was disconnected, the PCNet card received some spurious packets which might confuse the guest (bug #4496) Shared Folders: fixed changing case of file names (bug #2520) Windows Additions: fixed crash in seamless mode (contributed by Huihong Luo) Linux Additions: fixed writing to files opened in O_APPEND mode (bug #3805) Solaris Additions: fixed regression in Guest Additions driver which among other things caused lost guest property updates and periodic error messages being written to the system log This is a maintenance release. The following items were fixed and/or added: VMM: guest SMP stability fixes VMM: fixed guru meditation with nested paging and SMP guests (bug #5222) VMM: changed VT-x/AMD-V usage to detect other active hypervisors; necessary for e.g. Windows 7 XP compatibility mode (Windows & Mac OS X hosts only; bug #4239) VMM: guru meditation during SCO OpenServer installation and reboot (VT-x only; bug #5164) VMM: fixed accessed bit handling in certain cases (bug #5248) VMM: fixed VPID flushing (VT-x only) VMM: fixed broken nested paging for 64 bits guests on 32 bits hosts (AMD-V only; bug #5285) VMM: fixed loading of old saved states/snapshots (bug #3984) Mac OS X hosts: fixed memory leaks (bug #5084) Mac OS X hosts (Snow Leopard): fixed redraw problem in a dual screen setup (bug #4942) Windows hosts: installer updates for Windows 7 Solaris hosts: out of memory handled incorrectly (bug #5241) Solaris hosts: the previous fix for #5077 broke the DVD host support on Solaris 10 (VBox 3.0.8 regression) Linux hosts: fixed module compilation against Linux 2.6.32rc4 and later Guest Additions: fixed possible guest OS kernel memory exhaustion Guest Additions: fixed stability issues with SMP guests Windows Additions: fixed color depth issue with low resolution hosts, netbooks, etc. (bug #4935) Windows Additions: fixed NO_MORE_FILES error when saving to shared folders (bug #4106) Windows Additions: fixed subdirectory creation on shared folders (bug #4299) Linux Additions: sendfile() returned -EOVERFLOW when executed on a shared folder (bug #2921) Linux Additions: fixed incorrect disk usage value (non-Windows hosts only) Linux installer: register the module sources at DKMS even if the package provides proper modules for the current running kernel 3D support: removed invalid OpenGL assertion (bug #5158) Network: fixed the Am79C973 PCNet emulation for QNX (and probably other) guests (bug #3206) VMDK: fix handling of split image variants VHD: do not delay updating the footer when expanding the image to prevent image inconsistency USB: stability fix for some USB 2.0 devices GUI: added a search index to the .chm help file GUI/Windows hosts: fixed CapsLock handling on French keyboards (bug #2025) Shared clipboard/X11 hosts: fixed a crash when clipboard initialisation failed (bug #4987) This is a maintenance release. The following items were fixed and/or added: VMM: fixed 64 bits guest on 32 bits host regression in 3.0.6 (VT-x only; bug #4947) VMM: fixed a recompiler triple fault guru meditation (VT-x & AMD-V only; bug #5058) VMM: fixed hang after guest state restore (AMD-V, 32 bits Windows guest and IO-APIC enabled only; bug #5059) VMM: fixed paging issue with OS/2 guests VMM: fixed guru meditation in rare cases (2.0 regression; software virtualization only) VMM: fixed release assertion during state restore when using the Sound Blaster 16 emulation (bug #5042) Security: fixed vulnerability that allowed to execute commands with root privileges Linux hosts: fixed runtime assertion in semaphore implementation which was triggered under certain conditions (bug #616) Linux hosts: change the default USB access mode on certain distributions (bugs #3394 and #4291) Linux hosts: on hardened Gentoo, the VBoxSVC daemon crashed by opening the VM network settings (bug #3732) Linux hosts, Solaris hosts: pass the XAUTHORITY variable along the DISPLAY variable when starting a VM from VBoxManage or from the VM selector (bug #5063) Linux hosts: use sysfs to enumerate host drives if hal is not available Solaris hosts: fixed a bug which would hang the host sporadically as interrupts were not re-enabled every time Solaris hosts: fixed a kernel panic with bridged and host-only networking (bug #4775) Solaris hosts: fixed incorrectly persistent CD/DVD-ROMs when changing them (bug #5077) X11-based hosts: support additional function keys on Sun keyboards (bug #4907) Mac OS X hosts (Snow Leopard): fixed problem starting headless VMs without a graphical session (bug #5002) Mac OS X hosts: fixed problem listing host-only adapter names with trailing garbage (attached VMs won't start) Windows Additions: now work with Vista 64-bit Home editions (bug #3865) Windows Additions: fixed screen corruption with ZoomText Magnifier Windows Additions: fixed NPGetUniversalName failure (bug #4853) Windows Additions: fixed Windows NT regression (bug #4946) Windows Additions: fixed VBoxService not running if no Shared Folders are installed Linux Additions: implemented ftrunctate (bug #4771) VRDP: start VM even if configured VRDP port is in use Networking: the PCnet network device stopped receiving under rare conditions (bug #4870) VBoxManage: implemented controlvm vrdpport command iSCSI: fixed issue with NetApp targets (bug #5072) SCSI: add support for virtual disks larger than 2TB USB: fixed potential crash when unplugging USB2 devices (bug #5089) NAT: IPSEC did not properly work with Linux guests (bug #4801) This is a maintenance release. The following items were fixed and/or added: VMM: fixed IO-APIC overhead for 32 bits Windows NT, 2000, XP and 2003 guests (AMD-V only; bug #4392) VMM: fixed a Guru meditation under certain circumstances when enabling a disabled device (bug #4510) VMM: fixed a Guru meditation when booting certain Arch Linux guests (software virtualization only; bug #2149) VMM: fixed hangs with 64 bits Solaris & OpenSolaris guests (bug #2258) VMM: fixed decreasing rdtsc values (AMD-V & VT-x only; bug #2869) VMM: small Solaris/OpenSolaris performance improvements (VT-x only) VMM: cpuid change to correct reported virtual CPU id in Linux VMM: NetBSD 5.0.1 CD hangs during boot (VT-x only; bug #3947) Solaris hosts: worked around an issue that caused the host to hang (bug #4486) Solaris hosts: fixed a rare host system deadlock when using bridged networking Solaris hosts: fixed a potential host system deadlock when CPUs were onlined or offlined Solaris hosts installer: added missing dependency for UTF-8 package (bug #4899) Linux hosts: don't crash on Linux PAE kernels < 2.6.11 (in particular RHEL/CentOS 4); disable VT-x on Linux kernels < 2.6.13 (bug #1842) Linux/Solaris hosts: correctly detect keyboards with fewer keys than usual (bug #4799) Mac OS X hosts: prevent password dialogs in 32 bits Snow Leopard Python WS: fixed issue with certain enumerations constants having wrong values in Python webservices bindings Python API: several threading and platform issues fixed Python shell: added exportVM command Python shell: various improvements and bugfixes Python shell: corrected detection of home directory in remote case OVF: fixed XML comment handling that could lead to parser errors Main: fixed a rare parsing problem with port numbers of USB device filters in machine settings XML Main: restrict guest RAM size to 1.5 GB (32 bits Windows hosts only) Main: fixed possible hang during guest reboot (bug #3792) GUI: fixed rare crash when removing the last disk from the media manager (bug #4795) VBoxManage: fixed guestproperty for Mac OS X hosts (bug #3806) VBoxManage: fixed setting guest properties with --flags or -flags Webservice: fixed a severe memory leak, at least on platforms using XPCOM Serial: fixed host mode (Solaris, Linux and Mac OS X hosts; bug #4672) VRDP: Remote USB Protocol version 3 SATA: fixed hangs and BSODs introduced with 3.0.4 (bugs #4695, #4739, #4710) SATA: fixed a bug which prevented Windows 7 from detecting more than one hard disk SATA/SCSI: fixed rare random guest crashes and hangs SCSI: fixed problem with Fedora 11 refusing to boot after kernel update iSCSI: fix logging out when the target has dropped the connection, fix negotiation of parameters, fix command resend when the connection was dropped, fix processing SCSI status for targets which do not use phase collapse BIOS: fixed a bug that caused the OS/2 boot manager to fail (2.1.0 regression, bug #3911) PulseAudio: don't hang during VM termination if the connection to the server was unexpectedly terminated (bug #3100) Mouse: fixed weird mouse behaviour with SMP (Solaris) guests (bug #4538) HostOnly Network: fixed failure in CreateHostOnlyNetworkInterface() on Linux (no GUID) HostOnly Network: fixed wrong DHCP server startup while hostonly interface bringup on Linux HostOnly Network: fixed incorrect factory and default MAC address on Solaris HostOnly Network: fixed the problem with listing host-only interfaces on Mac OS X when all physical interfaces are down (bugs #4698, #4790) DHCP: fixed a bug in the DHCP server where it allocated one IP address less than the configured range E1000: fixed receiving of multicast packets E1000: fixed up/down link notification after resuming a VM NAT: fixed ethernet address corruptions (bug #4839) NAT: fixed hangs, dropped packets and retransmission problems (bug #4343) Bridged Network: fixed packet queue issue which might cause DRIVER_POWER_STATE_FAILURE BSOD for Windows hosts (bug #4821) Windows Additions: fixed a bug in VBoxGINA which prevented selecting the right domain when logging in the first time Windows host installer: should now also work on unicode systems (like Korean, bug #3707) Windows host installer: check for sufficient disk space Shared clipboard: do not send zero-terminated text to X11 guests and hosts (bug #4712) Shared clipboard: use a less CPU intensive way of checking for new data on X11 guests and hosts (bug #4092) Guest Additions: do not hide the host mouse cursor when restoring a saved state (bug #4700) Windows guests: fixed issues with the display of the mouse cursor image (bugs #2603, #2660 and #4817) SUSE 11 guests: fixed Guest Additions installation (bug #4506) Guest Additions: support Fedora 12 Alpha guests (bugs #4731, #4733 and #4734) This is a maintenance release. The following items were fixed and/or added: VMM: 64 bits guest stability fixes (AMD-V only; bugs #3923 & #3666) VMM: SMP stability fixes (AMD-V only) VMM: SMP performance improvement (esp. for Solaris guests) VMM: eliminated several bugs which could lead to a host reboot VMM: fixed OS/2 ACP2 boot floppy hang (VT-x only) VMM: small performance improvement for OpenSolaris guests (AMD-V only) VMM: fixed CentOS/Xen reboot (software virtualization only; bug #4509) SATA: fixed hangs / BSOD during Windows XP installation (bug #4342) SATA: mark the ports as non hotpluggable (bug #3920) 3D support: fix deadlocks and context/window tracking for multithreaded applications (bug #3922) 3D support: fix memory leaks when terminating OpenGL guest applications 3D support: fix crash in Call of Duty NAT: using two or more NAT adapters in one VM was broken (3.0.0 regression) NAT: fixed network communication corruptions (bugs #4499, #4540, #4591, #4604) NAT: fixed passive ftp access to host server (bug #4427) iSCSI: fixed cloning to/from iSCSI disks GUI: fixed path separator handling for the OVF export on Windows (bug #4354) GUI: the mini toolbar was only shown on the first host display (bug #4654) GUI: added a VM option to display the mini toolbar on top GUI: don't crash when adding plus configuring host-only network interfaces Shared Folders: fixed selection of a drive root directory as a shared folder host path in VirtualBox (Windows host only) USB: fixed a bug that may have rendered USB device filter settings inactive (3.0.2 regression, bug #4668) Guest Additions: report the Guest Additions version to the guest properties (bug #3415) Mac OS X hosts: fix creation of VMDK files giving raw partition access (bug #1461) Mac OS X hosts: improved support for Snow Leopard Linux hosts: fixed problems leading to wrong colors or transparency in host windows with some graphics drivers (bug #3095) Linux hosts: hardware detection fallbacks if the hal service fails to find any DVD drives. Linux and Solaris hosts: Work around color handling problems in Qt (bug #4353) Solaris hosts: fixed memory leaks in host-only networking Solaris Installer: fixed incorrect netmask for Host-only interface (bug #4590) Solaris Installer: added package dependency for Python and Python-devel (bug #4570) X11 guests: prevent windows from being skipped in seamless mode KDE guests (bugs #1681 and #3574) X11 guests: fixed screen corruption in X11 guests when large amounts of video RAM were allocated (bug #4430) X11 guests: some fixes when switching between host and guest-drawn mouse pointers. X11 guests: fixed an issue which caused seamless mode to stop working as it should (the main issue listed in bug #2238). This is a maintenance release. The following items were fixed and/or added: VMM: fixed network regressions (guest hangs during network IO) (bug #4343) VMM: guest SMP performance improvements VMM: fixed hangs and poor performance with Kaspersky Internet Security (VT-x/AMD-V only; bug #1778) VMM: fixed crashes when executing certain Linux guests (software virtualization only; bugs #2696 & #3868) ACPI: fixed Windows 2000 kernel hangs with IO-APIC enabled (bug #4348) APIC: fixed high idle load for certain Linux guests (3.0 regression) BIOS: properly handle Ctrl-Alt-Del in real mode iSCSI: fixed configuration parsing (bug #4236) OVF: fix potential confusion when exporting networks OVF: compatibility fix (bug #4452) OVF: accept ovf:/disk/ specifiers with a single slash in addition to ovf://disk/ (bug #4452) NAT: fixed crashes under certain circumstances (bug #4330) 3D support: fixed dynamic linking on Solaris/OpenSolaris guests (bug #4399) 3D support: fixed incorrect context/window tracking for multithreaded apps Shared Folders: fixed loading from saved state (bug #1595) Shared Folders: host file permissions set to 0400 with Windows guest (bug #4381) X11 host and guest clipboard: fixed a number of issues, including bug #4380 and #4344 X11 Additions: fixed some issues with seamless windows in X11 guests (bug #3727) Windows Additions: added VBoxServiceNT for NT4 guests (for time synchronization and guest properties) Windows Additions: fixed version lookup Linux Installer: support Pardus Linux Linux hosts: workaround for buggy graphics drivers showing a black VM window on recent distributions (bug #4335) Linux hosts: fixed typo in kernel module startup script (bug #4388) Solaris hosts: several installer fixes Solaris host: fixed a preemption issue causing VMs to never start on Solaris 10 (bug #4328). Solaris guest: fixed mouse integration for OpenSolaris 2009.06 (bug #4365) Windows hosts: fixed high CPU usage after resuming the host (bug #2978) Fixed a settings file conversion bug which sometimes caused hardware acceleration to be enabled for virtual machines that had no explicit configuration in the XML. This version is a major update. The following major new features were added: Guest SMP with up to 32 virtual CPUs (VT-x and AMD-V only; see ) Windows guests: ability to use Direct3D 8/9 applications / games (experimental; see ) Support for OpenGL 2.0 for Windows, Linux and Solaris guests In addition, the following items were fixed and/or added: Solaris hosts: allow suspend/resume on the host when a VM is running (bug #3826) Solaris hosts: loosen the restriction for contiguous physical memory under certain conditions Mac OS X hosts: fixed guest PAE Linux hosts: kernel module compile fixes for 2.6.31 (bug #4264) VMM: fixed occasional guru meditation when loading a saved state (VT-x only) VMM: eliminated IO-APIC overhead with 32 bits guests (VT-x only, some Intel CPUs don't support this feature (most do); bug #638) VMM: fixed 64 bits CentOS guest hangs during early boot (AMD-V only; bug #3927) VMM: performance improvements for certain PAE guests (e.g. Linux 2.6.29+ kernels) VMM: some Windows guests detected a completely wrong CPU frequency (bug #2227) VMM: fixed hanging and unkillable VM processes (bug #4040) VMM: fixed random infrequent guest crashes due XMM state corruption (Win64 hosts only) VMM: performance improvements for network I/O (VT-x/AMD-V only) GUI: added mini toolbar for fullscreen and seamless mode (Thanks to Huihong Luo) GUI: redesigned settings dialogs GUI: allow to create/remove more than one host-only network adapters (non Windows hosts) GUI: display estimated time for long running operations (e.g. OVF import/export) GUI: fixed rare hangs when open the OVF import/export wizards (bug #4157) 3D support: fixed VM crashes for client applications using incorrect OpenGL states 3D support: fixed memory corruption when querying for supported texture compression formats 3D support: fixed incorrect rendering of glDrawRangeElements 3D support: fixed memory leak when using VBOs 3D support: fixed glew library detection 3D support: fixed random textures corruption VRDP: support Windows 7 RDP client Networking: fixed another problem with TX checksum offloading with Linux kernels up to version 2.6.18 NAT: fixed "open ports on virtual router 10.0.2.2 - 513, 514" (forum) NAT: allow to configure socket and internal parameters NAT: allow to bind sockets to specific interface PXE boot: significant performance increase (VT-x/AMD-V only) VHD: properly write empty sectors when cloning of VHD images (bug #4080) VHD: fixed crash when discarding snapshots of a VHD image VHD: fixed access beyond the block bitmap which could lead to arbitrary crashes VBoxManage: fixed incorrect partition table processing when creating VMDK files giving raw partition access (bug #3510) VBoxManage: support cloning to existing image file OVF: several OVF 1.0 compatibility fixes OVF: fixed exporting of disk images when multiple virtual machines are exported at once Virtual mouse device: eliminated micro-movements of the virtual mouse which were confusing some applications (bug #3782) Shared Folders: sometimes a file was created using the wrong permissions (2.2.0 regression; bug #3785) Shared Folders: allow to change file attributes from Linux guests and use the correct file mode when creating files Shared Folders: some content was incorrectly written under certain conditions (bug #1187) Shared Folders: fixed incorrect file timestamps, when using Windows guest on a Linux host (bug #3404) X11 clipboard: fix duplicate end of lines (bug #4270) X11 guests: a number of shared clipboard fixes Linux guests: Guest Additions support for SUSE Linux Enterprise Desktop 11 Linux guests: new daemon vboxadd-service to handle time synchronization and guest property lookup Linux guests: implemented guest properties (OS info, logged in users, basic network information) Windows host installer: VirtualBox Python API can now be installed automatically (requires Python and Win32 Extensions installed) USB: Support for high-speed isochronous endpoints has been added. In addition, read-ahead buffering is performed for input endpoints (currently Linux hosts only). This should allow additional devices to work, notably webcams (bug #242). USB: fixed error handling for some USB dongles Web service: fixed inability to handle NULL pointers for object arguments, which are valid values for a lot of APIs, in both the raw and the object-oriented web service. Web service: object-oriented bindings for JAX-WS did not exhibit interface inheritance correctly, fixed Web service: added support for IDisplay and IGuest interfaces, which were previously unavailable Registration dialog uses Sun Online accounts now This is a maintenance release. The following items were fixed and/or added: Windows Installer: fixed a potential hang during installation Windows Installer: fixed several problems (bug #3892) Solaris hosts: make it work with Solaris build 114 or later (bug #3981) Solaris hosts: fixed a bug serial port character handling found during loopback (bug #3120) Linux hosts: adapted vboxdrv.sh to the latest changes in VBoxManage list runningvms (bug #4034) Windows hosts: fixed a crash caused by host-only/bridged networking Mac OS X hosts: fixed access to host DVD with passthrough disabled (bug #4077) Guest Additions: fixed problems with KDE 4 not recognizing mouse clicks Windows Additions: fixed incorrect 8-bit guest color depth in Windows 7 guests GUI: warn if VT-x/AMD-V could not be enabled for guests that require this setting (bug #4055) VMM: fixed occasional crash due to insufficient memory VMM: fixed hanging 64 bits Solaris guests VMM: restore from a saved state occasionally failed (bugs #3984 and #2742) Clipboard: fixed a deadlock while shutting down the shared clipboard on X11 hosts (bug #4020) OVF: fixed potential hang during import OVF: fixed potential crashes during import/export on Win64 hosts VBoxManage modifyhd --compact: fixed bug which could lead to crashes and image corruption (bug #3864) VBoxManage metrics collect: now flushes the output stream VHD: made VBoxManage internalcommands sethduuid work for .vhd files (bug #3443) VHD: some .vhd files could not be cloned (bug #4080) NAT: improvement of TCP connection establishment (bug #2987) NAT: fixed order of DNS servers in DHCP lease (bug #4091) NAT: fixed DHCP lease for multiple name servers (bug #3692) NAT: fixed a potential segfault if the host lost its connectivity (bug #3964) Shared Folders: deny access to parent directories on Windows hosts (bug #4090) Shared Folders: make rm/rmdir work with Solaris guests on Windows hosts Networking: fixed the problem with blocked receiving thread when a broadcast packet arrives too early to be handled by uninitialized e1000 adapter Networking: fixed the problem that caused host freezes/crashes when using bridged mode with host's interface having RX checksum offloading on (bug #3926 and related). Fixes problems with TX offloading as well (bug #3870) PXE boot: Added support for PRO/1000 MT Server adapter Python bindings: fixed keyword conflict SCSI: fixed occasional crashes on Win64 Serial: allow to redirect the serial port to a raw file (bug #1023) VRDP: fixed a rare incorrect screen update VMDK: fixed creating snapshots This is a maintenance release. The following items were fixed and/or added: Host and guest clipboard: fixed a number of issues affecting hosts and guests running the X window system Guest Additions: make sure the virtual mouse autodetection works on first reboot after installing the Additions on X.Org server 1.5 and later Guest Additions: properly report process identity number of running services Guest Additions: clean up properly if the X Window server terminates Linux Additions: fixed installation path for OpenGL libraries in some 64-bit guests (bug #3693) Solaris Additions: fixed installation to work when X.Org is not installed on the guest Solaris Additions: fixed a bug that could panic the guest when unmounting a busy shared folder Windows Additions: fixed mouse pointer integration of some Windows guests (2.2.0 regression, bug #3734) Windows Additions: fixed installation on Windows Server 2008 Core (bug #2628) Main: do not try to use older versions of D-Bus (Linux hosts only, bug #3732) VMM: fixed out-of-memory conditions on Windows hosts (bug #3657) VMM: fixed occasional hangs when attaching USB devices during VM startup (2.2.0 regression; bugs #3787) VMM: fixed guru meditation related to memory management (software virtualization only) Virtual disks: fix possible data corruption when writing to diff images, incorrect detection of redundant writes GUI: reworked network settings dialog GUI: properly show the detailed settings dialog of NAT networks (bug #3702) GUI: HostKey could not be changed (2.2.0 regression, bug #3689) GUI: fixed memory textfield size (Windows hosts only; bug #3679) GUI: fixed crash when selecting a shared folder path (Windows hosts only; bugs #3694, #3751, #3756) VBoxManage modifyhd --compact: implemented again for VDI files, and now supports relative paths (bug #2180, #2833) VBoxManage snapshot discard: made it work again (2.1.0 regression; bug #3714) NAT: on some Windows hosts, the guest didn't receive a DHCP lease (bug #3655) NAT: fixed release assertion during poll() (bug #3667) Networking: fixed a deadlock caused by the PCnet network device emulation (2.2.0 regression, bug #3676) Clipboard: fixed random crashes (X11 hosts only, bug #3723) Shared Folders: fixed incorrect permissions for Solaris guests Shared Folders: fixed wrong file sizes with Solaris guests CBindings: fixed possible memory leak while releasing the IVirtualBox and ISession Objects Solaris hosts: fixed host-only network interface incompatibility with nwam/dhcpagent (bug #3754) Windows installer: fixed several install and uninstall issues (bugs #3659, #3686, #1730, #3711, #3373, #3382, #3701, #3685, #3710) Mac OS X hosts: preliminary support for Snow Leopard This version is a major update. The following major new features were added: OVF (Open Virtualization Format) appliance import and export (see ) Host-only networking mode (see ) Hypervisor optimizations with significant performance gains for high context switching rates Raised the memory limit for VMs on 64-bit hosts to 16GB VT-x/AMD-V are enabled by default for newly created virtual machines USB (OHCI & EHCI) is enabled by default for newly created virtual machines (Qt GUI only) Experimental USB support for OpenSolaris hosts Shared Folders for Solaris and OpenSolaris guests OpenGL 3D acceleration for Linux and Solaris guests (see ) Added C API in addition to C++, Java, Python and Web Services In addition, the following items were fixed and/or added: VMM: FreeBSD guest related fix for V86 flags (bug #2342) VMM: fixed guru meditation when booting an AsteriskNow Linux VM (bug #2342) VMM: fixed PGMPOOLKIND_FREE guru meditation (bugs #3356, #3431) VMM: fixed Windows XP boot hang (guest PAE + nested paging only) VMM: allow mixing of VT-x/AMD-V and software virtualization VMM: fixed extremely slow safe mode booting in e.g. Windows 2008 (VT-x/AMD-V only) VMM: significant speedup of certain GRUB boot loaders (e.g. Solaris) (VT-x/AMD-V only) VMM: real-mode IOPL fix for DOS guests (VT-x only) VMM: fixed VT-x detection with certain BIOSes that enable VT-x, but don't set the lock bit in MSR_IA32_FEATURE_CONTROL VMM: fixed hibernation issues on Windows XP hosts (VT-x only; bug #1794) VMM: properly emulate RDMSR from the TSC MSR, should fix some NetBSD guests VMM: emulate RDPMC; fixes Windows guests crashes when using the Kaspersky virus scanner (bug #1778) NAT: fixed truncated downloads (FTP) (bug #3257) NAT: blocked UDP packets caused a crash (bug #3426) NAT: allow to configure the next server and the boot file via VBoxManage (bug #2759) IDE: fixed hard disk upgrade from XML-1.2 settings (bug #1518) Hard disk: support more VMDK file variants (including fixed-size ESX server images) Hard disks: refuse to start the VM if a disk image is not writable USB: further reduced host CPU utilization for OHCI and EHCI; the "VBoxInternal/Devices/usb-ohci/0/Config/FrameRate" CFG key is no longer necessary and no longer supported USB: fixed BSOD on the host with certain USB devices (Windows hosts only; bug #1654) E1000: properly handle cable disconnects (bug #3421) VRDP: fixed hangs when VRDP server is enabled or disabled in runtime Shared Folders: respect umask settings on Linux, OSX and Solaris hosts when creating files X11 guests: prevented setting the locale in vboxmouse, as this caused problems with Turkish locales (bug #3563) X11 guests: show the guest mouse pointer at the right position if the virtual desktop is larger than the guest resolution (bug #2306) Linux Additions: fixed typo when detecting Xorg 1.6 (bug #3555) Solaris guests: added xpg4/xcu4 dependency to the Guest Additions installer (bug #3524) Windows guests: bind the VBoxMouse.sys filter driver to the correct guest pointing device (bug #1324) Windows hosts: fixed BSOD when starting a VM with enabled host interface (bug #3414) Linux hosts: do proper reference counting to prevent unloading the vboxnetflt module as long as this code is in use (bug #3104) Linux hosts: do not leave zombies of VBoxSysInfo.sh (bug #3586) Linux installers: fixes for Slackware, Arch Linux and Linux from Scratch systems Windows installers: combined installer executable which contains both (32- and 64-bit) architectures VBoxManage: less cryptic command-line error messages VBoxManage list vms commands now default to compact format VBoxManage controlvm dvdattach did not work if the image was attached before VBoxManage: allow creation of all supported disk image variants VBoxManage showvminfo: don't spam the release log if the Guest Additions don't support statistics information (bug #3457) VBoxManage: big command line processing cleanup, the legacy single-dash options are deprecated and will be removed in the next major release, so switch to the new options now Hard disks: improved immutable disk support to auto-reset diff file at VM startup (related to bug #2772) GUI: enable the audio adapter by default for new VMs GUI: warn if VT-x/AMD-V is not operational when starting a 64-bit guest GUI: deactivate 64-bit guest support when the host CPU does not support VT-x/AMD-V GUI: removed floppy icon from the status bar GUI: show build revision in about dialog GUI: fixed sticky status bar text GUI: improved error dialogs GUI: fail with an appropriate error message when trying to boot a read-only disk image (bug #1745) GUI/Mac OS X: fixed disabled close button GUI/Windows: re-enabled support for copy and paste (Windows hosts 2.0 regression; bug #2065) 3D support: added OpenGL select/feedback support (bug #2920) 3D support: close OpenGL subsystem for terminated guest applications (bug #3243) 3D support: fixed VM hangs when starting guests with 3D acceleration enabled (bug #3437) PXE: fixed boot hangs when hardware virtualization is used (bug #2536) LsiLogic: fixed problems with Solaris guests Main API: close machine settings XML file when unregistering machine (bug #3548) This is a maintenance release. The following items were fixed and/or added: Windows hosts: fixed host crashes/hangs on certain 32 bits Windows systems when running Linux guests (bugs #1606, #2269, #2763) Windows hosts: fixed network component BSOD issue (bugs #3168, #2916) Windows hosts: fixed installation issues (bugs #2517, #1730, #3130) Linux hosts: fixed occasional kernel oopses (bug #2556) Linux hosts: fixed module dependency for shipped modules (bug #3115) Linux hosts: moved the udev rules for USB forward so that they don't override existing system rules (bug #3143) Linux hosts: fixed the issue with guest not being able to communicate with each other when attached via TAP interfaces (bug #3215) Linux hosts: give up probing for USB gracefully if DBus or hal are not available (bug #3136) Linux hosts: fixed warnings in installer when SELinux was disabled (bug #3098) Linux hosts: VirtualBox sometimes failed to start if it had been started using sudo previously (bug #3270) Solaris hosts: fixed high CPU load while running many guests in parallel Solaris hosts: fixed inability to start more than 128 VMs VMM: fixed performance regression for Windows guests (bug #3172) VMM: ignore CPU stepping when restoring a saved state/snapshot REM: fixed inability to use gdb to debug programs in Linux guests with software virtualization (bug #3245) GUI: fixed dead key handling on Solaris hosts (bug #3256) GUI: in the shutdown dialog, disable the action send the shutdown signal if the guest is currently not using ACPI GUI: suppress additional key release events sent by X11 hosts when keys are auto-repeated (bug #1296) API: restore case insensitive OS type name lookup (bug #3087) VBoxHeadless: really don't start X11 services (clipboard service, 3D acceleration; Solaris & Darwin hosts only; bug #3199) NAT: fixed occasional crashes when the guest is doing traceroute (non-Windows hosts; bug #3200) NAT: fixed crashes under high load (bug #3110) NAT: fixed truncated downloads (Windows hosts only, bug #3257) NAT: don't intercept TFTP packages with a destination address different from the builtin TFTP server (bug #3112) USB: several fixes for USB passthrough on Linux hosts USB: reduced host CPU utilization if EHCI is active VRDP: fixed VRDP server black screen after a client reconnect (bug #1989) VRDP: modified rdesktop client (rdesktop-vrdp) now uses NumLock state synchronization (bug #3253) LsiLogic: make FreeBSD guests work (bug #3174) ATA: fixed deadlock when pausing VM due to problems with the virtual disk (e.g. disk full, iSCSI target unavailable) iSCSI: fixed possible crash when pausing the VM 3D support: added missing GL_MAX_TEXTURE_COORDS_ARB (bug #3246) Windows Additions: fixed ERROR (e0000101) error during installation (bug #1923) Windows Additions: fixed Windows Explorer hang when browsing shared folders with 64 bit guests (bug #2225) Windows Additions: fixed guest screen distortions during a video mode change Windows Additions: fixed the Network drive not connected message for mapped shared folders drives after the guest startup (bug #3157) Linux Additions: fixed occasional file corruption when writing files in O_APPEND mode to a shared folder (bug #2844) Linux Additions: the mouse driver was not properly set up on X.Org release candidates (bug #3212) Linux Additions: fixed installer to work with openSUSE 11.1 (bug #3213) Linux Additions: disable dynamic resizing if the X server is configured for fixed resolutions Linux/Solaris Additions: handle virtual resolutions properly which are larger than the actual guest resolution (bug #3096) This is a maintenance release. The following items were fixed and/or added: USB: Linux host support fixes (bug #3136) VMM: fixed guru meditation for PAE guests on non-PAE hosts (AMD-V) VMM: fixed guru meditation on Mac OS X hosts when using VT-x VMM: allow running up to 1023 VMs on 64-bit hosts (used to be 127) VMM: several FreeBSD guest related fixes (bugs #2342, #2341, #2761) VMM: fixed guru meditation when installing Suse Enterprise Server 10U2 (VT-x only; bug #3039) VMM: fixed guru meditation when booting Novell Netware 4.11 (VT-x only; bug #2898) VMM: fixed VERR_ADDRESS_TOO_BIG error on some Mac OS X systems when starting a VM VMM: clear MSR_K6_EFER_SVME after probing for AMD-V (bug #3058) VMM: fixed guru meditation during Windows 7 boot with more than 2 GB guest RAM (VT-x, nested paging only) VMM: fixed hang during OS/2 MCP2 boot (AMD-V and VT-x only) VMM: fixed loop during OpenBSD 4.0 boot (VT-x only) VMM: fixed random crashes related to FPU/XMM with 64 bits guests on 32 bits hosts VMM: fixed occasional XMM state corruption with 64 bits guests GUI: raised the RAM limit for new VMs to 75% of the host memory GUI: added Windows 7 as operating system type VBoxSDL: fixed -fixed fixedmode parameter (bug #3067) Clipboard: stability fixes (Linux and Solaris hosts only, bug #2675 and #3003) 3D support: fixed VM crashes for certain guest applications (bugs #2781, #2797, #2972, #3089) LsiLogic: improved support for Windows guests (still experimental) VGA: fixed a 2.1.0 regression where guest screen resize events were not properly handled (bug #2783) VGA: significant performance improvements when using VT-x/AMD-V on Mac OS X hosts VGA: better handling for VRAM offset changes (fixes GRUB2 and Dos DOOM display issues) VGA: custom VESA modes with invalid widths are now rounded up to correct ones (bug #2895) IDE: fixed ATAPI passthrough support (Linux hosts only; bug #2795) Networking: fixed kernel panics due to NULL pointer dereference in Linux kernels < 2.6.20 (Linux hosts only; bug #2827) Networking: fixed intermittent BSODs when using the new host interface (Windows hosts only; bugs #2832, #2937, #2929) Networking: fixed several issues with displaying hostif NICs in the GUI (Windows hosts only; bugs 2814, #2842) Networking: fixed the issue with displaying hostif NICs without assigned IP addresses (Linux hosts only; bug #2780) Networking: fixed the issue with sent packets coming back to internal network when using hostif (Linux hosts only; bug #3056). NAT: fixed port forwarding (Windows hosts only; bug #2808) NAT: fixed booting from the builtin TFTP server (bug #1959) NAT: fixed occasional crashes (bug #2709) SATA: vendor product data (VPD) is now configurable SATA: raw disk partitions were not recognized (2.1.0 regression, Windows host only, bug #2778) SATA: fixed timeouts in the guest when using raw VMDK files (Linux host only, bug #2796) SATA: huge speed up during certain I/O operations like formatting a drive SATA/IDE: fixed possible crash/errors during VM shutdown VRDP: fixed loading of libpam.so.1 from the host (Solaris hosts only) VRDP: fixed RDP client disconnects VRDP: fixed VRDP server misbehavior after a broken client connection VBoxManage showvminfo: fixed assertion for running VMs (bug #2773) VBoxManage convertfromraw: added parameter checking and made it default to creating VDI files; fixed and documented format parameter (bug #2776) VBoxManage clonehd: fixed garbled output image when creating VDI files (bug #2813) VBoxManage guestproperty: fixed property enumeration (incorrect parameters/exception) VHD: fixed error when attaching certain container files (bug #2768) Solaris hosts: added support for serial ports (bug #1849) Solaris hosts: fix for Japanese keyboards (bug #2847) Solaris hosts: 32-bit and 64-bit versions now available as a single, unified package Linux hosts: don't depend on libcap1 anymore (bug #2859) Linux hosts: kernel module compile fixes for 2.6.29-rc1 Linux hosts: don't drop any capability if the VM was started by root (2.1.0 regression) Mac OS X hosts: save the state of running or paused VMs when the host machine's battery reaches critical level Mac OS X hosts: improved window resizing of the VM window Mac OS X hosts: added GUI option to disable the dock icon realtime preview in the GUI to decrease the host CPU load when the guest is doing 3D Mac OS X hosts: polished realtime preview dock icon Windows Additions: fixed guest property and logging OS type detection for Windows 2008 and Windows 7 Beta Windows Additions: added support for Windows 7 Beta (bugs #2995, #3015) Windows Additions: fixed Windows 2000 guest freeze when accessing files on shared folders (bug #2764) Windows Additions: fixed CTRL-ALT-DEL handling when using VBoxGINA Windows Additions Installer: added /extract switch to only extract (not install) the files to a directory (can be specified with /D=path) Linux installer and Additions: added support for the Linux From Scratch distribution (bug #1587) and recent Gentoo versions (bug #2938) Additions: added experimental support for X.Org Server 1.6 RC on Linux guests Linux Additions: fixed bug which prevented to properly set fmode on mapped shared folders (bug #1776) Linux Additions: fixed appending of files on shared folders (bug #1612) Linux Additions: ignore noauto option when mounting a shared folder (bug #2498) Linux Additions: fixed a driver issue preventing X11 from compiling keymaps (bug #2793 and #2905) X11 Additions: workaround in the mouse driver for a server crash when the driver is loaded manually (bug #2397) This version is a major update. The following major new features were added: Support for hardware virtualization (VT-x and AMD-V) on Mac OS X hosts Support for 64-bit guests on 32-bit host operating systems (experimental; see ) Added support for Intel Nehalem virtualization enhancements (EPT and VPID; see ) Experimental 3D acceleration via OpenGL (see ) Experimental LsiLogic and BusLogic SCSI controllers (see ) Full VMDK/VHD support including snapshots (see ) New NAT engine with significantly better performance, reliability and ICMP echo (ping) support (bugs #1046, #2438, #2223, #1247) New Host Interface Networking implementations for Windows and Linux hosts with easier setup (replaces TUN/TAP on Linux and manual bridging on Windows) In addition, the following items were fixed and/or added: VMM: significant performance improvements for VT-x (real mode execution) VMM: support for hardware breakpoints (VT-x and AMD-V only; bug #477) VMM: VGA performance improvements for VT-x and AMD-V VMM: Solaris and OpenSolaris guest performance improvements for AMD-V (Barcelona family CPUs only) VMM: fixed guru meditation while running the Dr. Web virus scanner (software virtualization only; bug #1439) VMM: deactivate VT-x and AMD-V when the host machine goes into suspend mode; reactivate when the host machine resumes (Windows, Mac OS X & Linux hosts; bug #1660) VMM: fixed guest hangs when restoring VT-x or AMD-V saved states/snapshots VMM: fixed guru meditation when executing a one byte debug instruction (VT-x only; bug #2617) VMM: fixed guru meditation for PAE guests on non-PAE hosts (VT-x) VMM: disallow mixing of software and hardware virtualization execution in general (bug #2404) VMM: fixed black screen when booting OS/2 1.x (AMD-V only) GUI: pause running VMs when the host machine goes into suspend mode (Windows & Mac OS X hosts) GUI: resume previously paused VMs when the host machine resumes after suspend (Windows & Mac OS X hosts) GUI: save the state of running or paused VMs when the host machine's battery reaches critical level (Windows hosts) GUI: properly restore the position of the selector window when running on the compiz window manager GUI: properly restore the VM in seamless mode (2.0 regression) GUI: warn user about non optimal memory settings GUI: structure operating system list according to family and version for improved usability GUI: predefined settings for QNX guests IDE: improved ATAPI passthrough support Networking: added support for up to 8 Ethernet adapters per VM Networking: fixed issue where a VM could lose connectivity after a reboot iSCSI: allow snapshot/diff creation using local VDI file iSCSI: improved interoperability with iSCSI targets Graphics: fixed handling of a guest video memory which is not a power of two (bug #2724) VBoxManage: fixed bug which prevented setting up the serial port for direct device access VBoxManage: added support for VMDK and VHD image creation VBoxManage: added support for image conversion (VDI/VMDK/VHD/RAW) Solaris hosts: added IPv6 support between host and guest when using host interface networking Mac OS X hosts: added ACPI host power status reporting API: redesigned storage model with better generalization API: allow attaching a hard disk to more than one VM at a time API: added methods to return network configuration information of the host system Shared Folders: performance and stability fixes for Windows guests (Microsoft Office Applications) This is a maintenance release. The following items were fixed and/or added: VMM: fixed guest hangs when restoring VT-x or AMD-V saved states/snapshots VMM: fixed memory allocation issues which can cause VM start failures with VERR_PGM_MAPPING_CONFLICT error VMM: fixed host crashes/hangs on certain 32 bits Windows systems when running Linux guests (bugs #1606, #2269, #2763) XPCOM/Main: fixed synchronization bug caused by SYSV semaphore key collisions ATA: fixed deadlock when pausing VM due to problems with the virtual disk (e.g. disk full, iSCSI target unavailable) iSCSI: fixed possible crash when pausing the VM iSCSI: fix PDU validity checking and detect final PDU reliably VBoxHeadless: really don't start X11 services (clipboard service, 3D acceleration; Solaris & Darwin hosts only; bug #3199) Networking: fixed issue where a VM could lose connectivity after a reboot Linux hosts: fixed occasional kernel oopses (bug #2556) Solaris hosts: fixed high CPU load while running many guests in parallel Solaris hosts: fixed inability to start more than 128 VMs Solaris/Web services: fixed SMF script to set home directory correctly Linux Additions: fixed occasional file corruption when writing files in O_APPEND mode to a shared folder (bug #2844) This is a maintenance release. The following items were fixed and/or added: VMM: fixed Guru meditation when running 64 bits Windows guests (bug #2220) VMM: fixed Solaris 10U6 boot hangs (VT-x and AMD-V) bug #2565) VMM: fixed Solaris 10U6 reboot hangs (AMD-V only; bug #2565) GUI: the host key was sometimes not properly displayed (Windows hosts only, bug #1996) GUI: the keyboard focus was lost after minimizing and restoring the VM window via the Windows taskbar (bugs #784) VBoxManage: properly show SATA disks when showing the VM information (bug #2624) SATA: fixed access if the buffer size is not sector-aligned (bug #2024) SATA: improved performance SATA: fixed snapshot function with ports>1 (bug #2510) E1000: fixed crash under rare circumstances USB: fixed support for iPhone and Nokia devices (Linux host: bugs #470 & #491) Windows host installer: added proper handling of open VirtualBox applications when updating the installation Windows host installer: fixed default installation directory on 64-bit on new installations (bug #2501) Linux/Solaris/Darwin hosts: verify permissions in /tmp/vbox-$USER-ipc Linux hosts: fixed assertion on high network load (AMD64 hosts, fix for Linux distributions with glibc 2.6 and newer (bug #616) Linux hosts: don't crash during shutdown with serial ports connected to a host device Solaris hosts: fixed incompatibility between IPSEC and host interface networking Solaris hosts: fixed a rare race condition while powering off VMs with host interface networking Solaris hosts: fixed VBoxSDL on Solaris 10 by shipping the required SDL library (bug #2475) Windows Additions: fixed logged in users reporting via guest properties when using native RDP connections Windows Additions: fixed Vista crashes when accessing shared folders under certain circumstances (bug #2461) Windows Additions: fixed shared folders access with MS-Office (bug #2591) Linux Additions: fixed compilation of vboxvfs.ko for 64-bit guests (bug #2550) SDK: added JAX-WS port caching to speedup connections This is a maintenance release. The following items were fixed and/or added: VMM: better error reporting for VT-x failures VMM: don't overflow the release log with PATM messages (bug #1775) VMM: fixed save state restore in real mode (software virtualization only) GUI: work around a Qt bug on Mac OS X (bug #2321) GUI: properly install the Qt4 accessible plugin (bug #629) SATA: error message when starting a VM with a VMDK connected to a SATA port (bug #2182) SATA: fixed Guru mediation when booting OpenSolaris/64; most likely applies to other guests as well (bug #2292) Network: don't crash when changing the adapter link state if no host driver is attached (bug #2333) VHD: fixed bug which prevents booting from VHD images bigger than 4GB (bug #2085) VRDP: fixed a repaint problem when the guest resolution was not equal to the client resolution Clipboard: don't crash when host service initialization takes longer than expected (Linux hosts only; bug #2001) Windows hosts: VBoxSVC.exe crash (bug #2212) Windows hosts: VBoxSVC.exe memory leak due to a Windows WMI memory leak (Vista only) (bug #2242) Windows hosts: VBoxSVC.exe delays GUI startup Linux hosts: handle jiffies counter overflow (VM stuck after 300 seconds of host uptime; bug #2247) Solaris hosts: fixed host or guest side networking going stale while using host interface networking (bug #2474) Solaris hosts: added support for using unplumbed network interfaces and Crossbow Virtual Network Interfaces (VNICs) with host interface networking Solaris hosts: reworked threading model improves performance for host interface networking Windows Additions: fixed crash when accessing deep directory structures in a shared folder Windows Additions: improved shared folder name resolving (bug #1728) Windows Additions: fixed Windows 2000 shutdown crash (bug #2254) Windows Additions: fixed error code for MoveFile() if the target exists (bug #2350) Linux Additions: fixed seek() for files bigger than 2GB (bug #2379) Linux Additions: support Ubuntu 8.10 Linux Additions: clipboard fixes (bug #2015) Web services: improved documentation and fixed example (bug #1642) This is a maintenance release. The following items were fixed and/or added: 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 This version is a major update. The following major new features were added: 64 bits guest support (64 bits host only) New native Leopard user interface on Mac OS X hosts The GUI was converted from Qt3 to Qt4 with many visual improvements New-version notifier Guest property information interface Host Interface Networking on Mac OS X hosts New Host Interface Networking on Solaris hosts Support for Nested Paging on modern AMD CPUs (major performance gain) Framework for collecting performance and resource usage data (metrics) Added SATA asynchronous IO (NCQ: Native Command Queuing) when accessing raw disks/partitions (major performance gain) Clipboard integration for OS/2 Guests Created separate SDK component featuring a new Python programming interface on Linux and Solaris hosts Support for VHD disk images In addition, the following items were fixed and/or added: VMM: VT-x fixes AHCI: improved performance GUI: keyboard fixes Linux installer: properly uninstall the package even if unregistering the DKMS module fails Linux Additions: the guest screen resolution is properly restored Network: added support for jumbo frames (> 1536 bytes) Shared Folders: fixed guest crash with Windows Media Player 11 Mac OS X: Ctrl+Left mouse click doesn't simulate a right mouse click in the guest anymore. Use Hostkey+Left for a right mouse click emulation. (bug #1766) In VirtualBox 3.2, changelog information for versions before 2.0 were removed in order to save space. To access this information, please consult the user manual of VirtualBox 3.1 or earlier.