• Fixed kernel oopses;
• Fixed shipped modules' dependency;
• The USB udev rules were moved forward to prevent overriding system rules;
• Fixed a communication issue between guests while connected through TAP interfaces;
• Fixed several warnings in the installer if SELinux was not active;
• Fixed an issue that prevented VirtualBox to start after a previous sudo start-up of it;
• Fixed a file corruption that sometimes occurred when writing files to a shared folder in O_APPEND mode in Linux Additions;
• Fixed the mouse driver that hadn't been properly set up in X.Org release candidates for Linux Additions;
• Fixed a performance regression for Windows guests;
• Fixed NAT crashes under high load;
• NAT: TFTP packages that have destination addresses other than those from the built-in TFTP server are not intercepted;
• The case insensitive OS type name lookup was restored;
• Occasional NAT crashes when the guest is doing traceroute were fixed;
• If dbus or hal are not present, USB probing is cancelled;
• The Linux Additions installer was fixed to work under openSUSE 11.1;
• The dynamic resizing was disabled in Linux Additions if the X server was configured for fixed resolutions;
• The virtual resolutions that are bigger than the guest resolution are now properly handled;
• Several USB passthrough fixes;
• USB: CPU utilization is now reduced if EHCI is active;
• Additional key release events are now inhibited if the keys are auto-repeated;
• On ATA drives, a deadlock that occurred when pausing the Virtual Machine while experiencing virtual disk problems was fixed;
• A possible iSCSI VM crash that occurred while pausing was fixed;
• The missing GL_MAX_TEXTURE_COORDS_ARB was added.

Tentang Sun xVM VirtualBox
        VirtualBox adalah peket software x86 untuk virtualisasi sistem operasi yang awalnya dikembangkan oleh sebuah perusahan Jerman innotek. Setelah diakuisisi Sun Microsystems, VirtualBox kini menjadi bagian dari Sun xVM virtualization platform. VirtualBox dapat di instalasi di sistem operasi eksisting sebagai tuan rumah dari banyak sistem operasi virtual sebagai tamu ditambahkan berikut aplikasi terkait.
        Sebagai tuan rumah (host OS) VirtualBox mendukung sistem operasi termasuk: Linux, Mac OS X, OS/2 Warp, Windows XP atau Vista, dan Solaris. Sementara sistem operasi tamu yang didukung termasuk sistem operasi DragonFlyBSD, FreeBSD, Linux, OpenBSD, OS/2 Warp, Windows and Solaris. Versi terkini juga mendukung Windows 7 beta.
        Berdasarkan jajak pendapat yang dilakukan DesktopLinux.com pada tahun 2007, VirtualBox merupakan paket software popular ketiga yang acap digunakan untuk menjalankan program Windows diatas desktop yang menggunakan Linux.