VirtualBox, an open source x86 virtualization project available for free has just hit version 4.2.4. The new version, a 101 megabyte download, features the following fixes and changes:
- GUI: fixed validation warning on global settings / proxy page (4.2.2 regression, bug #11089).

- GUI: fixed crash with multiple guest screens on certain conditions (OS X hosts only).

- VBoxBalloonCtrl: fixed command line argument handling of ballooning module.

- VRDP: fixed occasional crash during a video playback in the guest (bug #11082).

- BIOS: fixed broken DMI information (4.2 regression).

- BIOS: workaround for booting from Windows 2000 floppy disks.

- EFI: fixed video mode selection loss on VM reboot (bug #10983).

- Parallel: fixed parallel port printing failure/ paper queue empty error (Windows hosts only; bug #2226).

- NAT: fixed crash on alias-less DNS responses when host-resolver is used.

- Storage: fixed hang under rare circumstances.

VirtualBox 4.2.4 is available for free and requires an Intel-based Mac running Mac OS X 10.6 or later and an Intel-based Mac to install and run.

If you’ve tried the new version and have any feedback, please let us know.