GRUB for DOS Changelog
What's new in GRUB for DOS 0.4.4
Apr 1, 2009- added cdrom emulation support;
- added the geometry tuning feature for better working with USB BIOSes;
- added commands ls, tpm, checktime, checkrange, dd, gfxmenu;
- added ext3/ext4 support;
- fixed a heap of bugs.