GP2x Firmware 3.0.0 has been released. This firmware mainly consists of design change and minor changes.
Update 23:52: Few people seem to complain about the new layout and it’s functionality – if you want to be on the save side, stick with the latest stable 2.x.x Firmware.
Source
This article is over 2 years old — the linked page may have changed, moved, or been taken over since then.