The newest version in the forums is 3.0.0(3722) for OBi202/OBi302. What is new in build 3741? Is there a newer build?
I saw that also (http://www.obitalk.com/forum/index.php?topic=5275.msg35038#msg35038). An educated guess is this new build only includes bug fixes, if it had new features there would be some announcement.
I'm noticing a continuing stream of small issues on this build, such that I have yet to go more than 24 hours without needing a reboot.