3.0.2 is tagged and released. Images for 3.0.2 are also out, and should be at most mirrors by now.
The major difference between 3.0.1 and 3.0.2 is I/O APIC is disabled by default when running DragonFly in a virtual machine; some people had booting issues with that on. For a shortlog of changes: http://leaf.dragonflybsd.org/mailarchive/commits/2012-03/msg00122.html
