For those familiar with DragonFly BSD and Hammer but without any idea what Bitrig is (like myself), it appears to be an OpenBSD fork focused on modernization:
Certainly not important…but they also seem to have one of the ugliest logos I have ever seen!
HAMMER is a file system written for DragonFly that provides instant crash recovery, multi-volume file systems, integrity
checking, fine grained history/undo, networked mirroring, and historical snapshots. HAMMER is the default file system
And more HAMMER/HAMMER2 news can be found at http://www.shiningsilence.com/dbsdlog/category/hammer.