3.3beta2 - upgrade path?

[whit.gluster at transpect.com (Whit Blauvelt)]

> ... the new hotness of GlusterFS 3.3, the 2nd beta of
> which we released today:
> 
> http://www.gluster.com/community/documentation/index.php/3.3beta

If that beta is installed over a 3.1.6 system (not too critical to
production of course) will it work, or is there an upgrade path that simply
hasn't been specified yet (anywhere I've looked)? 

Thanks,
Whit