Please see git logs for detailed change log.
This file just contains highlight.

Changed Prior to release 3.0
   -    Support for externally managed metadata, specifically DDF and IMSM.
   -    Depend on udev to create entries in /dev, rather than creating them
	ourselves.
   -    remove --auto-update-home-hosts
   -    new config file line "auto"
   -    new "<ignore>" and "any" options for "homehost"
   -    numerous bug fixes and minor enhancements.
