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

Changes Prior to release 3.0.3
   -    Improvements for creating arrays giving just a name, like 'foo',
	rather than the full '/dev/md/foo'.
   -    Improvements for assembling member arrays of containers.
   -    Improvements to test suite
   -    Add option to change increment for RebuildNN messages reported
	by "mdadm --monitor"
   -    Improvements to mdmon 'hand-over' from initrd to final root.
   -    Handle merging of devices that have left an IMSM array and are
	being re-incorporated.
   -    Add missing space in "--detail --brief" output.
	
Changes Prior to release 3.0.2
   -    Fix crash when hosthost is not set, as often happens in
	early boot.

Changes Prior to release 3.0.1
   -    Fix various segfaults
   -    Fixed for --examine with containers
   -    Lots of other little fixes.
	
Changes 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.
