Please see git logs for detailed change log.
This file just contains highlight.
+Changes Prior to release 3.1.1
+ - Multiple fixes for new --grow levels including fixes for
+ serious data corruption problems.
+ - Change default metadata to v1.1
+ - Change default chunk size to 512K
+ - Change default bitmap chunk size to 64Meg
+ - When --re-add is used, don't fall back to
+ --add if --re-add fails as this can destroy data.
+
Changes Prior to release 3.1
- Support --grow to change the layout of RAID4/5/6
- Support --grow to change the chunksize of raid 4/5/6