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Re:Apple File System by josteink on Monday June 13, 2016 @05:25PM (#11897797)
It's apple reinventing the zfs and btrfs wheels. Which are already mature, useable and open source.

Google them and see what they do well, and you might get some ideas.

Re:Apple File System by tracewpearson on Monday June 13, 2016 @06:01PM (#11898085)
Both filesystems have copyleft licenses so that may factor into Apples decision.