:copyright: 2019 Apple Inc. All rights reserved. Redistribution or public display not permitted without written permission from Apple.#WWDC19Max Matveev, CoreOS Jon Becker, CoreOS Bill Stouder-Studenmund, CoreOS•What’s New in Apple Filesystems•Protecting system software on macOS •APFS volume replication •External files for iOSAPFS Refresher Default filesystem on iOS since 10.3 and macOS since High SierraAPFS Refresher Default filesystem on iOS since 10.3 and macOS since High SierraHFS Plus