Apple File System
Siracusa will finally be happy. ;-)<p>Sounds an awful like like ZFS (zero-cost clones, read-only snapshots) but could it be? I would imagine they&#x27;d start from scratch to due IP issues.<p>Clearly this is immature technology they want to get out for testing&#x2F;evaluation before it&#x27;s fully adopted even into their own products. (See below.)<p>- - - from the release notes - - -<p>As a developer preview of this technology, there are currently several limitations:<p>Startup Disk: APFS volumes cannot currently be used as a startup disk.<p>Case Sensitivity: Filenames are currently case-sensitive only.<p>Time Machine: Time Machine backups are not currently supported.<p>FileVault: APFS volumes cannot currently be encrypted using FileVault.<p>Fusion Drive: Fusion Drives cannot currently use APFS.