Apple announced one huge change at WWDC 2016: The company is replacing the HFS+ file system on MacOS, iOS, tvOS and WatchOS with a new file system.

The company has introduced its brand new file system called The Apple File System — or APFS for short — for iOS, OS X, tvOS, and WatchOS, making security its centerpiece.

“The Apple File System (APFS) is the next-generation file system designed