macOS 10.13 High Sierra
The next version of macOS, dubbed High Sierra, is in part about laying groundwork for the future – or bringing the Mac into line with other platforms, depending on how you look at it. For starters, it will follow in the footsteps of iOS 10.3 by replacing the Mac’s aging file system with Apple File System (APFS). Apple says this has performance and security benefits, and will enable further innovation for the future.
Like iOS 11, High Sierra adds support for HEVC, enabling up to 40 percent better compression of
