4 ms·

your filesystem will be automatically changed to APFS, no need to reinstall (Apple did this already with the iPhone as well)

• cpncrunch 9y ago
  Is this something that I want? My gut feeling is that I don't want a brand-new file system...
  • manmal 9y ago
    Sure, it has a lot of upsides, like copying of large files happening within an instant.