It’s become routine: Each new update of Mac OS X macOS breaks third-party drivers and applications. This time it’s many popular third-party USB 3.0 Gigabit Ethernet adapters that don’t work. But have no fear! It’s a simple fix!
macOS Sierra Includes a New Apple File System, APFS
Although not discussed in today’s keynote, Apple is adding a new “universal” filesystem to iOS and macOS. Apple File System (APFS) will likely replace HFS+ as the default filesystem for Macintosh computers, iPads, and iPhones and brings a wealth of modern features. But judging from the initial developer documentation, that’s not going to happen for a few more years. And there’s still much confusion about how APFS and CoreStorage, introduced in Mac OS X 10.7, will interact.