They're not bugs. They're “alternative features”.
What's notable about this event isn't what they introduced, it's what they retired. Hardware Fn keys, dedicated USB, SD, HDMI, MagSafe, Air.
It's the year of Linux on the desktop! arstechnica.com/information-te…
OH MY GOD Y'ALL THEY GOT RID OF THE X FROM OS X BECAUSE THEY NEEDED IT TO MAKE ALL THOSE NEW PHONES
2011: "Dropbox isn't something we're going to support in the OS."
2017: "Dropbox is totally supported in the OS."