The Mac Mini hasn't really been touched since 2014. Now Apple has brought the Mac Mini into 2018.
The MacBook Air hasn't really been touched since 2015 except for a little spec bump in 2017. Now Apple has brought the MacBook Air into 2018.
Today CDs and DVDs seem to be on the decline. All Macs no longer ship with a superdrive, Windows PC are starting to pick up on the trend to. So what happened? Although today how often do you find your self using a CD or DVD? Now they have all been replaced by online streaming services. There are endless possibilities to buy an find the content that you want to watch online so why get a physical copy?