Well, the short answer to this question is nothing. After the impressive and (mostly) stable Anniversary Update in 2016, your Windows 10 system should be sitting at version 1607.
To answer the important question of what's next, let's review the different update approaches to Windows 10 that exist out there.
The mainstream consumer release of Windows 10 that most of us have updated with the Anniversary Update is called the Current Branch (CB). Understand that the Current Branch for Business (CBB) lags behind the CB by several months. This is an excellent idea, since most businesses want there to be extra time while any issues with the CB are ironed out with bug fixes. That's right—Microsoft experiments a bit with us home users.