Bluetooth 4.1 (not 4.2)?

It looks like the Moto X Pure has only Bluetooth 4.1... not the latest 4.2. I've read some security enhancements with 4.2 but not sure of any real world differences. I rely on bluetooth for my Moto 360 and audio in the car and at home.

Does this concern anyone? Any problems you may know of or are there any bluetooth experts that can enlighten us? Thanks in advance.