Yes it’s late by a few months but here it is MacOS High Sierra Release Notes
Guide to Charging
Everyone wants their mobile tech charged and fast. To do this its important to know your charging options because all chargers are not created equally. The speed add depends on the adapter or commonly referred to as the plug. This is the part that you plug into the wall and most of the time has a USB port on one side of it. Here I will be writing only about the power adapter sizes that Apple sells on their website.