The sound that I and many others are hearing can be reproduced with very minor changes to throttle. As long as you go from slightly accelerating to slightly decelerating, it makes the noise. I don't think the engine should be moving around much under those conditions.Clicking or clunking when accelerating or decelerating while in motion.
I have a 2015 Trailhawk with a similar issue that was more of a clunk noise than a click. The issue may be the engine mounts. The dealer first said it was a transmission problem but revving while on the lift showed as the gas was accelerated the engine torque caused the lifting of the engine, then when the gas pedal was released a second clunk as the engine settled back into place. If it's under warranty they will replace them. If not you will have to cover the cost as its not considered part of the drive train.