MR gets a couple of new features. Support for HTTPS is one that’s been coming for a while now.
Dynamics GP 2016 R2 Feature of the Day: Management Reporter Enhancement – Microsoft Dynamics GP Community
Tips & Hidden FeaturesReporting & BIGP 2016
Archived post from 2016. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.