Major advances in signal penetration, allowing greater distances and less obstacle deterioration. HD signal advancements. With the hacking of DJI's systems others will start implementing things similar the Lightbridge and Occusync transmission systems (which probably came from our government being hacked and compromised anyway) and we should start seeing crystal clear video enhancements. I can currently get out about 5 miles (without obstructions) with my Phantom 3 Pro system. Those are the two major advancements that I see on the immediate horizon.
Jerry