What sort of design choices are intended to add longevity to 5th Edition? Zoltar 7 years ago Comment from discussion [AMA] Mike Mearls, 5th Edition D&D Lead Designer. Share this: AMA Mike Mearls, 5e D&D May 2017Which previous edition of D&D has the most influence on 5th edition?Trivia Quiz on 5th edition D&D Rules!