Why "experiment", as opposed to prior releases?
— Mavalanche (@aus_maverick) January 8, 2018
Every installment of Unearthed Arcana is an experiment. We explore design directions that (a) amuse us, (b) might make it into a book, (c) many people have requested, or (d) all of the above. #DnD https://t.co/388udTnm5I
— Jeremy Crawford (@JeremyECrawford) January 8, 2018