Per the co-creator of 5e, you're supposed to be able to: https://twitter.com/ImRaijen/status/775125051263819776?ref_src=twsrc%5Etfw%7Ctwcamp%5Etweetembed%7Ctwterm%5E775148210364948480%7Ctwgr%5E%7Ctwcon%5Es2_&ref_url=https%3A%2F%2Fwww.sageadvice.eu%2F2016%2F09%2F30%2Fcan-you-move-a-moonbeam-spell-as-a-druid-if-you-shape-shift-into-something-like-a-bear%2F

Yet, you can't in this game. Are they working on this or is this somehow an intentional nerf?