🎲The Changeling counts as a shapechanger, which renders it immune to polymorph and gives it disadvantage vs. moonbeam.
Props to @HellcowKeith for chasing down a hard answer for us.
Here's a great recap from V2Blast who asked the question:https://t.co/BHNicA3tjD
— ThinkDM (@ThinkingDM) December 7, 2019
— Jeremy Crawford (@JeremyECrawford) December 7, 2019