Do you wish you had kept 3e’s Ex/Su/Sp ability descriptors? Nope. My only regret in this regard is that we left the open-ended "magical effects" wording in some places.
Also, antimagic field is a funny spell in that it's the star of many internet discussions, despite not seeing frequent use at the game table.
— Jeremy Crawford (@JeremyECrawford) April 20, 2020