The game’s race of robots has long been missing from 5e for the number of years, just before a number of Unearthed Arcana releases began to tease their reintroduction, with the Warforged becoming officially inducted into the 5e rules from the dietary supplement From the Monsters with the Multiverse update, https://tieflingsorcerer13467.mdkblog.com/33815381/goblin-fighter-dnd-secrets