The sheriff of Crystal Cove looks very different than he did in Scooby-Doo! and the Curse of the 13th Ghost (2019) and Scooby-Doo: Return to Zombie Island (2019). He is smaller and not as muscular in this one.
During the battle with the Jackal-Lanterns, Elvira loses one of her black high-heeled shoes, the left one. Daphne subsequently retrieves it, however it now appears to be a right shoe.