Ahsoka will continue the story of Anakin Skywalker's apprentice. The upcoming Disney+ series finds Ahsoka Tano during the era of The Mandalorian, picking up her story where Star Wars Rebels left off. As such, several characters from Rebels are also due to return, along with a few other familiar faces from Star Wars history.
Source:https://www.cbr.com/ahsoka-star-wars-cameos-fans-want/