Fargo, ND will use approval voting for the first time this Tuesday, June 9th. First time in American history. Albeit this is a two-winner race. So their are 7 candidates on the ballot (one of whom dropped out), and two write-in slots. You can vote for as many candidates as you want to, and the two with the most votes win.
https://www.inforum.com/news/government-and-politics/6492174...