The Virginia GOP used RCV in its nominating convention this year.
23 cites in Utah, including Salt Lake City, voted recently to adopt RCV.
Alaskan voters in 2020 adopted RVC for federal and statewide races.
Maine voters in 2018 adopted RCV for federal and state elections (in state elections, it is used only in primaries due to a court decision).
That’s along with liberal cities that have used RCV for a while, including San Francisco, Minneapolis, Oakland, and Cambridge.
To be sure, none of these changes have been adopted by state legislatures. But this list of places is fairly diverse.