Scala is probably the most pragmatic functional programming language to get a job in. It's on the JVM and you can use all the Java libraries, and it also lets you fall back to an imperative style if you need to.
F# is on .NET CLR and you can use all the .NET libraries, and it lets you fall back to an imperative style if you need to!
did you try it?
Hint: there is a lot of things required before F# could use latest WinUI or WPF