This is a tangent, but does Fable still require you to manually toposort your module hierarchy in an XML file? That was my experience using the language with VS Code circa a year ago.
I've actually not been an actual user besides running a random repo to see how it all fits in nicely. But... i've been playing more with F# and it really is a fun language to use and capable.
I was able to compile a number of F# applications to "native" or as close as possible and they ended up getting significant performance improvements.
For instance a ray tracing application when compiled to native had improvements of 50%.