I was unable to understand the llvm source well enough to understand your point. Are they working on a WebAssembly port that will get their intermediate code to a point where Fortran works?
I meant that we are actively developing a new implementation of the Fortran language itself here. We are still adding features and fixing bugs. Fortran code that compiles and runs today with llvm-project/main HEAD may well not compile or not run with older release branches.