Notably, there's ongoing work (with an already functional result) to run Mirage on top of the low-level drivers provided by Rumprun. The idea in doing that is

Notably, there's ongoing work (with an already functional result) to run Mirage on top of the low-level drivers provided by Rumprun. The idea in doing that is enabling the "top-level" Mirage stack to run in environments for which they don't have native OCaml drivers yet. (disclaimer: I don't speak for Mirage, though I do speak for Rumprun)