I don't know that we can necessarily provide correct information for those errors as it depends where they actually fail. If we're simply passing on an error from the loader, then there's very little we can do.

We may be able to make an educated guess based on our context, but there's a fairly high chance we'll guess wrong in some cases and make them more difficult to debug (unless you know that the error is only a guess, in which case you're back to procmon or Dependency Walker).

You're right that all versions are affected, however I think improving these diagnostics is only within scope for 3.5 and 3.6 at this stage.