I think it's pretty clear now that either management don't see any need for Markdown support, that the underlying (legacy) code is resistant to it being added, or the developers don't have the necessary skills to add it (or a combination of the above). I remember reading that Markdown was in the process of being added, but that was years ago and must have been abandoned. I'm afraid it looks like it's just a matter of waiting for something better to come along. I have pushed all my long-form notes to Gitbook and really just use Evernote for small fragments. I would suggest anyone that hasn't looked at Gitbook to give it a go. It is solid and (unlike Evernote) is constantly being improved.