I doubt this is something that gets addressed by IPS with everything else they're working on. The editor is the number one issue right now for my community. The constant topics and PMs to me complaining about it are becoming overwhelming.
Is there a way to disable autosaving? One of my members' biggest complaints is the fact that they'll start a message, change their mind. It causes some frustration when it's a quote since those are hard to delete on some devices.