I've come across an issue in which the configuration of my app is broken (through using functionality of the ExB GUI only), though the published version works just fine.
Even without such issues, it would be really useful to be able to revert to the published version / delete the draft of the app, as you can do in Sites, to start again from the published version:
You must be a registered user to add a comment. If you've already registered, sign in. Otherwise, register and sign in.