Sorry I missed that this had already been brought up.
I guess the suggestion helps, but isn’t this something that would need to be done with each new beta release (and new .zip file to go with it)?
more rhetorical than anything, if you can’t add the chapter numbers, you can’t add the chapter numbers (though, that, in itself seems like an odd limitation… I’m sure having to do with whatever process is used for authoring the books, but, still… odd)