Originally Posted by melianos
First I have a question, if I do fiddle with DOS editor, will it be useful training for DOS2 editor ?

I would say yes to some extend. I don't think the editor will be 100% different. But I also don't know how far we will go with that, so maybe?

Originally Posted by melianos

If I work on a map on DOS:EE, will I be able to import it in DOS2 editor ? Maybe not everything, but part of it (terrain mostly) ?

Probably not sadly. Things will change too much in the code and in a lot of other stuff "behind".