I haven’t yet shed my dependency on Together for easy dropping of things into a database or for temporary storage prior to moving in DTPro or for longterm storage of more casual information items than I might employ DTPro. I am still hopeful that DTPro 2.0 can become my sole program; some of the suggestions here would help if implemented.
Yes. 
I wish they’d settle on either Open Meta or OpenMeta as the official name instead of the haphazard usage of both.
To some extent. I’ve noticed discussion about it on Ironic Software’s forum but haven’t paid close attention. For now I’m more interested in what the primary developer is doing with it.