as it stands now, we’re just not sure what @Tim and Team Radiant have in store… your best bet would be to visit the official site and or this thread for all your qubicle related questions/answers…
Radiant (Stonehearth) and Minddesk are negotiating some kind of offer for modders of Stonehearth. As Tim mentions in his “Dev Blog”, he is working on the next version of Qubicle (QC2) which will allow for “game specific features”:
“If you want an editor for your voxel game of choice, no problem.”
have fun! 
edit: wow, @voxel_pirate… you are a stealthy little ninja…