MrARM announced on Twitter that he is uncertain about the release date for the Toolbox update. It could be available in a week or perhaps two, but he is actively working on enhancing his Toolbox.
I have no idea when the update will be out. Might be a week. Might be two. It's a lot of stuff to update!
— MrARM (@MCMrARM) December 12, 2015
He also shared a screenshot highlighting some bugs within Toolbox: 
