Posted by capellic on June 6, 2016 at 3:09pm
There was quite a bit of discussion/concern about the the editor UX during the BoF. I've opened this case with the hopes it is an easy (and modest) first step in improving the visual design. You may want to make a comment on that case if you have something to add or follow it.

Comments
I've managed to do a bit of
I've managed to do a bit of UX improvement provided by the draggable table classes. See code in the case: https://www.drupal.org/node/2734303#comment-11271521