Although there are no specs to talk about at this stage, the image of this upcoming slate leaked by Evan Blass reveals that the next Ellipsis tablet runs what appears to be a stock Android build (maybe Nougat, but it might run Marshmallow as well) with a few Verizon Wireless apps added on top.
https://www.notebookcheck.net/Verizon-Ellipsis-10-HD-surfaces-online.223384.0.html