The Adrenaline Vault held an interview with Swen Wincke from Larian Studios about their upcoming RPG Riftrunner, which is set in the Divinity universe. Altough the whole interview is interesting, I'm sure you wouldn't want to miss this bit:

Tell us something about Divinity II to whet our appetites!
It'll be big - VERY big. It has a very good 3D engine. It's multiplayer. And it contains a lot of cool features.