http://www.eurogamer.net/articles/20...-on-the-switch
So the Switch may not be getting the pocket version after all.
SE is trying (apparently very hard) to get XV proper running on the Switch. Tabata, and SE as a whole, have gotten XV to run on Switch with unsatisfactory results and are looking at options (such as working with Epic and Unreal Engine 4) to get a full blown Switch version running.