We don’t normally cover rumors on the site, because of difficulty of determining accuracy of sources but this is something potentially big for Dark Souls fans. Take this with an EXTREME grain of salt however.
— LetsPlayVideoGames (@letsplayvgcom) December 6, 2016
The author of the article has connections to Switch sources and shared the following image on Twitter:
We already know that From Software is a registered partner with the new console. Could this be what they are planning ?