The rumors were true and the Youtube App is now officially available for Nintendo Switch.
Kick back and relax with @YouTube on your #NintendoSwitch. Enjoy entertainment like music videos and shows, plus gaming livestreams, how-to guides and much more. YouTube is now available to download from Nintendo #eShop.
— Nintendo of Europe (@NintendoEurope) November 8, 2018
The app is a free download and should be available now on the eShop.