Ubisoft has clarified that Assassin's Creed Shadows, the upcoming tale of a samurai and a shinobi in Sengoku-era Japan, will not require an internet connection to run. You will need to be online in order to install the game, but once that's done you can play offline as much as you want.
The confusion arose from Assassin's Creed Shadows' PlayStation Store page, which indicated that an internet connection would be required to play the game. That did not go over particularly well with some fans...