Extas1s: Fable was delayed due to technical reasons
According to a source from Extas1s (which informed him of a possible Delay around the end of January), the reason for postponing Fable has nothing to do with porting the game to PS5, or even a Switch 2 port (which is likely), but rather problems with the game's development time, quality control because of the the Forza engine, which was made for racing games.
According to his sources, they are making adjustments to the gameplay because the game didn't seem very fun at first and they're also fixing the pace of progression