You mean from flying 100 mph in WW1 over the lines, to flying at 300mph in WW2 defending ships or airfields etc, or attacking Britain ? I hope so
It's a new campaign totally geared for the WW2 environment and the BoB period. Very different attacks and tactics from WW1 of course.
AI has lots of new WW2 knowledge, for example like flying the JU87 and performing proper dive bombing whilst trying to hit a moving ship
AI can react differently in certain conditions to WOFF.
DM changes, you can belly land for example now.
However it is still all about single player immersion up in the sky defending your country or attacking with great AI.