GameSpot complies an article of all the info about the first, and only, paid expansion for 2077 that we have. Here is a snip;
Is Keanu Reeves back?
Everyone's favorite rebel rocker cyber-ghost, Johnny Silverhand, will be back to offer his unique take on the world of Night City. Keanu Reeves will once again provide Silverhand's likeness and voice. "It's awesome to be back playing the role of Johnny and I hope you're excited to see him rocking out once more in the dark future," Reeves said during the Phantom Liberty reveal last year.
Gameplay changes and updates
CDPR has described Phantom Liberty as a spy-thriller, one that involves the protagonist V accepting a high-risk espionage mission on behalf of the New United States of America government. As for gameplay changes, a complete overhaul to the cop system and vehicle-to-vehicle combat are some of the confirmed changes coming to Cyberpunk 2077 once the expansion goes live, according to game director Gabriel Amatangelo.