You can now shoot from inside your car (using pistols and SMGs) and perform quickhacks from your driver's seat. This alone justifies the 20+ GB download of the update.
In the PC gaming community, is well-known for providing "repacks" and cumulative updates. For a game as massive as Cyberpunk 2077, managing separate patches can be tedious. Cyberpunk 2077 update 2.00 - 2.01 -Elamigos Upd...
While 2.0 was transformative, it brought along some technical "shrapnel." The served as the necessary polish, focusing on stability and specific gameplay fixes: You can now shoot from inside your car
To move from an older version (e.g., 1.63) to 2.00 or 2.01, you generally have two options: 1.63) to 2.00 or 2.01