The .rar format and "part02" naming convention strongly suggest this is part of a multi-volume download often found on third-party modding sites or unofficial distributors. Official updates for ETS2 are typically handled directly through Steam or the Official Euro Truck Simulator 2 Website.
: Major overhauls were applied to several German cities, including Berlin, Munich, Mannheim, Leipzig, and Dresden. Accessibility & Quality of Life Smooth and Auto Camera Centering
Significant improvements to the cabin (interior and exterior), chassis, and textures.