Weighing in at 686MB on PS4, the update also improves lighting and shaders, fixes a performance issue near objects emitting fire, and fixes a number of other issues, as you can see from the patch notes:
Iron Galaxy and The Fun Pimps announced today that they’ve released 7 Days to Die update 1.03 for PlayStation 4 and Xbox One, which aims to fix crashing, freezing, and an infinite loading screen. 7 Days to Die Update 1.03 Today on PS4 & Xbox One Fixes Lots of Crashes, Freezing Issues
