The primary focus of Patch v1.0.3 was a critical stability fix:

is a minor technical update released by Santa Monica Studio and Jetpack Interactive on January 24, 2022 . The patch was specifically designed to address critical performance issues reported by the community shortly after the game's highly successful debut on Windows. Core Fixes and Performance Improvements

Check out this side-by-side comparison to see how the game performs after the v1.0.3 stability fixes: God Of War - Patch (V1.0.3 vs V1.0.4) - Comparison Test Gaming Uploads YouTube• Jan 28, 2022

: The update resolved an issue where memory allocation would "leak" over time. This bug previously caused the game client to consume increasing amounts of RAM during long play sessions, leading to: Significant performance degradation (FPS drops). Unpredictable game client crashes .

By patching this leak, developers aimed to ensure a consistent experience for players who noticed the game becoming sluggish after roughly an hour of gameplay.