This is where the modding breakthrough occurred. A developer known as Doctor+ Productions (a legendary figure in the FIFA modding scene) discovered that you could extract the devdata.dat from older FIFAs (specifically FIFA 09, 10, 12, 14) and inject them into newer titles.
: While FIFA 19 generally uses modern input APIs, some legacy users still attempt to use these files to force older hardware to work or to replicate the specific "feel" of older controls. Which is "Better"? devdata dat fifa 09 19 better
FIFA 19, benefiting from the Frostbite engine, utilizes a real-time physics solver. The code doesn't just say "Player A tackles Player B." It calculates the force of the impact, the angle of the studs, the flex of the knee ligament, and the weight distribution of both players. This is where the modding breakthrough occurred
Always save a copy of your original devdata.dat . Which is "Better"
| Table ID | Purpose | FIFA 09 Value (Better) | FIFA 19 Stock (Worse) | | :--- | :--- | :--- | :--- | | POWERBAR_RATE | Shot charging speed | Slower (requires skill) | Instant (arcade) | | DEFENDER_MARKING | Defensive AI aggressiveness | Low (user controls) | High (auto defending) | | BALL_AIR_RESISTANCE | Air physics | Realistic drift | Bullet-like straight lines | | PASS_ERROR_RANGE | Manual passing accuracy | Wide (error for bad angle) | Narrow (magnetic rails) |
: The Active Touch System. Ten years later, FIFA 19 introduced much more fluid animations and the , which overhauled how players receive and strike the ball. It also added Timed Finishing , a high-risk/high-reward mechanic for shooting accuracy that wasn't possible with '09's more rigid engine. Key Game Modes