With the March Update, Rocket League now includes DirectX 11 on Steam. If you are experiencing issues with DirectX 11 you may opt-out and use DirectX 9 instead.
Here’s how you can opt-out of the DirectX 11 client
- Open Steam
- Right-click Rocket League
- Select Properties
- Click on the General tab
- Click on the Select Launch Options button
- In the text field type: -dx9
- Click the OK button
- Start Rocket League