# Release

> Release mode disables C# debugging but improves C# performance.

## Definition

* **Type:** Field
* **Namespace:** [UnityEditor.Compilation](/engine/6000.6/script-reference/unityeditor/compilation.md)
* **Assembly:** UnityEditor.CoreModule

```csharp
Release = 2
```

### Remarks

Release mode performs optimizations when compiling scripts, but does not add debug information to the C# Intermediate Language. These compiler optimizations affect C# Intermediate Language size, speed and efficiency.