# Legacy

> Use the stable version of the scripting runtime.

## Definition

* **Type:** Field
* **Namespace:** [UnityEditor](/engine/6000.7/script-reference/unityeditor.md)
* **Assembly:** UnityEditor.CoreModule

> **Warning:**
>
> **Deprecated.** ScriptingRuntimeVersion has been deprecated in 2019.3 now that legacy mono has been removed

```csharp
Legacy = 0
```

### Remarks

This is currently equivalent to a .NET 2.0 runtime.