# Development

> Build a development version of the Player.

## Definition

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

```csharp
Development = 1
```

### Remarks

A development build includes debug symbols and enables the [Profiler](/engine/6000.6/script-reference/unityengine/profiling/profiler.md).

Additional Resources: [BuildPipeline.BuildPlayer](/engine/6000.6/script-reference/unityeditor/buildpipeline/buildplayer.md)