Version: 2017.3


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public static bool isDebugBuild ;


В Build Settings это чек бокс под названием "Development Build".

If it is checked isDebugBuild will be true. In the editor isDebugBuild always returns true. It is recommended to remove all calls to Debug.Log when deploying a game, this way you can easily deploy beta builds with debug prints and final builds without.

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour { void Example() { if (Debug.isDebugBuild) Debug.Log("This is a debug build!"); } }