5.0.0f4 - Unity

using UnityEngine;
public class GIDemo : MonoBehaviour
public Light directionalLight;
void Start()
// Ensure realtime GI is enabled (requires Lightmap Static flag)
    RenderSettings.ambientMode = AmbientMode.Skybox;
// Example: change light color and see GI update in realtime
    if (directionalLight != null)
        directionalLight.color = Color.red;
void Update()
// Force GI update (expensive – use sparingly)
    if (Input.GetKeyDown(KeyCode.G))
        DynamicGI.UpdateEnvironment();

Do not attempt directly to 2022+ – you must go stepwise: unity 5.0.0f4

Expect API breakage:

Unity 5.0.0f4 introduced the Audio Mixer window. For the first time, developers could create complex audio buses, apply snapshots for UI/menu transitions, and add real-time effects (reverb, low-pass filters) without third-party plugins. This patch fixed a specific bug in f3 where audio snapshots would fail to blend correctly. Do not attempt directly to 2022+ – you must go stepwise: