Added detailed Informations Generator Json Field

Editor/Scripts/PackageVersionPreprocessBuild.cs

@@ -0,0 +1,39 @@
+using UnityEditor;
+using UnityEditor.Build;
+using UnityEditor.Build.Reporting;
+using UnityEditor.Callbacks;
+using UnityEngine;
+
+namespace UnityGLTF
+{
+     public class PackageVersionPreprocessBuild : IPreprocessBuildWithReport
+     {
+         public int callbackOrder
+         {
+             get => 0;
+         }
+
+         private static void SetPackageVersion(bool resetValue = false)
+         {
+             var defaultSettings = GLTFSettings.GetOrCreateSettings();
+             if (!defaultSettings)
+               return;
+
+             defaultSettings.packageVersion = resetValue ? null : defaultSettings.GetUnityGltfVersion();
+             EditorUtility.SetDirty(defaultSettings);
+             AssetDatabase.SaveAssets();
+             AssetDatabase.Refresh();
+         }
+
+         public void OnPreprocessBuild(BuildReport report)
+         {
+             SetPackageVersion();
+         }
+
+         [PostProcessBuild(1)]
+         public static void OnPostprocessBuild(BuildTarget target, string pathToBuiltProject)
+         {
+             SetPackageVersion(true);
+         }
+    }
+}

Runtime/Scripts/GLTFSceneExporter.cs

@@ -626,7 +626,7 @@ public GLTFSceneExporter(Transform[] rootTransforms, ExportContext context)
 				Asset = new Asset
 				{
 					Version = "2.0",
-					Generator = "UnityGLTF"
+					Generator = settings.Generator
 				},
 				Buffers = new List<GLTFBuffer>(),
 				BufferViews = new List<BufferView>(),

Runtime/Scripts/GLTFSettings.cs

@@ -19,6 +19,44 @@ public class GLTFSettings : ScriptableObject
 	    private const string k_SettingsFileName = "UnityGLTFSettings.asset";
 	    public const string k_RuntimeAndEditorSettingsPath = "Assets/Resources/" + k_SettingsFileName;
 
+
+	    [SerializeField, HideInInspector]
+	    // Will be set on building in PackageVersionPreprocessBuild.cs
+	    internal string packageVersion = null;
+
+	    public string Generator { get => GetGenerator();}
+
+#if UNITY_EDITOR
+	    internal string GetUnityGltfVersion()
+	    {
+		    var packageInfo = UnityEditor.PackageManager.PackageInfo.FindForAssembly(Assembly.GetAssembly(typeof(GLTFSettings)));
+		    if (packageInfo != null)
+			    return packageInfo.version;
+		    return "";
+	    }
+#endif
+
+	    internal string GetGenerator()
+	    {
+		    string gltfVersion;
+#if UNITY_EDITOR
+		    gltfVersion = GetUnityGltfVersion();
+#else
+			gltfVersion = packageVersion;
+#endif
+		    var renderPipeline = "Built-in RP";
+		    var renderPipelineAsset =  UnityEngine.Rendering.GraphicsSettings.renderPipelineAsset;
+		    if (renderPipelineAsset)
+		    { 
+			    renderPipeline = renderPipelineAsset.GetType().Name;
+			    if (renderPipeline == "UniversalRenderPipelineAsset")
+				    renderPipeline = "URP";
+			    else if (renderPipeline == "HighDefinitionRenderPipelineAsset")
+				    renderPipeline = "HDRP";
+		    }
+		    return  $"UnityGltf {gltfVersion}, Unity {Application.unityVersion}, {renderPipeline}";
+	    }
+
 	    [Flags]
 	    public enum BlendShapeExportPropertyFlags
 	    {