Diff between OpenXR QR sample vs. WinRT QR sample in Unity

Sample/Assets/Scripts/SampleQRCodes.asmdef

@@ -3,7 +3,8 @@
     "rootNamespace": "",
     "references": [
         "Microsoft.MixedReality.Toolkit",
-        "Unity.XR.WindowsMixedReality"
+        "Unity.XR.WindowsMixedReality",
+        "Microsoft.MixedReality.OpenXR"
     ],
     "includePlatforms": [],
     "excludePlatforms": [],
@@ -17,6 +18,11 @@
             "name": "com.unity.xr.windowsmr",
             "expression": "1.0.0",
             "define": "UNITY_XR_WINDOWSMR"
+        },
+        {
+            "name": "com.microsoft.mixedreality.openxr",
+            "expression": "1.4.0",
+            "define": "MIXED_REALITY_OPENXR"
         }
     ],
     "noEngineReferences": false

Sample/Assets/Scripts/SpatialGraphNodeTracker.cs

@@ -4,7 +4,11 @@
 using UnityEngine;
 using Microsoft.MixedReality.Toolkit.Utilities;
 
+#if MIXED_REALITY_OPENXR
+using Microsoft.MixedReality.OpenXR;
+#else
 using SpatialGraphNode = Microsoft.MixedReality.SampleQRCodes.WindowsXR.SpatialGraphNode;
+#endif
 
 namespace Microsoft.MixedReality.SampleQRCodes
 {
@@ -24,7 +28,11 @@ void Update()
 
             if (node != null)
             {
+#if MIXED_REALITY_OPENXR
+                if (node.TryLocate(FrameTime.OnUpdate, out Pose pose))
+#else
                 if (node.TryLocate(out Pose pose))
+#endif
                 {
                     // If there is a parent to the camera that means we are using teleport and we should not apply the teleport
                     // to these objects so apply the inverse

Sample/Assets/XR/Loaders/Open XR Loader.asset

@@ -0,0 +1,14 @@
+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!114 &11400000
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 0}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: d3552e428dc7646a88de3ed3650f87da, type: 3}
+  m_Name: Open XR Loader
+  m_EditorClassIdentifier: