stdin.patch

diff --git i/src/3rdparty/assimp/src w/src/3rdparty/assimp/src
index 5967dee48..e21b73ab4 160000
--- i/src/3rdparty/assimp/src
+++ w/src/3rdparty/assimp/src
@@ -1 +1 @@
-Subproject commit 5967dee48b0b8ed32a41579559570e380462a1dd
+Subproject commit e21b73ab492fefb0cab229da75e385ba0befbffc
diff --git i/src/xr/quick3dxr/visionos/qquick3dxrmanager_visionos.mm w/src/xr/quick3dxr/visionos/qquick3dxrmanager_visionos.mm
index a02e35b11..fd75e8ce6 100644
--- i/src/xr/quick3dxr/visionos/qquick3dxrmanager_visionos.mm
+++ w/src/xr/quick3dxr/visionos/qquick3dxrmanager_visionos.mm
@@ -173,6 +173,8 @@ QQuick3DXrManagerPrivate::RenderState QQuick3DXrManagerPrivate::getRenderState()
         return RenderState::Paused;
 
     cp_layer_renderer_t renderer = layerRenderer();
+    if (!renderer)
+        return RenderState::Invalidated;
     switch (cp_layer_renderer_get_state(renderer)) {
         case cp_layer_renderer_state_paused:
             return RenderState::Paused;