glTF importer: restore setting extra to mesh custom properties

io_scene_gltf2/__init__.py

@@ -15,7 +15,7 @@
 bl_info = {
     'name': 'glTF 2.0 format',
     'author': 'Julien Duroure, Scurest, Norbert Nopper, Urs Hanselmann, Moritz Becher, Benjamin Schmithüsen, Jim Eckerlein, and many external contributors',
-    "version": (1, 4, 35),
+    "version": (1, 4, 36),
     'blender': (2, 91, 0),
     'location': 'File > Import-Export',
     'description': 'Import-Export as glTF 2.0',

io_scene_gltf2/blender/imp/gltf2_blender_mesh.py

@@ -48,6 +48,7 @@ def create_mesh(gltf, mesh_idx, skin_idx):
     try:
         tmp_ob = bpy.data.objects.new('##gltf-import:tmp-object##', mesh)
         do_primitives(gltf, mesh_idx, skin_idx, mesh, tmp_ob)
+        set_extras(mesh, gltf.data.meshes[mesh_idx].extras, exclude=['targetNames'])
 
     finally:
         if tmp_ob: