Merge branch 'blender-v4.3-release'

scripts/addons_core/io_scene_gltf2/__init__.py

@@ -5,7 +5,7 @@
 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": (4, 4, 4),
+    "version": (4, 4, 5),
     'blender': (4, 3, 0),
     'location': 'File > Import-Export',
     'description': 'Import-Export as glTF 2.0',

scripts/addons_core/io_scene_gltf2/blender/exp/primitives.py

@@ -315,7 +315,8 @@ def __gather_extensions(blender_mesh,
                 variant_extension = gltf2_io_extensions.ChildOfRootExtension(
                     name="KHR_materials_variants",
                     path=["variants"],
-                    extension=vari
+                    extension=vari,
+                    required=False
                 )
             variants.append(variant_extension)
         if len(variants) > 0:
@@ -348,7 +349,8 @@ def __gather_extensions(blender_mesh,
             name="KHR_materials_variants",
             extension={
                 "mappings": mapping
-            }
+            },
+            required=False
         )
 
     return extensions if extensions else None