diff --git a/addons/io_scene_swbf_msh/__init__.py b/addons/io_scene_swbf_msh/__init__.py
index 02c376c..bba9277 100644
--- a/addons/io_scene_swbf_msh/__init__.py
+++ b/addons/io_scene_swbf_msh/__init__.py
@@ -2,7 +2,7 @@ bl_info = {
     'name': 'SWBF .msh Import-Export',
     'author': 'Will Snyder, PrismaticFlower',
     "version": (1, 3, 3),
-    'blender': (3, 0, 0),
+    'blender': (4, 3, 2),
     'location': 'File > Import-Export',
     'description': 'Export as SWBF .msh file',
     'warning': '',
@@ -261,4 +261,4 @@ def unregister():
 
 
 if __name__ == "__main__":
-    register()
+    register()
\ No newline at end of file
diff --git a/addons/io_scene_swbf_msh/msh_anim_to_blend.py b/addons/io_scene_swbf_msh/msh_anim_to_blend.py
index 79732ef..2e01bae 100644
--- a/addons/io_scene_swbf_msh/msh_anim_to_blend.py
+++ b/addons/io_scene_swbf_msh/msh_anim_to_blend.py
@@ -107,4 +107,4 @@ def extract_and_apply_anim(filename : str, scene : Scene):
 
         arma.animation_data.action = action
         track = arma.animation_data.nla_tracks.new()
-        track.strips.new(action.name, action.frame_range[0], action)
+        track.strips.new(action.name, int(action.frame_range[0]), action)
\ No newline at end of file
diff --git a/addons/io_scene_swbf_msh/msh_mesh_to_blend.py b/addons/io_scene_swbf_msh/msh_mesh_to_blend.py
index 08e2bfc..52067e1 100644
--- a/addons/io_scene_swbf_msh/msh_mesh_to_blend.py
+++ b/addons/io_scene_swbf_msh/msh_mesh_to_blend.py
@@ -128,7 +128,6 @@ def model_to_mesh_object(model: Model, scene : Scene, materials_map : Dict[str,
         blender_mesh.loops.foreach_set("vertex_index", flat_indices)
 
         # Normals
-        blender_mesh.create_normals_split()
         blender_mesh.loops.foreach_set("normal", [component for i in flat_indices for component in vertex_normals[i]])
 
         # UVs
@@ -175,7 +174,6 @@ def model_to_mesh_object(model: Model, scene : Scene, materials_map : Dict[str,
         reset_normals = [0.0] * (len(blender_mesh.loops) * 3)
         blender_mesh.loops.foreach_get("normal", reset_normals)
         blender_mesh.normals_split_custom_set(tuple(zip(*(iter(reset_normals),) * 3)))
-        blender_mesh.use_auto_smooth = True
 
 
     blender_mesh_object = bpy.data.objects.new(model.name, blender_mesh)
@@ -198,4 +196,3 @@ def model_to_mesh_object(model: Model, scene : Scene, materials_map : Dict[str,
 
 
     return blender_mesh_object
-