glTF exporter: manage use_nla option to avoid exporting merged animations

io_scene_gltf2/__init__.py

@@ -4,7 +4,7 @@
 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": (3, 2, 29),
+    "version": (3, 2, 30),
     'blender': (3, 1, 0),
     'location': 'File > Import-Export',
     'description': 'Import-Export as glTF 2.0',

io_scene_gltf2/blender/exp/gltf2_blender_gather_animations.py

@@ -100,6 +100,11 @@ def gather_animations(  obj_uuid: int,
     if blender_object.animation_data:
         restore_tweak_mode = blender_object.animation_data.use_tweak_mode
 
+    # Remove use of NLA. Restore after export
+    if blender_object.animation_data:
+        current_use_nla = blender_object.animation_data.use_nla
+        blender_object.animation_data.use_nla = False
+
     # Export all collected actions.
     for blender_action, track_name, on_type in blender_actions:
 
@@ -143,6 +148,8 @@ def gather_animations(  obj_uuid: int,
         if solo_track is not None:
             solo_track.is_solo = True
         blender_object.animation_data.use_tweak_mode = restore_tweak_mode
+        blender_object.animation_data.use_nla = current_use_nla
+
     return animations, tracks