diff --git a/tools/bevy_components/registry/operators.py b/tools/bevy_components/registry/operators.py
index 3c6d230..10891d6 100644
--- a/tools/bevy_components/registry/operators.py
+++ b/tools/bevy_components/registry/operators.py
@@ -42,11 +42,26 @@ class COMPONENTS_OT_REFRESH_CUSTOM_PROPERTIES_ALL(Operator):
     bl_label = "Apply Registry to all objects"
     bl_options = {"UNDO"}
 
+    @classmethod
+    def register(cls):
+        bpy.types.WindowManager.custom_properties_from_components_progress_all = bpy.props.FloatProperty(default=-1.0) #bpy.props.PointerProperty(type=RenameHelper)
+
+    @classmethod
+    def unregister(cls):
+        del bpy.types.WindowManager.custom_properties_from_components_progress_all
+
     def execute(self, context):
         print("apply registry to all")
         #context.window_manager.components_registry.load_schema()
-        for object in bpy.data.objects:
+        total = len(bpy.data.objects)
+
+        for index, object in enumerate(bpy.data.objects):
             apply_propertyGroup_values_to_object_customProperties(object)
+            progress = index / total
+            context.window_manager.custom_properties_from_components_progress_all = progress
+            # now force refresh the ui
+            bpy.ops.wm.redraw_timer(type='DRAW_WIN_SWAP', iterations=1)
+        context.window_manager.custom_properties_from_components_progress_all = -1.0
 
         return {'FINISHED'}
     
@@ -56,10 +71,23 @@ class COMPONENTS_OT_REFRESH_CUSTOM_PROPERTIES_CURRENT(Operator):
     bl_label = "Apply Registry to current object"
     bl_options = {"UNDO"}
 
+    @classmethod
+    def register(cls):
+        bpy.types.WindowManager.custom_properties_from_components_progress = bpy.props.FloatProperty(default=-1.0) #bpy.props.PointerProperty(type=RenameHelper)
+
+    @classmethod
+    def unregister(cls):
+        del bpy.types.WindowManager.custom_properties_from_components_progress
+
     def execute(self, context):
         print("apply registry to current object")
         object = context.object
+        context.window_manager.custom_properties_from_components_progress = 0.5
+        # now force refresh the ui
+        bpy.ops.wm.redraw_timer(type='DRAW_WIN_SWAP', iterations=1)
         apply_propertyGroup_values_to_object_customProperties(object)
+
+        context.window_manager.custom_properties_from_components_progress = -1.0
         return {'FINISHED'}
     
 
@@ -69,44 +97,77 @@ class COMPONENTS_OT_REFRESH_PROPGROUPS_FROM_CUSTOM_PROPERTIES_CURRENT(Operator):
     bl_label = "Apply custom_properties to current object"
     bl_options = {"UNDO"}
 
+    @classmethod
+    def register(cls):
+        bpy.types.WindowManager.components_from_custom_properties_progress = bpy.props.FloatProperty(default=-1.0) #bpy.props.PointerProperty(type=RenameHelper)
+
+    @classmethod
+    def unregister(cls):
+        del bpy.types.WindowManager.components_from_custom_properties_progress
+
     def execute(self, context):
         print("apply custom properties to current object")
         object = context.object
         error = False
         try:
             apply_customProperty_values_to_object_propertyGroups(object)
+            progress = 0.5
+            context.window_manager.components_from_custom_properties_progress = progress
+            # now force refresh the ui
+            bpy.ops.wm.redraw_timer(type='DRAW_WIN_SWAP', iterations=1)
+
         except Exception as error:
             del object["__disable__update"] # make sure custom properties are updateable afterwards, even in the case of failure
             error = True
             self.report({'ERROR'}, "Failed to update propertyGroup values from custom property: Error:" + str(error))
         if not error:
             self.report({'INFO'}, "Sucessfully generated UI values for custom properties for selected object")
+        context.window_manager.components_from_custom_properties_progress = -1.0
 
         return {'FINISHED'}
     
+
 class COMPONENTS_OT_REFRESH_PROPGROUPS_FROM_CUSTOM_PROPERTIES_ALL(Operator):
     """Update UI values from custom properties to ALL object"""
     bl_idname = "object.refresh_ui_from_custom_properties_all"
     bl_label = "Apply custom_properties to all objects"
     bl_options = {"UNDO"}
 
+    @classmethod
+    def register(cls):
+        bpy.types.WindowManager.components_from_custom_properties_progress_all = bpy.props.FloatProperty(default=-1.0) #bpy.props.PointerProperty(type=RenameHelper)
+
+    @classmethod
+    def unregister(cls):
+        del bpy.types.WindowManager.components_from_custom_properties_progress_all
+
     def execute(self, context):
         print("apply custom properties to all object")
         bpy.context.window_manager.components_registry.disable_all_object_updates = True
         errors = []
-        for object in bpy.data.objects:
+        total = len(bpy.data.objects)
+
+        for index, object in enumerate(bpy.data.objects):
+          
             try:
                 apply_customProperty_values_to_object_propertyGroups(object)
             except Exception as error:
                 del object["__disable__update"] # make sure custom properties are updateable afterwards, even in the case of failure
                 errors.append( "object: '" + object.name + "', error: " + str(error))
+
+            progress = index / total
+            context.window_manager.components_from_custom_properties_progress_all = progress
+            # now force refresh the ui
+            bpy.ops.wm.redraw_timer(type='DRAW_WIN_SWAP', iterations=1)
+
+
+
         if len(errors) > 0:
             self.report({'ERROR'}, "Failed to update propertyGroup values from custom property: Errors:" + str(errors))
         else: 
             self.report({'INFO'}, "Sucessfully generated UI values for custom properties for all objects")
         bpy.context.window_manager.components_registry.disable_all_object_updates = False
-
-
+        context.window_manager.components_from_custom_properties_progress_all = -1.0
         return {'FINISHED'}
 
 class OT_OpenFilebrowser(Operator, ImportHelper):
diff --git a/tools/bevy_components/registry/ui.py b/tools/bevy_components/registry/ui.py
index 0f9828a..7e24e73 100644
--- a/tools/bevy_components/registry/ui.py
+++ b/tools/bevy_components/registry/ui.py
@@ -169,27 +169,54 @@ class BEVY_COMPONENTS_PT_AdvancedToolsPanel(bpy.types.Panel):
         row.label(text="WARNING ! The following operations will overwrite your existing custom properties if they have matching types on the bevy side !")
         row.alert = True
 
+        ##
         row = layout.row()
-        row.operator(COMPONENTS_OT_REFRESH_CUSTOM_PROPERTIES_CURRENT.bl_idname, text="update custom properties of current object" , icon="LOOP_FORWARDS")
-        row.enabled = registry_has_type_infos and selected_object is not None
+        custom_properties_from_components_progress_current = context.window_manager.custom_properties_from_components_progress
+
+        if custom_properties_from_components_progress_current == -1.0:
+            row.operator(COMPONENTS_OT_REFRESH_CUSTOM_PROPERTIES_CURRENT.bl_idname, text="update custom properties of current object" , icon="LOOP_FORWARDS")
+            row.enabled = registry_has_type_infos and selected_object is not None
+        else:
+            if hasattr(layout,"progress") : # only for Blender > 4.0
+                layout.progress(factor = custom_properties_from_components_progress_current, text=f"updating {custom_properties_from_components_progress_current * 100.0:.2f}%")
 
         layout.separator()
         row = layout.row()
-        row.operator(COMPONENTS_OT_REFRESH_CUSTOM_PROPERTIES_ALL.bl_idname, text="update custom properties of ALL objects" , icon="LOOP_FORWARDS")
-        row.enabled = registry_has_type_infos
+        custom_properties_from_components_progress_all = context.window_manager.custom_properties_from_components_progress_all
+
+        if custom_properties_from_components_progress_all == -1.0:
+            row.operator(COMPONENTS_OT_REFRESH_CUSTOM_PROPERTIES_ALL.bl_idname, text="update custom properties of ALL objects" , icon="LOOP_FORWARDS")
+            row.enabled = registry_has_type_infos
+        else:
+            if hasattr(layout,"progress") : # only for Blender > 4.0
+                layout.progress(factor = custom_properties_from_components_progress_all, text=f"updating {custom_properties_from_components_progress_all * 100.0:.2f}%")
+
+        ########################
 
         row = layout.row()
         row.label(text="WARNING ! The following operations will try to overwrite your existing ui values if they have matching types on the bevy side !")
         row.alert = True
 
+        components_from_custom_properties_progress_current = context.window_manager.components_from_custom_properties_progress
+
         row = layout.row()
-        row.operator(COMPONENTS_OT_REFRESH_PROPGROUPS_FROM_CUSTOM_PROPERTIES_CURRENT.bl_idname, text="update UI FROM custom properties of current object" , icon="LOOP_BACK")
-        row.enabled = registry_has_type_infos and selected_object is not None
+        if components_from_custom_properties_progress_current == -1.0:
+            row.operator(COMPONENTS_OT_REFRESH_PROPGROUPS_FROM_CUSTOM_PROPERTIES_CURRENT.bl_idname, text="update UI FROM custom properties of current object" , icon="LOOP_BACK")
+            row.enabled = registry_has_type_infos and selected_object is not None
+        else:
+            if hasattr(layout,"progress") : # only for Blender > 4.0
+                layout.progress(factor = components_from_custom_properties_progress_current, text=f"updating {components_from_custom_properties_progress_current * 100.0:.2f}%")
 
         layout.separator()
         row = layout.row()
-        row.operator(COMPONENTS_OT_REFRESH_PROPGROUPS_FROM_CUSTOM_PROPERTIES_ALL.bl_idname, text="update UI FROM custom properties of ALL objects" , icon="LOOP_BACK")
-        row.enabled = registry_has_type_infos
+        components_from_custom_properties_progress_all = context.window_manager.components_from_custom_properties_progress_all
+
+        if components_from_custom_properties_progress_all == -1.0:
+            row.operator(COMPONENTS_OT_REFRESH_PROPGROUPS_FROM_CUSTOM_PROPERTIES_ALL.bl_idname, text="update UI FROM custom properties of ALL objects" , icon="LOOP_BACK")
+            row.enabled = registry_has_type_infos
+        else:
+            if hasattr(layout,"progress") : # only for Blender > 4.0
+                layout.progress(factor = components_from_custom_properties_progress_all, text=f"updating {components_from_custom_properties_progress_all * 100.0:.2f}%")
 
 
 class BEVY_COMPONENTS_PT_MissingTypesPanel(bpy.types.Panel):