UI: Do not save unchanged extension settings to settings.yaml

modules/extensions.py

@@ -19,9 +19,8 @@ def apply_settings(extension, name):
 
     for param in extension.params:
         _id = f"{name}-{param}"
-        if _id not in shared.settings:
-            continue
-
+        shared.default_settings[_id] = extension.params[param]
+        if _id in shared.settings:
             extension.params[param] = shared.settings[_id]
 
 
@@ -40,11 +39,15 @@ def load_extensions():
                     raise
 
                 extension = getattr(extensions, name).script
+
+                # Only run setup() and apply settings from settings.yaml once
+                if extension not in setup_called:
                     apply_settings(extension, name)
-                if extension not in setup_called and hasattr(extension, "setup"):
-                    setup_called.add(extension)
+                    if hasattr(extension, "setup"):
                         extension.setup()
 
+                    setup_called.add(extension)
+
                 state[name] = [True, i]
             except:
                 logger.error(f'Failed to load the extension "{name}".')

modules/ui.py

@@ -232,6 +232,8 @@ def save_settings(state, preset, extensions_list, show_controls, theme_state):
             params = getattr(extension, 'params')
             for param in params:
                 _id = f"{extension_name}-{param}"
+                # Only save if different from default value
+                if param not in shared.default_settings or params[param] != shared.default_settings[param]:
                     output[_id] = params[param]
 
     # Do not save unchanged settings