Fix missing arg name in bindings for GDExtension API

core/core_bind.cpp

@@ -1672,9 +1672,9 @@ void Directory::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("rename", "from", "to"), &Directory::rename);
 	ClassDB::bind_method(D_METHOD("remove", "path"), &Directory::remove);
 
-	ClassDB::bind_method(D_METHOD("set_include_navigational"), &Directory::set_include_navigational);
+	ClassDB::bind_method(D_METHOD("set_include_navigational", "enable"), &Directory::set_include_navigational);
 	ClassDB::bind_method(D_METHOD("get_include_navigational"), &Directory::get_include_navigational);
-	ClassDB::bind_method(D_METHOD("set_include_hidden"), &Directory::set_include_hidden);
+	ClassDB::bind_method(D_METHOD("set_include_hidden", "enable"), &Directory::set_include_hidden);
 	ClassDB::bind_method(D_METHOD("get_include_hidden"), &Directory::get_include_hidden);
 
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "include_navigational"), "set_include_navigational", "get_include_navigational");

scene/gui/option_button.cpp

@@ -359,8 +359,9 @@ void OptionButton::_bind_methods() {
 
 	ClassDB::bind_method(D_METHOD("get_popup"), &OptionButton::get_popup);
 
-	ClassDB::bind_method(D_METHOD("set_item_count"), &OptionButton::set_item_count);
+	ClassDB::bind_method(D_METHOD("set_item_count", "count"), &OptionButton::set_item_count);
 	ClassDB::bind_method(D_METHOD("get_item_count"), &OptionButton::get_item_count);
+
 	// "selected" property must come after "item_count", otherwise GH-10213 occurs.
 	ADD_ARRAY_COUNT("Items", "item_count", "set_item_count", "get_item_count", "popup/item_");
 	ADD_PROPERTY(PropertyInfo(Variant::INT, "selected"), "_select_int", "get_selected");

scene/gui/tab_bar.cpp

@@ -1188,7 +1188,7 @@ void TabBar::_get_property_list(List<PropertyInfo> *p_list) const {
 
 void TabBar::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("_update_hover"), &TabBar::_update_hover);
-	ClassDB::bind_method(D_METHOD("set_tab_count"), &TabBar::set_tab_count);
+	ClassDB::bind_method(D_METHOD("set_tab_count", "count"), &TabBar::set_tab_count);
 	ClassDB::bind_method(D_METHOD("get_tab_count"), &TabBar::get_tab_count);
 	ClassDB::bind_method(D_METHOD("set_current_tab", "tab_idx"), &TabBar::set_current_tab);
 	ClassDB::bind_method(D_METHOD("get_current_tab"), &TabBar::get_current_tab);