diff --git a/core/script_language.cpp b/core/script_language.cpp
index 1dab58e29eb..acbe3b34dbf 100644
--- a/core/script_language.cpp
+++ b/core/script_language.cpp
@@ -347,6 +347,20 @@ Variant::Type PlaceHolderScriptInstance::get_property_type(const StringName &p_n
 	return Variant::NIL;
 }
 
+void PlaceHolderScriptInstance::get_method_list(List<MethodInfo> *p_list) const {
+
+	if (script.is_valid()) {
+		script->get_script_method_list(p_list);
+	}
+}
+bool PlaceHolderScriptInstance::has_method(const StringName &p_method) const {
+
+	if (script.is_valid()) {
+		return script->has_method(p_method);
+	}
+	return false;
+}
+
 void PlaceHolderScriptInstance::update(const List<PropertyInfo> &p_properties, const Map<StringName, Variant> &p_values) {
 
 	Set<StringName> new_values;
diff --git a/core/script_language.h b/core/script_language.h
index ad66fc55283..e7748f93e21 100644
--- a/core/script_language.h
+++ b/core/script_language.h
@@ -304,8 +304,8 @@ public:
 	virtual void get_property_list(List<PropertyInfo> *p_properties) const;
 	virtual Variant::Type get_property_type(const StringName &p_name, bool *r_is_valid = NULL) const;
 
-	virtual void get_method_list(List<MethodInfo> *p_list) const {}
-	virtual bool has_method(const StringName &p_method) const { return false; }
+	virtual void get_method_list(List<MethodInfo> *p_list) const;
+	virtual bool has_method(const StringName &p_method) const;
 	virtual Variant call(const StringName &p_method, VARIANT_ARG_LIST) { return Variant(); }
 	virtual Variant call(const StringName &p_method, const Variant **p_args, int p_argcount, Variant::CallError &r_error) {
 		r_error.error = Variant::CallError::CALL_ERROR_INVALID_METHOD;
diff --git a/editor/import/resource_importer_obj.cpp b/editor/import/resource_importer_obj.cpp
index 21803a2184b..b8dd4a87b79 100644
--- a/editor/import/resource_importer_obj.cpp
+++ b/editor/import/resource_importer_obj.cpp
@@ -188,7 +188,7 @@ static Error _parse_material_library(const String &p_path, Map<String, Ref<Spati
 	return OK;
 }
 
-static Error _parse_obj(const String &p_path, List<Ref<Mesh> > &r_meshes, bool p_single_mesh, bool p_generate_tangents, Vector3 p_scale_mesh, List<String> *r_missing_deps) {
+static Error _parse_obj(const String &p_path, List<Ref<Mesh> > &r_meshes, bool p_single_mesh, bool p_generate_tangents, bool p_optimize, Vector3 p_scale_mesh, List<String> *r_missing_deps) {
 
 	FileAccessRef f = FileAccess::open(p_path, FileAccess::READ);
 
@@ -200,6 +200,8 @@ static Error _parse_obj(const String &p_path, List<Ref<Mesh> > &r_meshes, bool p
 	bool generate_tangents = p_generate_tangents;
 	Vector3 scale_mesh = p_scale_mesh;
 	bool flip_faces = false;
+	int mesh_flags = p_optimize ? Mesh::ARRAY_COMPRESS_DEFAULT : 0;
+
 	//bool flip_faces = p_options["force/flip_faces"];
 	//bool force_smooth = p_options["force/smooth_shading"];
 	//bool weld_vertices = p_options["force/weld_vertices"];
@@ -331,7 +333,7 @@ static Error _parse_obj(const String &p_path, List<Ref<Mesh> > &r_meshes, bool p
 					surf_tool->set_material(material_map[current_material_library][current_material]);
 				}
 
-				mesh = surf_tool->commit(mesh);
+				mesh = surf_tool->commit(mesh, mesh_flags);
 
 				if (current_material != String()) {
 					mesh->surface_set_name(mesh->get_surface_count() - 1, current_material.get_basename());
@@ -402,7 +404,7 @@ Node *EditorOBJImporter::import_scene(const String &p_path, uint32_t p_flags, in
 
 	List<Ref<Mesh> > meshes;
 
-	Error err = _parse_obj(p_path, meshes, false, p_flags & IMPORT_GENERATE_TANGENT_ARRAYS, Vector3(1, 1, 1), r_missing_deps);
+	Error err = _parse_obj(p_path, meshes, false, p_flags & IMPORT_GENERATE_TANGENT_ARRAYS, p_flags & IMPORT_USE_COMPRESSION, Vector3(1, 1, 1), r_missing_deps);
 
 	if (err != OK) {
 		if (r_err) {
@@ -470,6 +472,7 @@ void ResourceImporterOBJ::get_import_options(List<ImportOption> *r_options, int
 
 	r_options->push_back(ImportOption(PropertyInfo(Variant::BOOL, "generate_tangents"), true));
 	r_options->push_back(ImportOption(PropertyInfo(Variant::VECTOR3, "scale_mesh"), Vector3(1, 1, 1)));
+	r_options->push_back(ImportOption(PropertyInfo(Variant::BOOL, "optimize_mesh"), true));
 }
 bool ResourceImporterOBJ::get_option_visibility(const String &p_option, const Map<StringName, Variant> &p_options) const {
 
@@ -480,7 +483,7 @@ Error ResourceImporterOBJ::import(const String &p_source_file, const String &p_s
 
 	List<Ref<Mesh> > meshes;
 
-	Error err = _parse_obj(p_source_file, meshes, true, p_options["generate_tangents"], p_options["scale_mesh"], NULL);
+	Error err = _parse_obj(p_source_file, meshes, true, p_options["generate_tangents"], p_options["optimize_mesh"], p_options["scale_mesh"], NULL);
 
 	ERR_FAIL_COND_V(err != OK, err);
 	ERR_FAIL_COND_V(meshes.size() != 1, ERR_BUG);
diff --git a/scene/animation/root_motion_view.cpp b/scene/animation/root_motion_view.cpp
index 84439957205..a28c63064af 100644
--- a/scene/animation/root_motion_view.cpp
+++ b/scene/animation/root_motion_view.cpp
@@ -37,6 +37,14 @@ float RootMotionView::get_radius() const {
 	return radius;
 }
 
+void RootMotionView::set_zero_y(bool p_zero_y) {
+	zero_y = p_zero_y;
+}
+
+bool RootMotionView::get_zero_y() const {
+	return zero_y;
+}
+
 void RootMotionView::_notification(int p_what) {
 
 	if (p_what == NOTIFICATION_ENTER_TREE) {
@@ -77,9 +85,11 @@ void RootMotionView::_notification(int p_what) {
 		transform.orthonormalize(); //dont want scale, too imprecise
 		transform.affine_invert();
 
-		accumulated = accumulated * transform;
+		accumulated = transform * accumulated;
 		accumulated.origin.x = Math::fposmod(accumulated.origin.x, cell_size);
-		accumulated.origin.y = Math::fposmod(accumulated.origin.y, cell_size);
+		if (zero_y) {
+			accumulated.origin.y = 0;
+		}
 		accumulated.origin.z = Math::fposmod(accumulated.origin.z, cell_size);
 
 		VS::get_singleton()->immediate_clear(immediate);
@@ -142,13 +152,18 @@ void RootMotionView::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("set_radius", "size"), &RootMotionView::set_radius);
 	ClassDB::bind_method(D_METHOD("get_radius"), &RootMotionView::get_radius);
 
+	ClassDB::bind_method(D_METHOD("set_zero_y", "enable"), &RootMotionView::set_zero_y);
+	ClassDB::bind_method(D_METHOD("get_zero_y"), &RootMotionView::get_zero_y);
+
 	ADD_PROPERTY(PropertyInfo(Variant::NODE_PATH, "animation_path", PROPERTY_HINT_NODE_PATH_VALID_TYPES, "AnimationTree"), "set_animation_path", "get_animation_path");
 	ADD_PROPERTY(PropertyInfo(Variant::COLOR, "color"), "set_color", "get_color");
 	ADD_PROPERTY(PropertyInfo(Variant::REAL, "cell_size", PROPERTY_HINT_RANGE, "0.1,16,0.01,or_greater"), "set_cell_size", "get_cell_size");
 	ADD_PROPERTY(PropertyInfo(Variant::REAL, "radius", PROPERTY_HINT_RANGE, "0.1,16,0.01,or_greater"), "set_radius", "get_radius");
+	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "zero_y"), "set_zero_y", "get_zero_y");
 }
 
 RootMotionView::RootMotionView() {
+	zero_y = true;
 	radius = 10;
 	cell_size = 1;
 	set_process_internal(true);
diff --git a/scene/animation/root_motion_view.h b/scene/animation/root_motion_view.h
index 65e9ff480b9..611183d364f 100644
--- a/scene/animation/root_motion_view.h
+++ b/scene/animation/root_motion_view.h
@@ -13,6 +13,7 @@ public:
 	bool use_in_game;
 	Color color;
 	bool first;
+	bool zero_y;
 
 	Transform accumulated;
 
@@ -33,6 +34,9 @@ public:
 	void set_radius(float p_radius);
 	float get_radius() const;
 
+	void set_zero_y(bool p_zero_y);
+	bool get_zero_y() const;
+
 	virtual AABB get_aabb() const;
 	virtual PoolVector<Face3> get_faces(uint32_t p_usage_flags) const;