diff --git a/objects/o_dialog_preference/Create_0.gml b/objects/o_dialog_preference/Create_0.gml
index 38b5501a6..c71ab2ccb 100644
--- a/objects/o_dialog_preference/Create_0.gml
+++ b/objects/o_dialog_preference/Create_0.gml
@@ -180,6 +180,12 @@ event_inherited();
 			new checkBox(function() /*=>*/ { PREFERENCES.save_file_minify = !PREFERENCES.save_file_minify; PREF_SAVE(); })
 		));
 		
+		ds_list_add(pref_global, new __Panel_Linear_Setting_Item_Preference(
+			__txtx("pref_save_file_compress", "Compress save file"),
+			"save_compress",
+			new checkBox(function() /*=>*/ { PREFERENCES.save_compress = !PREFERENCES.save_compress; PREF_SAVE(); })
+		));
+		
 		ds_list_add(pref_global, new __Panel_Linear_Setting_Item_Preference(
 			__txtx("pref_save_backups", "Backup saves"),
 			"save_backup",
diff --git a/scripts/globals/globals.gml b/scripts/globals/globals.gml
index 378612c22..5b6688f70 100644
--- a/scripts/globals/globals.gml
+++ b/scripts/globals/globals.gml
@@ -44,7 +44,7 @@
 	LATEST_VERSION	= 1_18_00_0;
 	VERSION			= 1_18_04_0;
 	SAVE_VERSION	= 1_18_04_0;
-	VERSION_STRING  = MAC? "1.18.003m" : "1.18.5.003";
+	VERSION_STRING  = MAC? "1.18.003m" : "1.18.5.004";
 	BUILD_NUMBER	= 1_18_04_1;
 	
 	HOTKEYS			= ds_map_create();
diff --git a/scripts/load_function/load_function.gml b/scripts/load_function/load_function.gml
index 72ded6062..f15658725 100644
--- a/scripts/load_function/load_function.gml
+++ b/scripts/load_function/load_function.gml
@@ -126,16 +126,19 @@ function LOAD_AT(path, params = new __loadParams()) {
 	var _ext = filename_ext_raw(path);
 	var s;
 	
-	if(_ext == "pxc") {
-		var f = file_text_open_read(path);
-		s = file_text_read_all(f);
-		file_text_close(f);
+	var bf = buffer_load(path);
+	var bc = buffer_decompress(bf);
+	
+	if(bc == -1) {
+		s = buffer_read(bf, buffer_string);
 		
-	} else if(_ext == "cpxc") {
-		var b = buffer_decompress(buffer_load(path));
-		s = buffer_read(b, buffer_string);
+	} else {
+		s = buffer_read(bc, buffer_string);
+		buffer_delete(bc);
 	}
 	
+	buffer_delete(bf);
+	
 	_load_content = json_try_parse(s);
 	
 	printIf(log, $" > Load struct : {(get_timer() - t1) / 1000} ms"); t1 = get_timer();
diff --git a/scripts/node_data/node_data.gml b/scripts/node_data/node_data.gml
index 3d40a7ba4..0493b959c 100644
--- a/scripts/node_data/node_data.gml
+++ b/scripts/node_data/node_data.gml
@@ -2243,7 +2243,7 @@ function Node(_x, _y, _group = noone) : __Node_Base(_x, _y) constructor {
 		var _attr = attributeSerialize();
 		var attri = struct_append(variable_clone(attributes), _attr); 
 		
-		#region attribute stripping
+		#region attribute stripping // TODO : make it an array
 			if(struct_try_get(attri, "color_depth")         == 3)     struct_remove(attri, "color_depth");
 			if(struct_try_get(attri, "interpolate")         == 1)     struct_remove(attri, "interpolate");
 			if(struct_try_get(attri, "oversample")          == 1)     struct_remove(attri, "oversample");
diff --git a/scripts/node_value/node_value.gml b/scripts/node_value/node_value.gml
index 21fa2c3c8..234f2afb7 100644
--- a/scripts/node_value/node_value.gml
+++ b/scripts/node_value/node_value.gml
@@ -2201,12 +2201,8 @@ function NodeValue(_name, _node, _connect, _type, _value, _tooltip = "") constru
 		draw_line_shift_y = struct_try_get(_map, "shift_y",     0);
 		is_modified       = struct_try_get(_map, "is_modified", false);
 		
-		if(struct_has(_map, "attri")) {
-			var _lattr = _map.attri;
-			_lattr.mapped = struct_try_get(_lattr, "mapped", 0);
-			
-			struct_append(attri, _lattr);
-		}
+		if(struct_has(_map, "attri"))
+			struct_append(attributes, _map.attri);
 		
 		if(struct_has(_map, "linked")) 
 			display_data.linked = _map.linked;
diff --git a/scripts/preferences/preferences.gml b/scripts/preferences/preferences.gml
index 5dfd353b3..3e145a2ab 100644
--- a/scripts/preferences/preferences.gml
+++ b/scripts/preferences/preferences.gml
@@ -51,6 +51,7 @@
 		PREFERENCES.keyboard_double_delay			= 0.25;
 		
 		PREFERENCES.file_watcher_delay              = 0.1;
+		
 	#endregion
 	
 	#region ///////////////////////////////////////////////////////////////////////// DIALOG ////////////////////////////////////////////////////////////////////////
@@ -141,6 +142,7 @@
 		PREFERENCES.save_file_minify				= true;
 		PREFERENCES.save_backup						= 1;
 		PREFERENCES.save_layout						= false;
+		PREFERENCES.save_compress                   = true;
 	
 	#endregion
 	
diff --git a/scripts/save_function/save_function.gml b/scripts/save_function/save_function.gml
index 0eee279b7..0d3a05388 100644
--- a/scripts/save_function/save_function.gml
+++ b/scripts/save_function/save_function.gml
@@ -22,6 +22,7 @@ function SERIALIZE_PROJECT(project = PROJECT) {
 function SET_PATH(project, path) {
 	if(path == "") {
 		project.readonly = false;
+		
 	} else if(!project.readonly) {
 		ds_list_remove(RECENT_FILES, path);
 		ds_list_insert(RECENT_FILES, 0, path);
@@ -29,7 +30,6 @@ function SET_PATH(project, path) {
 			ds_list_delete(RECENT_FILES, ds_list_size(RECENT_FILES) - 1);
 		RECENT_SAVE();
 		RECENT_REFRESH();
-		//project.path = filename_name(path);
 	}
 	
 	project.path = path;
@@ -88,9 +88,10 @@ function SAVE_AT(project = PROJECT, path = "", log = "save at ") {
 	if(file_exists_empty(path)) file_delete(path);
 	var _ext = filename_ext_raw(path);
 	var _prj = SERIALIZE_PROJECT(project);
+	var _cmp = PREFERENCES.save_compress;
 	
-	     if(_ext == "pxc")  file_text_write_all(path, _prj);
-	else if(_ext == "cpxc") buffer_save(buffer_compress_string(_prj), path);
+    if(_cmp) buffer_save(buffer_compress_string(_prj), path);
+	else     file_text_write_all(path, _prj);
 	
 	SAVING = false;
 	project.readonly  = false;