diff --git a/scripts/array_functions/array_functions.gml b/scripts/array_functions/array_functions.gml
index 91f8e9bed..b79bc1d8b 100644
--- a/scripts/array_functions/array_functions.gml
+++ b/scripts/array_functions/array_functions.gml
@@ -57,12 +57,17 @@ function array_safe_get(arr, index, def = 0, overflow = ARRAY_OVERFLOW._default)
 }
 
 function array_push_create(arr, val) {
+	gml_pragma("forceinline");
+	
 	if(!is_array(arr)) return [ val ];
 	array_push(arr, val);
 	return arr;
 }
 
 function array_get_decimal(arr, index, color = false) {
+	gml_pragma("forceinline");
+	
+	if(!is_array(arr)) return 0;
 	if(frac(index) == 0) return array_safe_get(arr, index);
 	
 	var v0 = array_safe_get(arr, floor(index));
@@ -77,6 +82,7 @@ function array_exists(arr, val) {
 	gml_pragma("forceinline");
 	self.__temp_val = val;
 	
+	if(!is_array(arr)) return false;
 	return array_any(arr, function(_val, _ind) {
 		return isEqual(_val, self.__temp_val);
 	});
@@ -84,53 +90,70 @@ function array_exists(arr, val) {
 
 function array_empty(arr) {
 	gml_pragma("forceinline");
-	return array_length(arr) == 0;
+	return is_array(arr) && array_length(arr) == 0;
 }
 
 function array_find(arr, val) {
 	gml_pragma("forceinline");
 	self.__temp_val = val;
 	
+	if(!is_array(arr)) return -1;
 	return array_find_index(arr, function(_val, _ind) {
 		return isEqual(_val, self.__temp_val);
 	});
 }
 
 function array_remove(arr, val) {
+	gml_pragma("forceinline");
+	
+	if(!is_array(arr)) return;
 	if(!array_exists(arr, val)) return;
 	var ind = array_find(arr, val);
 	array_delete(arr, ind, 1);
 }
 
 function array_push_unique(arr, val) {
+	gml_pragma("forceinline");
+	
+	if(!is_array(arr)) return;
 	if(array_exists(arr, val)) return;
 	array_push(arr, val);
 }
 
 
 function array_insert_unique(arr, ind, val) {
+	gml_pragma("forceinline");
+	
+	if(!is_array(arr)) return;
 	if(array_exists(arr, val)) return;
 	array_insert(arr, ind, val);
 }
 
 function array_append(arr, arr0) {
+	gml_pragma("forceinline");
+	
+	if(!is_array(arr))  return arr;
+	if(!is_array(arr0)) return arr;
+	
 	for( var i = 0, n = array_length(arr0); i < n; i++ )
 		array_push(arr, arr0[i]);
 	return arr;
 }
 
 function array_merge() {
+	gml_pragma("forceinline");
+	
 	var arr = [];
-	for( var i = 0; i < argument_count; i++ ) {
+	for( var i = 0; i < argument_count; i++ )
 		array_append(arr, argument[i]);
-	}
 	
 	return arr;
 }
 
 function array_clone(arr) {
-	if(!is_array(arr))
-		return arr;
+	gml_pragma("forceinline");
+	
+	if(!is_array(arr)) return arr;
 	
 	var _res = [];
 	 for( var i = 0, n = array_length(arr); i < n; i++ )
@@ -139,24 +162,30 @@ function array_clone(arr) {
 }
 
 function array_min(arr) {
-	if(array_length(arr) == 0) return 0;
+	gml_pragma("forceinline");
+	
+	if(!is_array(arr) || array_length(arr) == 0) return 0;
 	
 	var mn = arr[0];
-	 for( var i = 0, n = array_length(arr); i < n; i++ )
-		 mn = min(mn, arr[i]);
-	 return mn;
+	for( var i = 0, n = array_length(arr); i < n; i++ )
+		mn = min(mn, arr[i]);
+	return mn;
 }
 
 function array_max(arr) {
-	if(array_length(arr) == 0) return 0;
+	gml_pragma("forceinline");
+	
+	if(!is_array(arr) || array_length(arr) == 0) return 0;
 	
 	var mx = arr[0];
-	 for( var i = 0, n = array_length(arr); i < n; i++ )
-		 mx = max(mx, arr[i]);
-	 return mx;
+	for( var i = 0, n = array_length(arr); i < n; i++ )
+		mx = max(mx, arr[i]);
+	return mx;
 }
 
 function array_get_dimension(arr) {
+	gml_pragma("forceinline");
+	
 	return is_array(arr)? array_length(arr) : 1;
 }
 
diff --git a/scripts/buffer_functions/buffer_functions.gml b/scripts/buffer_functions/buffer_functions.gml
index 46f85f0ad..79955ac5a 100644
--- a/scripts/buffer_functions/buffer_functions.gml
+++ b/scripts/buffer_functions/buffer_functions.gml
@@ -5,10 +5,10 @@ function buffer_get_color(buffer, _x, _y, w, h) {
 	return c;
 }
 
-function buffer_get_string(buffer, text = true) {
+function buffer_get_string(buffer, text = true, limit = 400) {
 	buffer_seek(buffer, buffer_seek_start, 0);
-	var len = buffer_get_size(buffer);
-    var ss = "";
+	var len = min(limit, buffer_get_size(buffer));
+    var ss  = "";
     
     for (var i = 0; i < len; i++) {
 		var _r = buffer_read(buffer, buffer_u8);
diff --git a/scripts/draw_tooltip/draw_tooltip.gml b/scripts/draw_tooltip/draw_tooltip.gml
index 1e39b1e25..d1b5e1b64 100644
--- a/scripts/draw_tooltip/draw_tooltip.gml
+++ b/scripts/draw_tooltip/draw_tooltip.gml
@@ -163,7 +163,7 @@ function draw_tooltip_atlas(atlas) {
 }
 
 function draw_tooltip_buffer(buff) {
-	var txt = buffer_get_string(buff, false);
+	var txt = buffer_get_string(buff, false, 400);
 	var len = string_length(txt);
 	
 	if(len > 400) txt = string_copy(txt, 1, 400);
diff --git a/scripts/globals/globals.gml b/scripts/globals/globals.gml
index 426da8082..530035a4a 100644
--- a/scripts/globals/globals.gml
+++ b/scripts/globals/globals.gml
@@ -92,10 +92,10 @@
 	
 	globalvar VERSION, SAVE_VERSION, VERSION_STRING, BUILD_NUMBER;
 	
-	VERSION			= 11470;
+	VERSION			= 11471;
 	SAVE_VERSION	= 11470;
-	VERSION_STRING  = "1.14.7";
-	BUILD_NUMBER	= 11470;
+	VERSION_STRING  = "1.14.7.1";
+	BUILD_NUMBER	= 11471;
 	
 	globalvar APPEND_MAP;
 	APPEND_MAP      = ds_map_create();
@@ -233,6 +233,4 @@
 
 #region debug
 	global.FLAG = {};
-	
-	global.FLAG.expression_debug = false;
 #endregion
\ No newline at end of file
diff --git a/scripts/node_canvas/node_canvas.gml b/scripts/node_canvas/node_canvas.gml
index 1890c6ccf..b8cc8907f 100644
--- a/scripts/node_canvas/node_canvas.gml
+++ b/scripts/node_canvas/node_canvas.gml
@@ -112,11 +112,11 @@ function Node_Canvas(_x, _y, _group = noone) : Node(_x, _y, _group) constructor
 		var _dim = inputs[|  0].getValue();
 		var cDep = attrDepth();
 		
-		if(!is_surface(canvas_surface))
+		if(!is_surface(canvas_surface)) {
 			canvas_surface = surface_create_from_buffer(_dim[0], _dim[1], canvas_buffer);
-		else if(surface_get_width(canvas_surface) != _dim[0] || surface_get_height(canvas_surface) != _dim[1]) {
+		} else if(surface_get_width(canvas_surface) != _dim[0] || surface_get_height(canvas_surface) != _dim[1]) {
 			buffer_delete(canvas_buffer);
-			canvas_buffer = buffer_create(_dim[0] * _dim[1] * 4, buffer_fixed, 4);
+			canvas_buffer  = buffer_create(_dim[0] * _dim[1] * 4, buffer_fixed, 4);
 			canvas_surface = surface_size_to(canvas_surface, _dim[0], _dim[1]);
 		}
 		
diff --git a/scripts/node_value/node_value.gml b/scripts/node_value/node_value.gml
index 95ed160e5..1fe2989a5 100644
--- a/scripts/node_value/node_value.gml
+++ b/scripts/node_value/node_value.gml
@@ -1053,7 +1053,7 @@ function NodeValue(_name, _node, _connect, _type, _value, _tooltip = "") constru
 		cache_value[0] = false;
 	}
 	
-	static getValue = function(_time = PROJECT.animator.current_frame, applyUnit = true, arrIndex = 0, useCache = true) {
+	static getValue = function(_time = PROJECT.animator.current_frame, applyUnit = true, arrIndex = 0, useCache = false) {
 		if(type == VALUE_TYPE.trigger)
 			useCache = false;
 			
@@ -1064,6 +1064,7 @@ function NodeValue(_name, _node, _connect, _type, _value, _tooltip = "") constru
 			cache_hit &= cache_value[2] != undefined;
 			cache_hit &= connect_type == JUNCTION_CONNECT.input;
 			cache_hit &= unit.reference == noone || unit.mode == VALUE_UNIT.constant;
+			cache_hit &= !expUse;
 			
 			if(cache_hit) {
 				global.cache_hit++;
@@ -1161,10 +1162,11 @@ function NodeValue(_name, _node, _connect, _type, _value, _tooltip = "") constru
 			//print($"========== EXPRESSION CALLED ==========");
 			//print(debug_get_callstack(8));
 			
-			//printIf(global.FLAG.expression_debug, "==================== EVAL BEGIN ====================");
 			if(global.EVALUATE_HEAD != noone && global.EVALUATE_HEAD == self)  {
 				//noti_warning($"Expression evaluation error : recursive call detected.");
 			} else {
+				printIf(global.LOG_EXPRESSION, "==================== EVAL BEGIN {expTree} ====================");
+				
 				global.EVALUATE_HEAD = self;
 				var params = { 
 					name: name,
diff --git a/scripts/string_eval/string_eval.gml b/scripts/string_eval/string_eval.gml
index f4d197c4d..a8f8334e8 100644
--- a/scripts/string_eval/string_eval.gml
+++ b/scripts/string_eval/string_eval.gml
@@ -1,4 +1,6 @@
 #region data
+	global.LOG_EXPRESSION = false;
+	
 	global.EVALUATE_HEAD = noone;
 
 	global.EQUATION_PRES = ds_map_create();
@@ -162,7 +164,7 @@ function functionStringClean(fx) {
 			if(condition == noone) return 0;
 			
 			var res = condition.eval(params);
-			printIf(global.FLAG.expression_debug, $"<<<<<< IF {res} >>>>>>");
+			printIf(global.LOG_EXPRESSION, $"<<<<<< IF {res} >>>>>>");
 			
 			if(res) return if_true == noone? 0  : if_true.eval(params);
 			else    return if_false == noone? 0 : if_false.eval(params);
@@ -210,16 +212,16 @@ function functionStringClean(fx) {
 		static eval = function(params = {}) {
 			if(itr_array) {
 				var _arr = cond_arr.eval(params);
-				printIf(global.FLAG.expression_debug, $"<<<<<< FOR EACH {_arr} >>>>>>");
+				printIf(global.LOG_EXPRESSION, $"<<<<<< FOR EACH {_arr} >>>>>>");
 				for( var i = 0, n = array_length(_arr); i < n; i++ ) {
 					var val = _arr[i];
 					params[$ cond_iter] = val;
 					
-					printIf(global.FLAG.expression_debug, $"<< ITER {i}: {cond_iter} = {val} >>");
+					printIf(global.LOG_EXPRESSION, $"<< ITER {i}: {cond_iter} = {val} >>");
 					action.eval(params);
 				}
 			} else {
-				printIf(global.FLAG.expression_debug, "<< FOR >>");
+				printIf(global.LOG_EXPRESSION, "<< FOR >>");
 				cond_init.eval(params);
 				
 				while(cond_term.eval(params)) {
@@ -252,7 +254,7 @@ function functionStringClean(fx) {
 			
 			if(is_string(val)) val = string_trim(val);
 			
-			//printIf(global.FLAG.expression_debug, $"    [ get struct {params}[{val}] ]");
+			//printIf(global.LOG_EXPRESSION, $"    [ get struct {params}[{val}] ]");
 			
 			if(struct_has(params, val))
 				return struct_try_get(params, val);
@@ -337,8 +339,8 @@ function functionStringClean(fx) {
 					_l[i] = getVal(l[i], params);
 					
 				var res = _ev(_l);
-				printIf(global.FLAG.expression_debug, $"Function {symbol}{_l} = {res}");
-				printIf(global.FLAG.expression_debug, "====================");
+				printIf(global.LOG_EXPRESSION, $"Function {symbol}{_l} = {res}");
+				printIf(global.LOG_EXPRESSION, "====================");
 				
 				return res;
 			}
@@ -382,11 +384,11 @@ function functionStringClean(fx) {
 			} else 
 				res = eval_real(v1, v2);
 			
-			printIf(global.FLAG.expression_debug, $"|{v1}|{symbol}|{v2}| = {res}");
-			printIf(global.FLAG.expression_debug, $"symbol : {symbol}");
-			printIf(global.FLAG.expression_debug, $"l      : | {typeof(l)} |{l}|");
-			printIf(global.FLAG.expression_debug, $"r      : | {typeof(r)} |{r}|");
-			printIf(global.FLAG.expression_debug, "====================");
+			printIf(global.LOG_EXPRESSION, $"|{v1}|{symbol}|{v2}| = {res}");
+			printIf(global.LOG_EXPRESSION, $"symbol : {symbol}");
+			printIf(global.LOG_EXPRESSION, $"l      : | {typeof(l)} |{l}|");
+			printIf(global.LOG_EXPRESSION, $"r      : | {typeof(r)} |{r}|");
+			printIf(global.LOG_EXPRESSION, "====================");
 			
 			return res;
 		}
@@ -535,7 +537,7 @@ function functionStringClean(fx) {
 		var _ch = "";
 		var in_str = false;
 		
-		printIf(global.FLAG.expression_debug, $"===== Evaluating function: {fx} =====");
+		printIf(global.LOG_EXPRESSION, $"===== Evaluating function: {fx} =====");
 		
 		while(l <= len) {
 			ch = string_char_at(fx, l);
@@ -668,8 +670,8 @@ function functionStringClean(fx) {
 		if(!is_struct(tree))
 			tree = new __funcTree("", tree);
 		
-		//print(tree);
-		//print("");
+		printIf(global.LOG_EXPRESSION, tree);
+		printIf(global.LOG_EXPRESSION, "");
 		
 		return tree;
 	}
diff --git a/scripts/surface_functions/surface_functions.gml b/scripts/surface_functions/surface_functions.gml
index 96a8b4ad8..036522ee7 100644
--- a/scripts/surface_functions/surface_functions.gml
+++ b/scripts/surface_functions/surface_functions.gml
@@ -1,5 +1,7 @@
 //draw
 function draw_surface_safe(surface, _x = 0, _y = 0) {
+	gml_pragma("forceinline");
+	
 	if(!is_surface(surface)) return;
 	
 	__channel_pre(surface);
@@ -7,6 +9,8 @@ function draw_surface_safe(surface, _x = 0, _y = 0) {
 	__channel_pos(surface);
 }
 function draw_surface_stretched_safe(surface, _x, _y, _w, _h) {
+	gml_pragma("forceinline");
+	
 	if(!is_surface(surface)) return;
 	
 	__channel_pre(surface);
@@ -14,6 +18,8 @@ function draw_surface_stretched_safe(surface, _x, _y, _w, _h) {
 	__channel_pos(surface);
 }
 function draw_surface_ext_safe(surface, _x, _y, _xs = 1, _ys = 1, _rot = 0, _col = c_white, _alpha = 1) {
+	gml_pragma("forceinline");
+	
 	if(!is_surface(surface)) return;
 	
 	__channel_pre(surface);
@@ -21,6 +27,8 @@ function draw_surface_ext_safe(surface, _x, _y, _xs = 1, _ys = 1, _rot = 0, _col
 	__channel_pos(surface);
 }
 function draw_surface_tiled_safe(surface, _x, _y) {
+	gml_pragma("forceinline");
+	
 	if(!is_surface(surface)) return;
 	
 	__channel_pre(surface);
@@ -28,6 +36,8 @@ function draw_surface_tiled_safe(surface, _x, _y) {
 	__channel_pos(surface);
 }
 function draw_surface_tiled_ext_safe(surface, _x, _y, _xs = 1, _ys = 1, _col = c_white, _alpha = 1) {
+	gml_pragma("forceinline");
+	
 	if(!is_surface(surface)) return;
 	
 	__channel_pre(surface);
@@ -35,6 +45,8 @@ function draw_surface_tiled_ext_safe(surface, _x, _y, _xs = 1, _ys = 1, _col = c
 	__channel_pos(surface);
 }
 function draw_surface_part_ext_safe(surface, _l, _t, _w, _h, _x, _y, _xs = 1, _ys = 1, _rot = 0, _col = c_white, _alpha = 1) {
+	gml_pragma("forceinline");
+	
 	if(!is_surface(surface)) return;
 	
 	__channel_pre(surface);
@@ -46,6 +58,8 @@ function draw_surface_part_ext_safe(surface, _l, _t, _w, _h, _x, _y, _xs = 1, _y
 #macro __surface_free surface_free 
 
 function surface_free_safe(surface) {
+	gml_pragma("forceinline");
+	
 	if(!is_surface(surface)) return;
 	__surface_free(surface);
 }
@@ -123,6 +137,8 @@ function surface_verify(surf, w, h, format = surface_rgba8unorm) {
 
 //get
 function surface_get_pixel(surface, _x, _y) {
+	gml_pragma("forceinline");
+	
 	if(!is_surface(surface)) return;
 	var f  = surface_get_format(surface);
 	var px = surface_getpixel(surface, _x, _y);
@@ -132,6 +148,8 @@ function surface_get_pixel(surface, _x, _y) {
 }
 
 function surface_get_pixel_ext(surface, _x, _y) {
+	gml_pragma("forceinline");
+	
 	if(!is_surface(surface)) return;
 	var f  = surface_get_format(surface);
 	var px = surface_getpixel_ext(surface, _x, _y);
@@ -141,29 +159,29 @@ function surface_get_pixel_ext(surface, _x, _y) {
 }
 
 //create
-function surface_create_empty(w, h) {
-	var s = surface_create(w, h);
+function surface_create_empty(w, h, format = surface_rgba8unorm) {
+	gml_pragma("forceinline");
+	
+	var s = surface_create(w, h, format);
 	surface_clear(s);
 	return s;
 }
 
 function surface_create_size(surface, format = surface_rgba8unorm) {
-	var s = surface_create_valid(surface_get_width(surface), surface_get_height(surface), format);
-	surface_set_target(s);
-	DRAW_CLEAR
-	surface_reset_target();
-	return s;
+	gml_pragma("forceinline");
+	
+	return surface_create_valid(surface_get_width(surface), surface_get_height(surface), format);
 }
 
 function surface_create_valid(w, h, format = surface_rgba8unorm) {
-	var s = surface_create(surface_valid_size(w), surface_valid_size(h), format);
-	surface_set_target(s);
-	DRAW_CLEAR
-	surface_reset_target();
-	return s;
+	gml_pragma("forceinline");
+	
+	return surface_create_empty(surface_valid_size(w), surface_valid_size(h), format);
 }
 
 function surface_create_from_buffer(w, h, buff, format = surface_rgba8unorm) {
+	gml_pragma("forceinline");
+	
 	if(buff < 0) return;
 	var s = surface_create_valid(surface_valid_size(w), surface_valid_size(h), format);
 	buffer_set_surface(buff, s, 0);
@@ -252,10 +270,14 @@ function surface_size_to(surface, width, height, format = noone) {
 	if(ww == width && hh == height) return surface;
 	
 	surface_resize(surface, width, height);
+	surface_clear(surface);
+	
 	return surface;
 }
 
 function surface_clear(surface) {
+	gml_pragma("forceinline");
+	
 	if(!is_surface(surface)) return;
 	surface_set_target(surface);
 		DRAW_CLEAR
@@ -263,6 +285,8 @@ function surface_clear(surface) {
 }
 
 function surface_copy_from(dst, src, format = noone) {
+	gml_pragma("forceinline");
+	
 	surface_set_target(dst);
 	DRAW_CLEAR
 	BLEND_OVERRIDE;
@@ -272,6 +296,8 @@ function surface_copy_from(dst, src, format = noone) {
 }
 
 function surface_clone(surface, source = noone, format = noone) {
+	gml_pragma("forceinline");
+	
 	if(!is_surface(surface)) return noone;
 	
 	source = surface_verify(source, surface_get_width(surface), surface_get_height(surface), format == noone? surface_get_format(surface) : format);
@@ -288,6 +314,8 @@ function surface_clone(surface, source = noone, format = noone) {
 
 //in-place modification
 function surface_stretch(surf, _w, _h) {
+	gml_pragma("forceinline");
+	
 	if(!is_surface(surf)) return noone;
 	
 	_w = surface_valid_size(_w);
@@ -304,6 +332,8 @@ function surface_stretch(surf, _w, _h) {
 }
 
 function surface_mirror(surf, _h, _v) {
+	gml_pragma("forceinline");
+	
 	if(!is_surface(surf)) return noone;
 	var _surf = surface_create_size(surf);
 	
@@ -322,6 +352,8 @@ function surface_mirror(surf, _h, _v) {
 
 //others
 function surface_copy_size(dest, source, format = noone) {
+	gml_pragma("forceinline");
+	
 	if(!is_surface(dest)) return;
 	if(!is_surface(source)) return;
 	
@@ -334,6 +366,8 @@ function surface_copy_size(dest, source, format = noone) {
 }
 
 function surface_valid_size(s) {
+	gml_pragma("forceinline");
+	
 	if(is_infinity(s)) return 1;
 	s = toNumber(s);
 	if(!is_real(s)) return 1;
@@ -341,6 +375,8 @@ function surface_valid_size(s) {
 }
 
 function surface_array_free(arr) {
+	gml_pragma("forceinline");
+	
 	if(!is_array(arr)) {
 		if(is_surface(arr)) surface_free(arr);
 		return;
@@ -367,6 +403,8 @@ function surface_array_clone(arr) {
 }
 
 function surface_array_serialize(arr) {
+	gml_pragma("forceinline");
+	
 	var _arr = __surface_array_serialize(arr);
 	return json_stringify(_arr);
 }
@@ -393,6 +431,8 @@ function __surface_array_serialize(arr) {
 }
 
 function surface_array_deserialize(arr, index = -1) {
+	gml_pragma("forceinline");
+	
 	var _arr = json_try_parse(arr);
 	return index == -1? __surface_array_deserialize(_arr) : __surface_array_deserialize(_arr[index]);
 }
@@ -448,6 +488,8 @@ function surface_format_get_bytes(format) {
 }
 
 function surface_get_size(surface) {
+	gml_pragma("forceinline");
+	
 	var sw = surface_get_width(surface);
 	var sh = surface_get_height(surface);
 	var sz = sw * sh * surface_format_get_bytes(surface_get_format(surface));