Update

Kha/Tools/windows_x64/std/js/_std/haxe/NativeStackTrace.hx

@@ -62,7 +62,7 @@ class NativeStackTrace {
 			for (i in 0...stack.length) {
 				if(skip > i) continue;
 				var line = stack[i];
-				var matched:Null<Array<String>> = Syntax.code('{0}.match(/^    at ([A-Za-z0-9_. ]+) \\(([^)]+):([0-9]+):([0-9]+)\\)$/)', line);
+				var matched:Null<Array<String>> = Syntax.code("{0}.match(/^    at ([$A-Za-z0-9_. ]+) \\(([^)]+):([0-9]+):([0-9]+)\\)$/)", line);
 				if (matched != null) {
 					var path = matched[1].split(".");
 					if(path[0] == "$hxClasses") {

Kha/Tools/windows_x64/std/js/_std/haxe/atomic/AtomicInt.hx

@@ -0,0 +1,50 @@
+package haxe.atomic;
+
+import js.lib.Atomics;
+
+abstract AtomicInt(js.lib.Int32Array) {
+	public inline function new(value:Int) {
+		this = new js.lib.Int32Array(new js.lib.SharedArrayBuffer(js.lib.Int32Array.BYTES_PER_ELEMENT));
+		this[0] = value;
+	}
+
+	private function asArray():js.lib.Int32Array {
+		return this;
+	}
+
+	public inline function add(b:Int):Int {
+		return Atomics.add(asArray(), 0, b);
+	}
+
+	public inline function sub(b:Int):Int {
+		return Atomics.sub(asArray(), 0, b);
+	}
+
+	public inline function and(b:Int):Int {
+		return Atomics.and(asArray(), 0, b);
+	}
+
+	public inline function or(b:Int):Int {
+		return Atomics.or(asArray(), 0, b);
+	}
+
+	public inline function xor(b:Int):Int {
+		return Atomics.xor(asArray(), 0, b);
+	}
+
+	public inline function compareExchange(expected:Int, replacement:Int):Int {
+		return Atomics.compareExchange(asArray(), 0, expected, replacement);
+	}
+
+	public inline function exchange(value:Int):Int {
+		return Atomics.exchange(asArray(), 0, value);
+	}
+
+	public inline function load():Int {
+		return Atomics.load(asArray(), 0);
+	}
+
+	public inline function store(value:Int):Int {
+		return Atomics.store(asArray(), 0, value);
+	}
+}

Kha/Tools/windows_x64/std/js/_std/haxe/ds/IntMap.hx

@@ -81,7 +81,7 @@ package haxe.ds;
 
 	public function toString():String {
 		var s = new StringBuf();
-		s.add("{");
+		s.add("[");
 		var it = keys();
 		for (i in it) {
 			s.add(i);
@@ -90,7 +90,7 @@ package haxe.ds;
 			if (it.hasNext())
 				s.add(", ");
 		}
-		s.add("}");
+		s.add("]");
 		return s.toString();
 	}
 

Kha/Tools/windows_x64/std/js/_std/haxe/ds/ObjectMap.hx

@@ -27,13 +27,6 @@ import js.Lib;
 
 @:coreApi
 class ObjectMap<K:{}, V> implements haxe.Constraints.IMap<K, V> {
-	static var count:Int;
-
-	// initialize count through __init__ magic, because these are generated
-	// before normal static initializations for which ObjectMap should be ready to use
-	// see https://github.com/HaxeFoundation/haxe/issues/6792
-	static inline function __init__():Void
-		count = 0;
 
 	static inline function assignId(obj:{}):Int {
 		return Syntax.code('({0}.__id__ = {1})', obj, Lib.getNextHaxeUID());
@@ -113,7 +106,7 @@ class ObjectMap<K:{}, V> implements haxe.Constraints.IMap<K, V> {
 
 	public function toString():String {
 		var s = new StringBuf();
-		s.add("{");
+		s.add("[");
 		var it = keys();
 		for (i in it) {
 			s.add(Std.string(i));
@@ -122,7 +115,7 @@ class ObjectMap<K:{}, V> implements haxe.Constraints.IMap<K, V> {
 			if (it.hasNext())
 				s.add(", ");
 		}
-		s.add("}");
+		s.add("]");
 		return s.toString();
 	}
 

Kha/Tools/windows_x64/std/js/_std/haxe/ds/StringMap.hx

@@ -87,12 +87,12 @@ import haxe.DynamicAccess;
 
 	@:analyzer(no_optimize)
 	static function stringify(h:Dynamic):String {
-		var s = "{", first = true;
+		var s = "[", first = true;
 		js.Syntax.code("for (var key in {0}) {", h);
 		js.Syntax.code("\tif ({0}) {0} = false; else {1} += ',';", first, s);
 		js.Syntax.code("\t{0} += key + ' => ' + {1}({2}[key]);", s, Std.string, h);
 		js.Syntax.code("}");
-		return s + "}";
+		return s + "]";
 	}
 }
 
@@ -286,7 +286,7 @@ private class StringMapIterator<T> {
 
 	public function toString():String {
 		var s = new StringBuf();
-		s.add("{");
+		s.add("[");
 		var keys = arrayKeys();
 		for (i in 0...keys.length) {
 			var k = keys[i];
@@ -296,7 +296,7 @@ private class StringMapIterator<T> {
 			if (i < keys.length - 1)
 				s.add(", ");
 		}
-		s.add("}");
+		s.add("]");
 		return s.toString();
 	}