Merge remote-tracking branch 'upstream/main'

# Conflicts:
#	source/funkin/backend/system/framerate/CodenameBuildField.hx

source/funkin/backend/utils/CoolUtil.hx

@@ -721,7 +721,7 @@ class CoolUtil
 	 */
 	@:noUsing public static inline function openURL(url:String) {
 		#if linux
-		Sys.command('/usr/bin/xdg-open', [url, "&"]);
+		Sys.command('/usr/bin/xdg-open', [url]);
 		#else
 		FlxG.openURL(url);
 		#end
@@ -918,4 +918,4 @@ enum abstract CoolSfx(Int) from Int {
 	var CHECKED = 3;
 	var UNCHECKED = 4;
 	var WARNING = 5;
-}
+}