Add an update warning to the main menu.

mods/common/chrome/mainmenu.yaml

@@ -27,7 +27,7 @@ Container@MAINMENU:
 			Height: 25
 			Align: Center
 			Font: Regular
-			Contrast: True
+			Shadow: true
 		Container@MENUS:
 			X: 13 + (WINDOW_RIGHT - 522) / 4 - WIDTH / 2
 			Y: WINDOW_BOTTOM / 2 - HEIGHT / 2
@@ -302,3 +302,21 @@ Container@MAINMENU:
 					Height: 25
 					Text: Battlefield News
 					Font: Bold
+		Container@UPDATE_NOTICE:
+			X: (WINDOW_RIGHT - WIDTH) / 2
+			Y: 95
+			Width: 128
+			Children:
+				Label@A:
+					Width: PARENT_RIGHT
+					Height: 25
+					Align: Center
+					Shadow: true
+					Text: You are running an outdated version of OpenRA.
+				Label@B:
+					Y: 20
+					Width: PARENT_RIGHT
+					Height: 25
+					Align: Center
+					Shadow: true
+					Text: Download the latest version from www.openra.net