Possible fix for #11758

tests/src/test/java/PatcherTests.java

@@ -578,6 +578,21 @@ public class PatcherTests{
         assertEquals(UnitTypes.avert, ((Reconstructor)Blocks.shipRefabricator).upgrades.get(0)[1]);
     }
 
+    @Test
+    void arrayMulti() throws Exception{
+        int size = UnitTypes.emanate.weapons.size;
+
+        Vars.state.patcher.apply(Seq.with("""
+        {"name":"Patch0","unit":{"emanate":{"weapons":{"0":{"type":"Weapon","name":"toxopid-cannon"}},"weapons.+":[{"name":"sei-launcher"}]}}}
+        """));
+
+        assertEquals(UnitTypes.emanate.weapons.size, size + 1);
+
+        resetAfter();
+
+        assertEquals(UnitTypes.emanate.weapons.size, size);
+    }
+
     @Test
     void customAttribute() throws Exception{
         int amount = Attribute.all.length;