paul121: Am I right in thinking [this line](https://github.com/farmOS/farmOS/blob/eae26e5e7f7f9c27a485b0f8fa1bb0f9a2ecd2d7/modules/core/map/src/Element/FarmMap.php#L65) should be;

```diff
diff --git a/modules/core/map/src/Element/FarmMap.php b/modules/core/map/src/Element/FarmMap.php
index bbd227cd..00d7b199 100644
--- a/modules/core/map/src/Element/FarmMap.php
+++ b/modules/core/map/src/Element/FarmMap.php
@@ -62,7 +62,7 @@ class FarmMap extends RenderElement {
 
     // Add the instance settings under the map id key.
     $instance_settings = array_merge_recursive($map_settings, $map_options);
-    $element['#attached']['drupalSettings']['farm_map'][$map_id] = $instance_settings;
+    $element['#attached']['drupalSettings']['farm_map'][$map_id]['instance'] = $instance_settings;
 
     // Create and dispatch a MapRenderEvent.
     $event = new MapRenderEvent($map, $element);
```

to match https://github.com/farmOS/farmOS/blob/eae26e5e7f7f9c27a485b0f8fa1bb0f9a2ecd2d7/modules/core/map/js/farm_map.js#L26