Inspector :warning: when C# props might be out of date

1 files changed, 11 insertions, 0 deletions

diff --git a/modules/mono/csharp_script.cpp b/modules/mono/csharp_script.cpp
index 8e1587997b..175e213579 100644
--- a/modules/mono/csharp_script.cpp
+++ b/modules/mono/csharp_script.cpp
@@ -2246,6 +2246,17 @@ bool CSharpScript::_update_exports(PlaceHolderScriptInstance *p_instance_to_upda
 			} else {
 				p_instance_to_update->update(propnames, values);
 			}
+		} else if (placeholders.size()) {
+			uint64_t script_modified_time = FileAccess::get_modified_time(get_path());
+			uint64_t last_valid_build_time = GDMono::get_singleton()->get_project_assembly_modified_time();
+			if (script_modified_time > last_valid_build_time) {
+				for (PlaceHolderScriptInstance *instance : placeholders) {
+					Object *owner = instance->get_owner();
+					if (owner->get_script_instance() == instance) {
+						owner->notify_property_list_changed();
+					}
+				}
+			}
 		}
 	}
 #endif