Fix Godot 4.7 typed array crash: add freed-object filtering in PropertyPool and PerObjectHistory

2026-07-03 16:09:59 -04:00
parent fc2c0236cb
commit 5a1695e2ab
3 changed files with 22 additions and 3 deletions
@@ -49,8 +49,14 @@ func get_properties_of(subject: Object) -> Array[NodePath]:
 	return properties

 func get_subjects() -> Array[Object]:
+	# Filter out freed objects — Godot 4.7 stricter typed arrays
+	# reject invalid references and crash the engine.
+	var valid := []
+	for s in _properties_by_subject.keys():
+		if is_instance_valid(s):
+			valid.append(s)
 	var subjects := [] as Array[Object]
-	subjects.assign(_properties_by_subject.keys())
+	subjects.assign(valid)
 	return subjects

 func is_empty() -> bool: