Another reference
diff --git a/jinja2/environment.py b/jinja2/environment.py
index 095329e..7a9a59f 100644
--- a/jinja2/environment.py
+++ b/jinja2/environment.py
@@ -633,6 +633,8 @@
         in the result list.
 
         If the loader does not support that, a :exc:`TypeError` is raised.
+
+        .. versionadded:: 2.4
         """
         x = self.loader.list_templates()
         if extensions is not None: