Added needed versionadded directive. refs symfony#12073

OskarStark · OskarStark · commit e9993350e196 · 2019-08-15T11:15:49.000+02:00
diff --git a/reference/configuration/framework.rst b/reference/configuration/framework.rst
@@ -958,6 +958,10 @@ max_duration
 The maximum execution time, in seconds, that the request and the response are
 allowed to take. A value lower than or equal to 0 means it is unlimited.
 
+.. versionadded:: 4.4
+
+    The ``max_duration`` option was introduced in Symfony 4.4.
+
 verify_host
 ...........
 
