Merge branch '6.1' into 6.2

* 6.1:
  notifier - do not display todo doc on site
  [Translation] Translatable parameters

Author: javiereguiluz

notifier.rst

@@ -778,9 +778,9 @@ all configured texter and chatter transports only in the ``dev`` (and/or
                 slack: 'null://null'
 
 .. TODO
-    - Using the message bus for asynchronous notification
-    - Describe notifier monolog handler
-    - Describe notification_on_failed_messages integration
+..    - Using the message bus for asynchronous notification
+..    - Describe notifier monolog handler
+..    - Describe notification_on_failed_messages integration
 
 Learn more
 ----------

translation.rst

@@ -345,6 +345,10 @@ Templates are now much simpler because you can pass translatable objects to the
     <h1>{{ message|trans }}</h1>
     <p>{{ status|trans }}</p>
 
+.. tip::
+
+    The translation parameters can also be a :class:`Symfony\\Component\\Translation\\TranslatableMessage`.
+
 .. tip::
 
     There's also a :ref:`function called t() <reference-twig-function-t>`,