[#15063] Added versionaddeds

Author: wouterj

translation.rst

@@ -468,6 +468,11 @@ The ``translation:update`` command looks for missing translations in:
   :ref:`translatable-objects` using the constructor or the ``t()`` method or calls
   the ``trans()`` method.
 
+.. versionadded:: 5.3
+
+    Support for extracting Translatable objects has been introduced in
+    Symfony 5.3.
+
 .. _translation-resource-locations:
 
 Translation Resource/File Names and Locations

translation/debug.rst

@@ -21,8 +21,9 @@ command helps you to find these missing or unused translation messages templates
 
     The extractors can't find messages translated outside templates (like form
     labels or controllers) unless using :ref:`translatable-objects` or calling
-    the ``trans()`` method on a translator. Dynamic translations using variables
-    or expressions in templates are not detected either:
+    the ``trans()`` method on a translator (since Symfony 5.3). Dynamic
+    translations using variables or expressions in templates are not
+    detected either:
 
     .. code-block:: twig