Removed unneeded versionadded directives for 5.0

components/mailer.rst

@@ -105,10 +105,6 @@ You can create failover transport with the help of ``failover()`` keyword::
 So if the first transport fails, the mailer will attempt to send through the
 second transport.
 
-.. versionadded:: 4.4
-
-    The ``failover()`` keyword was introduced in Symfony 4.4.
-
 Round Robin
 -----------
 
@@ -117,10 +113,6 @@ you can use the ``roundrobin()`` keyword with the transports::
 
     $dsn = 'roundrobin(api://id@postmark smtp://key@sendgrid)'
 
-.. versionadded:: 4.4
-
-    The ``roundrobin()`` keyword was introduced in Symfony 4.4.
-
 Sending emails asynchronously
 -----------------------------
 

components/validator/resources.rst

@@ -158,10 +158,6 @@ implement the PSR-6 interface :class:`Psr\\Cache\\CacheItemPoolInterface`)::
         ->setMappingCache(new SomePsr6Cache());
         ->getValidator();
 
-.. versionadded:: 4.4
-
-    Support for PSR-6 compatible mapping caches was introduced in Symfony 4.4.
-
 .. note::
 
     The loaders already use a singleton load mechanism. That means that the

reference/constraints/File.rst

@@ -252,10 +252,6 @@ You can find a list of existing mime types on the `IANA website`_.
     (i.e. the form type is not defined explicitly in the ``->add()`` method of
     the form builder) and when the field doesn't define its own ``accept`` value.
 
-    .. versionadded:: 4.4
-
-        This feature was introduced in Symfony 4.4.
-
 mimeTypesMessage
 ~~~~~~~~~~~~~~~~
 

reference/forms/types/options/row_attr.rst.inc

@@ -14,7 +14,3 @@ to render the :ref:`form type row <form-rendering-basics>`::
 
     Use the ``attr`` option if you want to add these attributes to the
     the :ref:`form type widget <form-rendering-basics>` element.
-
-.. versionadded:: 4.3
-
-    The ``row_attr`` option was introduced in Symfony 4.3.