Merge branch '6.4' into 7.1

* 6.4:
  remove outdated timezone warning
  [HttpFoundation] Mention issues with generated URL hashes

Author: javiereguiluz

messenger.rst

@@ -1567,12 +1567,6 @@ DSN by using the ``table_name`` option:
 Or, to create the table yourself, set the ``auto_setup`` option to ``false`` and
 :ref:`generate a migration <doctrine-creating-the-database-tables-schema>`.
 
-.. warning::
-
-    The datetime property of the messages stored in the database uses the
-    timezone of the current system. This may cause issues if multiple machines
-    with different timezone configuration use the same storage.
-
 The transport has a number of options:
 
 ``table_name`` (default: ``messenger_messages``)

routing.rst

@@ -2802,6 +2802,12 @@ argument of :method:`Symfony\\Component\\HttpFoundation\\UriSigner::sign`::
 
     The feature to add an expiration date for a signed URI was introduced in Symfony 7.1.
 
+.. note::
+
+    The generated URI hashes may include the ``/`` and ``+`` characters, which
+    can cause issues with certain clients. If you encounter this problem, replace
+    them using the following: ``strtr($hash, ['/' => '_', '+' => '-'])``.
+
 Troubleshooting
 ---------------