Merge branch '7.1' into 7.2

* 7.1:
  Update service_container.rst

Author: javiereguiluz

service_container.rst

@@ -1061,20 +1061,24 @@ to them.
 Linting Service Definitions
 ---------------------------
 
-The ``lint:container`` command checks that the arguments injected into services
-match their type declarations. It's useful to run it before deploying your
+The ``lint:container`` command performs additional checks to ensure the container
+is properly configured. It is useful to run this command before deploying your
 application to production (e.g. in your continuous integration server):
 
 .. code-block:: terminal
 
     $ php bin/console lint:container
 
-Checking the types of all service arguments whenever the container is compiled
-can hurt performance. That's why this type checking is implemented in a
-:doc:`compiler pass </service_container/compiler_passes>` called
-``CheckTypeDeclarationsPass`` which is disabled by default and enabled only when
-executing the ``lint:container`` command. If you don't mind the performance
-loss, enable the compiler pass in your application.
+Performing those checks whenever the container is compiled can hurt performance.
+That's why they are implemented in :doc:`compiler passes </service_container/compiler_passes>`
+called ``CheckTypeDeclarationsPass`` and ``CheckAliasValidityPass``, which are
+disabled by default and enabled only when executing the ``lint:container`` command.
+If you don't mind the performance loss, you can enable these compiler passes in
+your application.
+
+.. versionadded:: 7.1
+
+    The ``CheckAliasValidityPass`` compiler pass was introduced in Symfony 7.1.
 
 .. _container-public: