Merge branch '5.1' into 5.2

* 5.1:
  [Console] Caution about disabling auto exit flag
  language tweak
  Replace unavailable dependency in Symfony 4

Author: OskarStark

components/property_access.rst

@@ -225,7 +225,7 @@ The ``getValue()`` method can also use the magic ``__get()`` method::
 Magic ``__call()`` Method
 ~~~~~~~~~~~~~~~~~~~~~~~~~
 
-At last, ``getValue()`` can use the magic ``__call()`` method, but you need to
+Lastly, ``getValue()`` can use the magic ``__call()`` method, but you need to
 enable this feature by using :class:`Symfony\\Component\\PropertyAccess\\PropertyAccessorBuilder`::
 
     // ...

console.rst

@@ -403,6 +403,16 @@ call ``setAutoExit(false)`` on it to get the command result in ``CommandTester``
     not dispatched. If you need to test those events, use the
     :class:`Symfony\\Component\\Console\\Tester\\ApplicationTester` instead.
 
+.. caution::
+
+    When testing commands using the :class:`Symfony\\Component\\Console\\Tester\\ApplicationTester`
+    class, don't forget to disable the auto exit flag::
+
+        $application = new Application();
+        $application->setAutoExit(false);
+        
+        $tester = new ApplicationTester($application);
+
 .. note::
 
     When using the Console component in a standalone project, use

setup/unstable_versions.rst

@@ -68,7 +68,7 @@ Symfony version has deprecated some of its features.
         $ cd projects/my_project/
         $ git checkout -b testing_new_symfony
         # ... update composer.json configuration
-        $ composer update symfony/symfony
+        $ composer update "symfony/*"
 
         # ... after testing the new Symfony version
         $ git checkout master