Add an explain section to update symfony recipes

maxhelias · maxhelias · commit fb7fae53e783 · 2020-03-09T10:20:52.000+01:00
diff --git a/setup/upgrade_major.rst b/setup/upgrade_major.rst
@@ -84,7 +84,7 @@ Now, you can start fixing the notices:
     OK (10 tests, 20 assertions)
 
     Remaining deprecation notices (6)
-    
+
     The "request" service is deprecated and will be removed in 3.0. Add a type-hint for
     Symfony\Component\HttpFoundation\Request to your controller parameters to retrieve the
     request instead: 6x
@@ -178,7 +178,25 @@ Next, use Composer to download new versions of the libraries:
 
 .. _upgrade-major-symfony-after:
 
-3) Update your Code to Work with the New Version
+3) Update your Symfony Recipes
+------------------------------
+
+Since symfony/flex ``1.6.0``, we have a new command that will help you to update your recipes.
+
+First, list all installed recipes and let's see if some of them are not up to date :
+
+.. code-block:: terminal
+
+    $ composer recipes
+
+Next, the previous command recommends two options to go further :
+
+.. code-block:: terminal
+
+    $ composer recipes vendor/package # to see details and history about a recipe
+    $ composer recipes:install vendor/package --force -v # to update that recipe
+
+4) Update your Code to Work with the New Version
 ------------------------------------------------
 
 In some rare situations, the next major version *may* contain backwards-compatibility
