Merge branch '5.4' into 6.3

* 5.4:
  [Form]: add a tip for `debug:form` command
  Mention how to run the commands that create the testing database
  Mention the Symfony packages that don't follow the components versioning

Author: javiereguiluz

forms.rst

@@ -96,6 +96,22 @@ much easier to implement.
 There are tens of :doc:`form types provided by Symfony </reference/forms/types>`
 and you can also :doc:`create your own form types </form/create_custom_field_type>`.
 
+.. tip::
+
+    You can use the ``debug:form`` to list all the available types, type
+    extensions and type guessers in your application:
+
+    .. code-block:: terminal
+
+        $ php bin/console debug:form
+
+        # pass the form type FQCN to only show the options for that type, its parents and extensions.
+        # For built-in types, you can pass the short classname instead of the FQCN
+        $ php bin/console debug:form BirthdayType
+
+        # pass also an option name to only display the full definition of that option
+        $ php bin/console debug:form BirthdayType label_attr
+
 Building Forms
 --------------
 

setup/upgrade_major.rst

@@ -152,9 +152,10 @@ starting with ``symfony/`` to the new major version:
     +         "symfony/console": "6.0.*",
               "...": "...",
 
-              "...": "A few libraries starting with
-                      symfony/ follow their own versioning scheme. You
-                      do not need to update these versions: you can
+              "...": "A few libraries starting with symfony/ follow their own
+                      versioning scheme (e.g. symfony/polyfill-[...],
+                      symfony/ux-[...], symfony/[...]-bundle).
+                      You do not need to update these versions: you can
                       upgrade them independently whenever you want",
               "symfony/monolog-bundle": "^3.5",
           },

testing.rst

@@ -358,6 +358,11 @@ After that, you can create the test database and all tables using:
     # create the tables/columns in the test database
     $ php bin/console --env=test doctrine:schema:create
 
+.. tip::
+
+    You can run these commands to create the database during the
+    :doc:`test bootstrap process <testing/bootstrap>`.
+
 .. tip::
 
     A common practice is to append the ``_test`` suffix to the original