Deprecate renderForm()

Author: mdoutreluingne

form/form_customization.rst

@@ -21,7 +21,7 @@ enough to render an entire form, including all its fields and error messages:
 .. code-block:: twig
 
     {# form is a variable passed from the controller via either
-      $this->renderForm('...', ['form' => $form])
+      $this->render('...', ['form' => $form])
       or $this->render('...', ['form' => $form->createView()]) #}
     {{ form(form) }}
 

forms.rst

@@ -275,17 +275,21 @@ Now that the form has been created, the next step is to render it::
 
             $form = $this->createForm(TaskType::class, $task);
 
-            return $this->renderForm('task/new.html.twig', [
+            return $this->render('task/new.html.twig', [
                 'form' => $form,
             ]);
         }
     }
 
 In versions prior to Symfony 5.3, controllers used the method
 ``$this->render('...', ['form' => $form->createView()])`` to render the form.
-The ``renderForm()`` method abstracts this logic and it also sets the 422 HTTP
+The ``render()`` method abstracts this logic and it also sets the 422 HTTP
 status code in the response automatically when the submitted form is not valid.
 
+.. deprecated:: 6.2
+
+   The ``renderForm()`` method is deprecated since Symfony 6.2, use ``render()`` instead.
+
 Then, use some :ref:`form helper functions <reference-form-twig-functions>` to
 render the form contents:
 
@@ -404,7 +408,7 @@ written into the form object::
                 return $this->redirectToRoute('task_success');
             }
 
-            return $this->renderForm('task/new.html.twig', [
+            return $this->render('task/new.html.twig', [
                 'form' => $form,
             ]);
         }