diff --git a/config/sets/symfony/symfony25.php b/config/sets/symfony/symfony25.php
index b574690d..28bc5d70 100644
--- a/config/sets/symfony/symfony25.php
+++ b/config/sets/symfony/symfony25.php
@@ -4,7 +4,11 @@
 
 use Rector\Config\RectorConfig;
 use Rector\Symfony\Rector\MethodCall\AddViolationToBuildViolationRector;
+use Rector\Symfony\Rector\MethodCall\MaxLengthSymfonyFormOptionToAttrRector;
 
 return static function (RectorConfig $rectorConfig): void {
-    $rectorConfig->rule(AddViolationToBuildViolationRector::class);
+    $rectorConfig->rules([
+        AddViolationToBuildViolationRector::class,
+        MaxLengthSymfonyFormOptionToAttrRector::class,
+    ]);
 };
diff --git a/docs/rector_rules_overview.md b/docs/rector_rules_overview.md
index c83ebb87..966c78e1 100644
--- a/docs/rector_rules_overview.md
+++ b/docs/rector_rules_overview.md
@@ -1,4 +1,4 @@
-# 68 Rules Overview
+# 70 Rules Overview
 
 ## ActionSuffixRemoverRector
 
@@ -714,6 +714,27 @@ Turns properties with `@inject` to private properties and constructor injection
 
 <br>
 
+## KernelTestCaseContainerPropertyDeprecationRector
+
+Simplify use of assertions in WebTestCase
+
+- class: [`Rector\Symfony\Rector\StaticPropertyFetch\KernelTestCaseContainerPropertyDeprecationRector`](../src/Rector/StaticPropertyFetch/KernelTestCaseContainerPropertyDeprecationRector.php)
+
+```diff
+ use Symfony\Bundle\FrameworkBundle\Test\KernelTestCase;
+
+ class SomeTest extends KernelTestCase
+ {
+     protected function setUp(): void
+     {
+-        $container = self::$container;
++        $container = self::getContainer();
+     }
+ }
+```
+
+<br>
+
 ## LiteralGetToRequestClassConstantRector
 
 Replace "GET" string by Symfony Request object class constants
@@ -927,6 +948,23 @@ Make event object a first argument of `dispatch()` method, event name as second
 
 <br>
 
+## MaxLengthSymfonyFormOptionToAttrRector
+
+Change form option "max_length" to a form "attr" > "max_length"
+
+- class: [`Rector\Symfony\Rector\MethodCall\MaxLengthSymfonyFormOptionToAttrRector`](../src/Rector/MethodCall/MaxLengthSymfonyFormOptionToAttrRector.php)
+
+```diff
+ $formBuilder = new Symfony\Component\Form\FormBuilder();
+
+ $form = $formBuilder->create('name', 'text', [
+-    'max_length' => 123,
++    'attr' => ['maxlength' => 123],
+ ]);
+```
+
+<br>
+
 ## MergeMethodAnnotationToRouteAnnotationRector
 
 Merge removed `@Method` annotation to `@Route` one
@@ -1354,9 +1392,9 @@ Change RouteCollectionBuilder to RoutingConfiguratorRector
 
 ## ServiceSetStringNameToClassNameRector
 
-Change `$service->set()` string names to class-type-based names, to allow `$container->get()` by types in Symfony 2.8
+Change `$service->set()` string names to class-type-based names, to allow `$container->get()` by types in Symfony 2.8. Provide XML config via `$rectorConfig->symfonyContainerXml(...);`
 
-- class: [`Rector\Symfony\Rector\Closure\ServiceSetStringNameToClassNameRector`](../src/Rector/MethodCall/ServiceSetStringNameToClassNameRector.php)
+- class: [`Rector\Symfony\Rector\Closure\ServiceSetStringNameToClassNameRector`](../src/Rector/Closure/ServiceSetStringNameToClassNameRector.php)
 
 ```diff
  use Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator;
diff --git a/src/Rector/MethodCall/MaxLengthSymfonyFormOptionToAttrRector.php b/src/Rector/MethodCall/MaxLengthSymfonyFormOptionToAttrRector.php
new file mode 100644
index 00000000..3d0e23ea
--- /dev/null
+++ b/src/Rector/MethodCall/MaxLengthSymfonyFormOptionToAttrRector.php
@@ -0,0 +1,161 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\Symfony\Rector\MethodCall;
+
+use PhpParser\Node;
+use PhpParser\Node\Arg;
+use PhpParser\Node\Expr\Array_;
+use PhpParser\Node\Expr\ArrayItem;
+use PhpParser\Node\Expr\MethodCall;
+use PhpParser\Node\Scalar\String_;
+use PHPStan\Type\ObjectType;
+use Rector\Core\Exception\ShouldNotHappenException;
+use Rector\Core\Rector\AbstractRector;
+use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
+use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
+
+/**
+ * @changelog https://github.com/symfony/symfony/commit/feea36df99205fd12be52515edeb10fc18523232
+ * @changelog https://github.com/symfony/symfony-docs/pull/3461
+ * @changelog https://github.com/symfony/symfony/issues/7148
+ *
+ * @see \Rector\Symfony\Tests\Rector\Array_\MaxLengthSymfonyFormOptionToAttrRector\MaxLengthSymfonyFormOptionToAttrRectorTest
+ */
+final class MaxLengthSymfonyFormOptionToAttrRector extends AbstractRector
+{
+    public function getRuleDefinition(): RuleDefinition
+    {
+        return new RuleDefinition('Change form option "max_length" to a form "attr" > "max_length"', [
+            new CodeSample(
+                <<<'CODE_SAMPLE'
+$formBuilder = new Symfony\Component\Form\FormBuilder();
+
+$form = $formBuilder->create('name', 'text', [
+    'max_length' => 123,
+]);
+CODE_SAMPLE
+
+                ,
+                <<<'CODE_SAMPLE'
+$formBuilder = new Symfony\Component\Form\FormBuilder();
+
+$form = $formBuilder->create('name', 'text', [
+    'attr' => ['maxlength' => 123],
+]);
+CODE_SAMPLE
+            ),
+        ]);
+    }
+
+    /**
+     * @return array<class-string<Node>>
+     */
+    public function getNodeTypes(): array
+    {
+        return [MethodCall::class];
+    }
+
+    /**
+     * @param MethodCall $node
+     */
+    public function refactor(Node $node): ?Node
+    {
+        if (! $this->isFormCreateMethodCallMatch($node)) {
+            return null;
+        }
+
+        $optionsArg = $node->getArgs()[2] ?? null;
+        if (! $optionsArg instanceof Arg) {
+            return null;
+        }
+
+        if (! $optionsArg->value instanceof Array_) {
+            return null;
+        }
+
+        $optionsArray = $optionsArg->value;
+
+        $itemToAddToAttrs = null;
+
+        foreach ($optionsArray->items as $arrayKey => $arrayItem) {
+            if (! $arrayItem instanceof ArrayItem) {
+                continue;
+            }
+
+            if (! $arrayItem->key instanceof String_) {
+                continue;
+            }
+
+            if (! $this->valueResolver->isValue($arrayItem->key, 'max_length')) {
+                continue;
+            }
+
+            unset($optionsArray->items[$arrayKey]);
+
+            $itemToAddToAttrs = $arrayItem;
+            break;
+        }
+
+        if (! $itemToAddToAttrs instanceof ArrayItem) {
+            return null;
+        }
+
+        $this->addArrayItemToAttrsItemOrCreateOne($optionsArray, $itemToAddToAttrs);
+        return $node;
+    }
+
+    private function matchAttrArrayItem(Array_ $array): ?ArrayItem
+    {
+        foreach ($array->items as $arrayItem) {
+            if (! $arrayItem instanceof ArrayItem) {
+                continue;
+            }
+
+            if (! $arrayItem->key instanceof String_) {
+                continue;
+            }
+
+            if (! $this->valueResolver->isValue($arrayItem->key, 'attrs')) {
+                continue;
+            }
+
+            return $arrayItem;
+        }
+
+        return null;
+    }
+
+    private function addArrayItemToAttrsItemOrCreateOne(Array_ $array, ArrayItem $arrayItem): Array_
+    {
+        // rename
+        $arrayItem->key = new String_('maxlength');
+
+        $attrArrayItem = $this->matchAttrArrayItem($array);
+
+        if ($attrArrayItem instanceof ArrayItem) {
+            if (! $attrArrayItem->value instanceof Array_) {
+                throw new ShouldNotHappenException();
+            }
+
+            $attrArrayItem->value->items[] = $arrayItem;
+            return $array;
+        }
+
+        $array->items[] = new ArrayItem(new Array_([$arrayItem]), new String_('attr'));
+        return $array;
+    }
+
+    private function isFormCreateMethodCallMatch(MethodCall $methodCall): bool
+    {
+        if (
+            ! $this->isObjectType($methodCall->var, new ObjectType('Symfony\Component\Form\FormFactoryInterface'))
+            && ! $this->isObjectType($methodCall->var, new ObjectType('Symfony\Component\Form\FormBuilderInterface'))
+        ) {
+            return false;
+        }
+
+        return $this->isNames($methodCall->name, ['create', 'add']);
+    }
+}
diff --git a/stubs/Symfony/Component/Form/FormBuilder.php b/stubs/Symfony/Component/Form/FormBuilder.php
index 2f51de62..25e82c78 100644
--- a/stubs/Symfony/Component/Form/FormBuilder.php
+++ b/stubs/Symfony/Component/Form/FormBuilder.php
@@ -10,5 +10,7 @@
 
 class FormBuilder implements FormBuilderInterface
 {
-
+    public function add()
+    {
+    }
 }
diff --git a/stubs/Symfony/Component/Form/FormFactory.php b/stubs/Symfony/Component/Form/FormFactory.php
new file mode 100644
index 00000000..b0a48892
--- /dev/null
+++ b/stubs/Symfony/Component/Form/FormFactory.php
@@ -0,0 +1,14 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Symfony\Component\Form;
+
+if (class_exists('Symfony\Component\Form\FormFactory')) {
+    return;
+}
+
+class FormFactory implements FormFactoryInterface
+{
+
+}
diff --git a/stubs/Symfony/Component/Form/FormFactoryInterface.php b/stubs/Symfony/Component/Form/FormFactoryInterface.php
new file mode 100644
index 00000000..2f3dc4ac
--- /dev/null
+++ b/stubs/Symfony/Component/Form/FormFactoryInterface.php
@@ -0,0 +1,12 @@
+<?php
+declare(strict_types=1);
+
+namespace Symfony\Component\Form;
+
+if (interface_exists('Symfony\Component\Form\FormFactoryInterface')) {
+    return;
+}
+
+interface FormFactoryInterface
+{
+}
diff --git a/tests/Rector/Array_/MaxLengthSymfonyFormOptionToAttrRector/Fixture/some_class.php.inc b/tests/Rector/Array_/MaxLengthSymfonyFormOptionToAttrRector/Fixture/some_class.php.inc
new file mode 100644
index 00000000..c117b65d
--- /dev/null
+++ b/tests/Rector/Array_/MaxLengthSymfonyFormOptionToAttrRector/Fixture/some_class.php.inc
@@ -0,0 +1,27 @@
+<?php
+
+namespace Rector\Symfony\Tests\Rector\Array_\MaxLengthSymfonyFormOptionToAttrRector\Fixture;
+
+use Symfony\Component\Form\FormBuilder;
+
+$formBuilder = new FormBuilder();
+
+$form = $formBuilder->add('name', 'text', [
+    'max_length' => 123,
+]);
+
+?>
+-----
+<?php
+
+namespace Rector\Symfony\Tests\Rector\Array_\MaxLengthSymfonyFormOptionToAttrRector\Fixture;
+
+use Symfony\Component\Form\FormBuilder;
+
+$formBuilder = new FormBuilder();
+
+$form = $formBuilder->add('name', 'text', [
+    'attr' => ['maxlength' => 123],
+]);
+
+?>
diff --git a/tests/Rector/Array_/MaxLengthSymfonyFormOptionToAttrRector/Fixture/some_form_factory.php.inc b/tests/Rector/Array_/MaxLengthSymfonyFormOptionToAttrRector/Fixture/some_form_factory.php.inc
new file mode 100644
index 00000000..f2e90b9b
--- /dev/null
+++ b/tests/Rector/Array_/MaxLengthSymfonyFormOptionToAttrRector/Fixture/some_form_factory.php.inc
@@ -0,0 +1,23 @@
+<?php
+
+namespace Rector\Symfony\Tests\Rector\Array_\MaxLengthSymfonyFormOptionToAttrRector\Fixture;
+
+$formBuilder = new \Symfony\Component\Form\FormFactory();
+
+$form = $formBuilder->create('name', 'text', [
+    'max_length' => 123,
+]);
+
+?>
+-----
+<?php
+
+namespace Rector\Symfony\Tests\Rector\Array_\MaxLengthSymfonyFormOptionToAttrRector\Fixture;
+
+$formBuilder = new \Symfony\Component\Form\FormFactory();
+
+$form = $formBuilder->create('name', 'text', [
+    'attr' => ['maxlength' => 123],
+]);
+
+?>
diff --git a/tests/Rector/Array_/MaxLengthSymfonyFormOptionToAttrRector/MaxLengthSymfonyFormOptionToAttrRectorTest.php b/tests/Rector/Array_/MaxLengthSymfonyFormOptionToAttrRector/MaxLengthSymfonyFormOptionToAttrRectorTest.php
new file mode 100644
index 00000000..6a0cde34
--- /dev/null
+++ b/tests/Rector/Array_/MaxLengthSymfonyFormOptionToAttrRector/MaxLengthSymfonyFormOptionToAttrRectorTest.php
@@ -0,0 +1,32 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\Symfony\Tests\Rector\Array_\MaxLengthSymfonyFormOptionToAttrRector;
+
+use Iterator;
+use Rector\Testing\PHPUnit\AbstractRectorTestCase;
+
+final class MaxLengthSymfonyFormOptionToAttrRectorTest extends AbstractRectorTestCase
+{
+    /**
+     * @dataProvider provideData()
+     */
+    public function test(string $file): void
+    {
+        $this->doTestFile($file);
+    }
+
+    /**
+     * @return Iterator<string[]>
+     */
+    public function provideData(): Iterator
+    {
+        return $this->yieldFilesFromDirectory(__DIR__ . '/Fixture');
+    }
+
+    public function provideConfigFilePath(): string
+    {
+        return __DIR__ . '/config/configured_rule.php';
+    }
+}
diff --git a/tests/Rector/Array_/MaxLengthSymfonyFormOptionToAttrRector/config/configured_rule.php b/tests/Rector/Array_/MaxLengthSymfonyFormOptionToAttrRector/config/configured_rule.php
new file mode 100644
index 00000000..6ef67f6a
--- /dev/null
+++ b/tests/Rector/Array_/MaxLengthSymfonyFormOptionToAttrRector/config/configured_rule.php
@@ -0,0 +1,12 @@
+<?php
+
+declare(strict_types=1);
+
+use Rector\Config\RectorConfig;
+use Rector\Symfony\Rector\MethodCall\MaxLengthSymfonyFormOptionToAttrRector;
+
+return static function (RectorConfig $rectorConfig): void {
+    $rectorConfig->import(__DIR__ . '/../../../../../config/config.php');
+
+    $rectorConfig->rule(MaxLengthSymfonyFormOptionToAttrRector::class);
+};