diff --git a/.gitignore b/.gitignore
index 8e9e535..3f423da 100644
--- a/.gitignore
+++ b/.gitignore
@@ -38,3 +38,7 @@ phpunit.xml
 ### NodeJS ###
 ##############
 node_modules/
+
+### JQueryValidation ###
+########################
+/.tmp/
diff --git a/.travis.yml b/.travis.yml
index 52c1162..c9b0db3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,23 +10,42 @@ env:
 
 matrix:
   include:
-  - php: 5.6
-    env: |
-      - SYMFONY_VERSION=2.7.*
+  # [PHPUnit] Test symfony versions
   - php: 5.3.3
     env: |
       COMPOSER_FLAGS='--prefer-stable --prefer-lowest'
       PHPUNIT_COVERAGE='--coverage-text --coverage-clover=coverage.clover'
+  - php: 5.6
+    env: |
+      SYMFONY_VERSION=2.7.*
+  - php: 5.6
+    env: |
+      SYMFONY_VERSION=2.8.*
+  - php: 5.6
+    env: |
+      SYMFONY_VERSION=3.0.*
+  # [BEHAT] Test 2.8 without additionals in FF
   - php: 5.4
     env: |
+      SYMFONY_VERSION=2.8.*
       TEST_SCOPE='javascript'
       SYMFONY_ENVIRONMENT='test'
       SYMFONY__ENABLE_ADDITIONALS='false'
     addons:
       firefox: "42.0"
+  # [BEHAT] Test 2.3 with additionals in FF
+  - php: 5.4
+    env: |
+      SYMFONY_VERSION=2.3.*
+      TEST_SCOPE='javascript'
+      SYMFONY_ENVIRONMENT='test'
+      SYMFONY__ENABLE_ADDITIONALS='true'
+    addons:
+      firefox: "42.0"
+  # [BEHAT] Test 3.0 with additionals in FF
   - php: 5.6
     env: |
-      COMPOSER_FLAGS='--prefer-stable --prefer-lowest'
+      SYMFONY_VERSION=3.0.*
       TEST_SCOPE='javascript'
       SYMFONY_ENVIRONMENT='test'
       SYMFONY__ENABLE_ADDITIONALS='true'
diff --git a/behat.yml.dist b/behat.yml.dist
index 41d2889..86a8018 100644
--- a/behat.yml.dist
+++ b/behat.yml.dist
@@ -8,21 +8,21 @@ default:
         - FeatureContext
         - Behat\MinkExtension\Context\MinkContext
       filters:
-        tags: ~@serverSide&&~@additionals&&~@basic
+        tags: "~@serverSide&&~@additionals&&~@basic"
     javascript_basic:
       paths: [ %paths.base%/tests/Functional/features ]
       contexts:
         - FeatureContext
         - Behat\MinkExtension\Context\MinkContext
       filters:
-        tags: @basic
+        tags: "@basic"
     javascript_additionals:
       paths: [ %paths.base%/tests/Functional/features ]
       contexts:
         - FeatureContext
         - Behat\MinkExtension\Context\MinkContext
       filters:
-        tags: @additionals
+        tags: "@additionals"
     server_side:
       paths: [ %paths.base%/tests/Functional/features ]
       contexts:
@@ -30,7 +30,7 @@ default:
           - serverSide: true
         - Behat\MinkExtension\Context\MinkContext
       filters:
-        tags: ~@clientSide
+        tags: "~@clientSide"
 
   extensions:
     Behat\MinkExtension:
diff --git a/composer.json b/composer.json
index 7f1e3bf..1f9e2a2 100644
--- a/composer.json
+++ b/composer.json
@@ -5,20 +5,21 @@
     "description": "Jquery form validation bundle for symfony 2",
     "require": {
         "php": ">=5.3.3",
-        "symfony/framework-bundle": "~2.3",
-        "symfony/dependency-injection": "~2.3",
-        "symfony/form": "~2.3, >=2.3.4",
-        "symfony/validator": "~2.3",
-        "symfony/twig-bundle": "~2.3",
-        "symfony/twig-bridge": "~2.3",
+        "symfony/framework-bundle": "~2.3|~3.0",
+        "symfony/dependency-injection": "~2.3|~3.0",
+        "symfony/form": "~2.3, >=2.3.5|~3.0",
+        "symfony/validator": "~2.3|~3.0",
+        "symfony/twig-bundle": "~2.3|~3.0",
+        "symfony/twig-bridge": "~2.3|~3.0",
         "twig/twig": "~1.14, >=1.14.2",
         "doctrine/collections": "~1.0"
     },
     "require-dev": {
-        "symfony/browser-kit": "~2.3",
-        "symfony/dom-crawler": "~2.3",
-        "symfony/finder": "~2.3",
-        "symfony/yaml": "~2.3",
+        "symfony/browser-kit": "~2.3|~3.0",
+        "symfony/dom-crawler": "~2.3|~3.0",
+        "symfony/finder": "~2.3|~3.0",
+        "symfony/yaml": "~2.3|~3.0",
+        "symfony/css-selector": "~2.3|~3.0",
 
         "phpunit/phpunit": "~4.7@stable",
         "symfony/phpunit-bridge": "~2.7@stable",
@@ -46,5 +47,6 @@
             "Tests\\Boekkooi\\Bundle\\JqueryValidationBundle\\": "tests/"
         }
     },
+    "prefer-stable": true,
     "minimum-stability": "dev"
 }
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index 6855f4d..e73d781 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -2,7 +2,6 @@
 
 <phpunit colors="true" bootstrap="tests/bootstrap.php">
     <php>
-        <ini name="error_reporting" value="-1"/>
         <server name="KERNEL_DIR" value="tests/Functional/app" />
     </php>
 
diff --git a/src/Form/Extension/ButtonTypeExtension.php b/src/Form/Extension/ButtonTypeExtension.php
index 0ae664b..74dbe02 100644
--- a/src/Form/Extension/ButtonTypeExtension.php
+++ b/src/Form/Extension/ButtonTypeExtension.php
@@ -5,6 +5,7 @@
 use Boekkooi\Bundle\JqueryValidationBundle\Form\Util\FormHelper;
 use Symfony\Component\Form\AbstractTypeExtension;
 use Symfony\Component\Form\ClickableInterface;
+use Symfony\Component\Form\Extension\Core\Type\ButtonType;
 use Symfony\Component\Form\FormInterface;
 use Symfony\Component\Form\FormView;
 
@@ -35,7 +36,7 @@ public function buildView(FormView $view, FormInterface $form, array $options)
      */
     public function getExtendedType()
     {
-        return 'button';
+        return FormHelper::isSymfony3Compatible() ? ButtonType::class : 'button';
     }
 
     protected function hasRuleBuilderContext(FormView $view)
diff --git a/src/Form/Extension/FormTypeExtension.php b/src/Form/Extension/FormTypeExtension.php
index 203eb89..e59ff42 100644
--- a/src/Form/Extension/FormTypeExtension.php
+++ b/src/Form/Extension/FormTypeExtension.php
@@ -10,6 +10,7 @@
 use Boekkooi\Bundle\JqueryValidationBundle\Form\Util\FormHelper;
 use Boekkooi\Bundle\JqueryValidationBundle\Validator\ConstraintCollection;
 use Symfony\Component\Form\AbstractTypeExtension;
+use Symfony\Component\Form\Extension\Core\Type\FormType;
 use Symfony\Component\Form\FormInterface;
 use Symfony\Component\Form\FormView;
 use Symfony\Component\OptionsResolver\OptionsResolver;
@@ -150,7 +151,7 @@ public function configureOptions(OptionsResolver $resolver)
      */
     public function getExtendedType()
     {
-        return 'form';
+        return FormHelper::isSymfony3Compatible() ? 'Symfony\Component\Form\Extension\Core\Type\FormType' : 'form';
     }
 
     /**
diff --git a/src/Form/FormDataConstraintFinder.php b/src/Form/FormDataConstraintFinder.php
index a510b2a..70b35ed 100644
--- a/src/Form/FormDataConstraintFinder.php
+++ b/src/Form/FormDataConstraintFinder.php
@@ -9,7 +9,7 @@
 use Symfony\Component\Validator\Mapping\CascadingStrategy;
 use Symfony\Component\Validator\Mapping\ClassMetadata;
 use Symfony\Component\Validator\Mapping\MemberMetadata;
-use Symfony\Component\Validator\MetadataFactoryInterface;
+use Symfony\Component\Validator\Mapping\Factory\MetadataFactoryInterface;
 
 /**
  * @author Warnar Boekkooi <warnar@boekkooi.net>
@@ -21,8 +21,19 @@ class FormDataConstraintFinder
      */
     private $metadataFactory;
 
-    public function __construct(MetadataFactoryInterface $metadataFactory)
+    /**
+     * Constructor.
+     * @param MetadataFactoryInterface $metadataFactory
+     */
+    public function __construct($metadataFactory)
     {
+        if (
+            !$metadataFactory instanceof MetadataFactoryInterface &&
+            !$metadataFactory instanceof \Symfony\Component\Validator\MetadataFactoryInterface
+        ) {
+            throw new \InvalidArgumentException('metadataFactory must be a instanceof MetadataFactoryInterface');
+        }
+
         $this->metadataFactory = $metadataFactory;
     }
 
@@ -177,7 +188,7 @@ private function resolveDataClass(FormInterface $form)
 
         // Now locate the closest data class
         // TODO what is the length really for?
-        for ($i = $propertyPath->getLength(); $i != 0; $i--) {
+        for ($i = $propertyPath->getLength(); $i !== 0; $i--) {
             $dataForm = $dataForm->getParent();
 
             # When a data class is found then use that form
@@ -296,7 +307,7 @@ protected function findPropertyDataTypeInfo(MemberMetadata $propertyMetadata, $d
             }
 
             $type = strtolower($constraint->type);
-            $type = $type == 'boolean' ? 'bool' : $constraint->type;
+            $type = $type === 'boolean' ? 'bool' : $constraint->type;
             $isFunction = 'is_' . $type;
             $ctypeFunction = 'ctype_' . $type;
             if (function_exists($isFunction) || function_exists($ctypeFunction)) {
diff --git a/src/Form/Rule/Mapping/MaxLengthRule.php b/src/Form/Rule/Mapping/MaxLengthRule.php
index ab927fa..36d9d92 100644
--- a/src/Form/Rule/Mapping/MaxLengthRule.php
+++ b/src/Form/Rule/Mapping/MaxLengthRule.php
@@ -48,7 +48,13 @@ public function supports(Constraint $constraint, FormInterface $form)
             return false;
         }
 
-        return !($constraintClass === 'Symfony\Component\Validator\Constraints\Length' && $this->isType($form, 'choice'));
+        return !(
+            $constraintClass === 'Symfony\Component\Validator\Constraints\Length' &&
+            (FormHelper::isSymfony3Compatible() ?
+                $this->isType($form, 'Symfony\Component\Form\Extension\Core\Type\ChoiceType') :
+                $this->isType($form, 'choice')
+            )
+        );
     }
 
     protected function isType(FormInterface $type, $typeName)
diff --git a/src/Form/Rule/Mapping/MinLengthRule.php b/src/Form/Rule/Mapping/MinLengthRule.php
index 96ef441..162ab34 100644
--- a/src/Form/Rule/Mapping/MinLengthRule.php
+++ b/src/Form/Rule/Mapping/MinLengthRule.php
@@ -7,8 +7,11 @@
 use Boekkooi\Bundle\JqueryValidationBundle\Form\RuleCollection;
 use Boekkooi\Bundle\JqueryValidationBundle\Form\RuleMessage;
 use Boekkooi\Bundle\JqueryValidationBundle\Form\Util\FormHelper;
+use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
 use Symfony\Component\Form\FormInterface;
 use Symfony\Component\Validator\Constraint;
+use Symfony\Component\Validator\Constraints\Choice;
+use Symfony\Component\Validator\Constraints\Length;
 
 /**
  * @author Warnar Boekkooi <warnar@boekkooi.net>
@@ -48,7 +51,13 @@ public function supports(Constraint $constraint, FormInterface $form)
             return false;
         }
 
-        return !($constraintClass === 'Symfony\Component\Validator\Constraints\Length' && $this->isType($form, 'choice'));
+        return !(
+            $constraintClass === 'Symfony\Component\Validator\Constraints\Length' &&
+            (FormHelper::isSymfony3Compatible() ?
+                $this->isType($form, 'Symfony\Component\Form\Extension\Core\Type\ChoiceType') :
+                $this->isType($form, 'choice')
+            )
+        );
     }
 
     protected function isType(FormInterface $type, $typeName)
diff --git a/src/Form/Util/FormHelper.php b/src/Form/Util/FormHelper.php
index 7763af5..23a5b96 100644
--- a/src/Form/Util/FormHelper.php
+++ b/src/Form/Util/FormHelper.php
@@ -14,12 +14,33 @@
  */
 final class FormHelper
 {
+    public static function isSymfony3Compatible()
+    {
+        return method_exists('Symfony\Component\Form\AbstractType', 'getBlockPrefix');
+    }
+
+    public static function isSymfony2Compatible()
+    {
+        return method_exists('Symfony\Component\Form\ResolvedFormTypeInterface', 'getName');
+    }
+
     public static function isType(ResolvedFormTypeInterface $type, $typeName)
     {
         do {
-            if ($type->getName() === $typeName) {
+            if (
+                self::isSymfony3Compatible() &&
+                get_class($type->getInnerType()) === $typeName
+            ) {
                 return true;
             }
+
+            if (
+                self::isSymfony2Compatible() &&
+                $type->getName() === $typeName
+            ) {
+                return true;
+            }
+
             $type = $type->getParent();
         } while ($type !== null);
 
diff --git a/src/Resources/config/services.yml b/src/Resources/config/services.yml
index 0d8d64a..954c2aa 100644
--- a/src/Resources/config/services.yml
+++ b/src/Resources/config/services.yml
@@ -11,17 +11,17 @@ services:
   boekkooi.jquery_validation.form.form_extension:
     class: %boekkooi.jquery_validation.form.form_extension.class%
     arguments:
-      - @boekkooi.jquery_validation.rule_processor
-      - @boekkooi.jquery_validation.rule_compiler
-      - @boekkooi.jquery_validation.constraint_finder
+      - "@boekkooi.jquery_validation.rule_processor"
+      - "@boekkooi.jquery_validation.rule_compiler"
+      - "@boekkooi.jquery_validation.constraint_finder"
       - %boekkooi.jquery_validation.enabled%
     tags:
-      - { name: form.type_extension, alias: form }
+      - { name: form.type_extension, alias: form, extended_type: Symfony\Component\Form\Extension\Core\Type\FormType }
 
   boekkooi.jquery_validation.form.button_extension:
     class: %boekkooi.jquery_validation.form.button_extension.class%
     tags:
-      - { name: form.type_extension, alias: button }
+      - { name: form.type_extension, alias: button, extended_type: Symfony\Component\Form\Extension\Core\Type\ButtonType }
 
   boekkooi.jquery_validation.rule_processor:
     class: %boekkooi.jquery_validation.rule_processor.class%
@@ -36,4 +36,4 @@ services:
   boekkooi.jquery_validation.constraint_finder:
     class: %boekkooi.jquery_validation.constraint_finder.class%
     arguments:
-      - @validator.mapping.class_metadata_factory
+      - "@validator.mapping.class_metadata_factory"