diff --git a/.editorconfig b/.editorconfig
index dca0534c..b2621ff9 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -1,3 +1,7 @@
+# DO NOT EDIT THIS FILE!
+#
+# It's auto-generated by sonata-project/dev-kit package.
+
 root = true
 
 [*]
diff --git a/.flintci.yml b/.flintci.yml
index 8258ef2e..0de2252f 100644
--- a/.flintci.yml
+++ b/.flintci.yml
@@ -1,3 +1,7 @@
+# DO NOT EDIT THIS FILE!
+#
+# It's auto-generated by sonata-project/dev-kit package.
+
 services:
   composernormalize: true
   phpcsfixer: true
diff --git a/.gitattributes b/.gitattributes
index 667b29d7..14d001e6 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,3 +1,7 @@
+# DO NOT EDIT THIS FILE!
+#
+# It's auto-generated by sonata-project/dev-kit package.
+
 .* export-ignore
 *.md export-ignore
 tests export-ignore
diff --git a/.github/ISSUE_TEMPLATE.md b/.github/ISSUE_TEMPLATE.md
deleted file mode 100644
index fc2a27c6..00000000
--- a/.github/ISSUE_TEMPLATE.md
+++ /dev/null
@@ -1,52 +0,0 @@
-<!--
-    Before you open an issue, make sure this one does not already exist.
-    Please also read the "guidelines for contributing" link above before posting.
--->
-
-<!--
-    If you are reporting a bug, please try to fill in the following.
-    Otherwise remove it.
--->
-
-### Environment
-
-#### Sonata packages
-
-```
-$ composer show --latest 'sonata-project/*'
-# Put the result here.
-```
-
-#### Symfony packages
-
-```
-$ composer show --latest 'symfony/*'
-# Put the result here.
-```
-
-#### PHP version
-
-```
-$ php -v
-# Put the result here.
-```
-
-## Subject
-
-<!--
-    Give here as many details as possible.
-    Next sections are for ERRORS only.
--->
-
-## Steps to reproduce
-
-## Expected results
-
-## Actual results
-
-<!--
-    If it's an error message or piece of code, use code block tags,
-    and make sure you provide the whole stack trace(s),
-    not just the first error message you can see.
-    More details here: https://github.com/sonata-project/SonataIntlBundle/blob/2.x/CONTRIBUTING.md#issues
--->
diff --git a/.github/ISSUE_TEMPLATE/Question.md b/.github/ISSUE_TEMPLATE/Question.md
deleted file mode 100644
index e363f8e5..00000000
--- a/.github/ISSUE_TEMPLATE/Question.md
+++ /dev/null
@@ -1,7 +0,0 @@
----
-name: ⛔ NO support questions
-about: If you have a question, please check out our Slack or StackOverflow!
----
-
-Hi, we try to keep Github issues for bug reports and feature requests only.
-If you have a question, please ask it on Stack Overflow or on #sonata on [the symfony-devs slack](https://symfony.com/slack-invite).
diff --git a/.github/ISSUE_TEMPLATE/config.yml b/.github/ISSUE_TEMPLATE/config.yml
new file mode 100644
index 00000000..7876e7c9
--- /dev/null
+++ b/.github/ISSUE_TEMPLATE/config.yml
@@ -0,0 +1,12 @@
+# DO NOT EDIT THIS FILE!
+#
+# It's auto-generated by sonata-project/dev-kit package.
+
+blank_issues_enabled: false
+contact_links:
+  - name: StackOverflow
+    url: https://stackoverflow.com/questions/tagged/sonata
+    about: 'Questions tagged with "sonata" on StackOverflow'
+  - name: Slack
+    url: https://symfony-devs.slack.com/archives/C3GC7MKM5
+    about: '#sonata channel on Symfony Devs Slack'
diff --git a/.github/workflows/lint.yaml b/.github/workflows/lint.yaml
index ee088834..0e4647bc 100644
--- a/.github/workflows/lint.yaml
+++ b/.github/workflows/lint.yaml
@@ -1,3 +1,7 @@
+# DO NOT EDIT THIS FILE!
+#
+# It's auto-generated by sonata-project/dev-kit package.
+
 on: [push, pull_request]
 
 name: Lint
diff --git a/.github/workflows/stale.yaml b/.github/workflows/stale.yaml
index dd4acf6e..9679ec46 100644
--- a/.github/workflows/stale.yaml
+++ b/.github/workflows/stale.yaml
@@ -1,3 +1,7 @@
+# DO NOT EDIT THIS FILE!
+#
+# It's auto-generated by sonata-project/dev-kit package.
+
 # https://github.com/actions/stale
 
 name: "Stale"
diff --git a/.php_cs.dist b/.php_cs.dist
index 47f50fea..6f7ff02b 100644
--- a/.php_cs.dist
+++ b/.php_cs.dist
@@ -1,6 +1,6 @@
 <?php
 
-/**
+/*
  * DO NOT EDIT THIS FILE!
  *
  * It's auto-generated by sonata-project/dev-kit package.
diff --git a/.travis.yml b/.travis.yml
index a84a145e..5a81812d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -37,7 +37,7 @@ matrix:
     - php: '7.3'
       env: SYMFONY=5.1.*
     - php: '7.3'
-      env: SYMFONY='dev-master as 4.4.x-dev'
+      env: SYMFONY='dev-master as 5.1.x-dev'
     - php: '7.3'
       env: SONATA_USER=4.*
     - php: '7.3'
@@ -47,7 +47,7 @@ matrix:
   allow_failures:
     - php: nightly
     - env: SYMFONY_DEPRECATIONS_HELPER=0
-    - env: SYMFONY='dev-master as 4.4.x-dev'
+    - env: SYMFONY='dev-master as 5.1.x-dev'
     - env: SONATA_USER='dev-master as 4.x-dev'
 
 before_install:
diff --git a/.travis/after_success_test.sh b/.travis/after_success_test.sh
index 87158518..ef9cea09 100755
--- a/.travis/after_success_test.sh
+++ b/.travis/after_success_test.sh
@@ -1,4 +1,9 @@
 #!/usr/bin/env sh
+
+# DO NOT EDIT THIS FILE!
+#
+# It's auto-generated by sonata-project/dev-kit package.
+
 set -ev
 
 coveralls -v
diff --git a/.travis/before_install_test.sh b/.travis/before_install_test.sh
index 13c4beb9..79519d77 100755
--- a/.travis/before_install_test.sh
+++ b/.travis/before_install_test.sh
@@ -1,4 +1,9 @@
 #!/usr/bin/env bash
+
+# DO NOT EDIT THIS FILE!
+#
+# It's auto-generated by sonata-project/dev-kit package.
+
 set -ev
 
 PHP_INI_DIR="$HOME/.phpenv/versions/$(phpenv version-name)/etc/conf.d/"
diff --git a/.travis/before_script_test.sh b/.travis/before_script_test.sh
index 61e55240..74788e5d 100755
--- a/.travis/before_script_test.sh
+++ b/.travis/before_script_test.sh
@@ -1,4 +1,9 @@
 #!/usr/bin/env bash
+
+# DO NOT EDIT THIS FILE!
+#
+# It's auto-generated by sonata-project/dev-kit package.
+
 set -ev
 
 if [ -f .travis/before_script_test.local.sh ]
diff --git a/.travis/check_relevant_test.sh b/.travis/check_relevant_test.sh
index a4ad2903..6fa88cb6 100755
--- a/.travis/check_relevant_test.sh
+++ b/.travis/check_relevant_test.sh
@@ -1,4 +1,9 @@
 #!/usr/bin/env bash
+
+# DO NOT EDIT THIS FILE!
+#
+# It's auto-generated by sonata-project/dev-kit package.
+
 set -ev
 
 RELEVANT_FILES=$(git diff --name-only HEAD upstream/${TRAVIS_BRANCH} -- '*.php' '*.yml' '*.xml' '*.twig' '*.js' '*.css' '*.json')
diff --git a/.travis/install_test.sh b/.travis/install_test.sh
index c02c107c..70324c80 100755
--- a/.travis/install_test.sh
+++ b/.travis/install_test.sh
@@ -1,4 +1,9 @@
 #!/usr/bin/env sh
+
+# DO NOT EDIT THIS FILE!
+#
+# It's auto-generated by sonata-project/dev-kit package.
+
 set -ev
 
 mkdir --parents "${HOME}/bin"
diff --git a/.yamllint b/.yamllint
index 228b748a..c4a9cdb4 100644
--- a/.yamllint
+++ b/.yamllint
@@ -1,3 +1,7 @@
+# DO NOT EDIT THIS FILE!
+#
+# It's auto-generated by sonata-project/dev-kit package.
+
 extends: default
 
 rules:
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 5321e6cc..833d91d1 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -1,3 +1,9 @@
+<!--
+DO NOT EDIT THIS FILE!
+
+It's auto-generated by sonata-project/dev-kit package.
+-->
+
 # Sonata project contribution
 
 Thanks for your interest in Sonata projects!
diff --git a/README.md b/README.md
index 0a7768db..34a0cbff 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,9 @@
+<!--
+DO NOT EDIT THIS FILE!
+
+It's auto-generated by sonata-project/dev-kit package.
+-->
+
 # Sonata Intl Bundle
 
 Symfony SonataIntlBundle
diff --git a/docs/.doctor-rst.yaml b/docs/.doctor-rst.yaml
index 29257eb9..641228cd 100644
--- a/docs/.doctor-rst.yaml
+++ b/docs/.doctor-rst.yaml
@@ -1,3 +1,7 @@
+# DO NOT EDIT THIS FILE!
+#
+# It's auto-generated by sonata-project/dev-kit package.
+
 rules:
     blank_line_after_directive: ~
     short_array_syntax: ~
diff --git a/docs/conf.py b/docs/conf.py
index 66f99f3e..06259a69 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -1,5 +1,9 @@
 # -*- coding: utf-8 -*-
+
+# DO NOT EDIT THIS FILE!
 #
+# It's auto-generated by sonata-project/dev-kit package.
+
 # IoC documentation build configuration file, created by
 # sphinx-quickstart on Fri Mar 29 01:43:00 2013.
 #
@@ -44,7 +48,7 @@
 master_doc = 'index'
 
 # General information about the project.
-project = u''
+project = u'Sonata Intl Bundle'
 copyright = u'2010-2019, Thomas Rabaix'
 
 # The version info for the project you're documenting, acts as replacement for
diff --git a/docs/requirements.txt b/docs/requirements.txt
index a86ef50a..ee596d3c 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,6 +1,7 @@
 # DO NOT EDIT THIS FILE!
 #
 # It's auto-generated by sonata-project/dev-kit package.
+
 Sphinx==1.8.5
 git+https://github.com/fabpot/sphinx-php.git
 sphinx_rtd_theme
diff --git a/tests/autoload.php.dist b/tests/autoload.php.dist
index cbba4048..3a2b7e86 100644
--- a/tests/autoload.php.dist
+++ b/tests/autoload.php.dist
@@ -1,5 +1,11 @@
 <?php
 
+/*
+ * DO NOT EDIT THIS FILE!
+ *
+ * It's auto-generated by sonata-project/dev-kit package.
+ */
+
 // if the bundle is within a symfony project, try to reuse the project's autoload
 
 $files = [
diff --git a/tests/bootstrap.php b/tests/bootstrap.php
index 2f104d78..4c57296a 100644
--- a/tests/bootstrap.php
+++ b/tests/bootstrap.php
@@ -11,6 +11,12 @@
  * file that was distributed with this source code.
  */
 
+/*
+ * DO NOT EDIT THIS FILE!
+ *
+ * It's auto-generated by sonata-project/dev-kit package.
+ */
+
 /*
  * fix encoding issue while running text on different host with different locale configuration
  */