diff --git a/.drone.yml b/.drone.yml
index 73b1b7a86..bbdcbaa52 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -22,6 +22,42 @@ pipeline:
     when:
       matrix:
         TESTS: check-app-compatbility
+  check-app-compatbility-12:
+    image: nextcloudci/php7.0:php7.0-17
+    environment:
+      - APP_NAME=deck
+      - CORE_BRANCH=stable12
+      - DB=sqlite
+    commands:
+      # Pre-setup steps
+      - wget https://raw.githubusercontent.com/nextcloud/travis_ci/master/before_install.sh
+      - bash ./before_install.sh $APP_NAME $CORE_BRANCH $DB
+      - cd ../server
+      # Code checker
+      - ./occ app:check-code $APP_NAME -c strong-comparison
+      - ./occ app:check-code $APP_NAME -c deprecation
+      - cd apps/$APP_NAME/
+    when:
+      matrix:
+        TESTS: check-app-compatbility-13
+  check-app-compatbility-12:
+    image: nextcloudci/php7.0:php7.0-17
+    environment:
+      - APP_NAME=deck
+      - CORE_BRANCH=stable12
+      - DB=sqlite
+    commands:
+      # Pre-setup steps
+      - wget https://raw.githubusercontent.com/nextcloud/travis_ci/master/before_install.sh
+      - bash ./before_install.sh $APP_NAME $CORE_BRANCH $DB
+      - cd ../server
+      # Code checker
+      - ./occ app:check-code $APP_NAME -c strong-comparison
+      - ./occ app:check-code $APP_NAME -c deprecation
+      - cd apps/$APP_NAME/
+    when:
+      matrix:
+        TESTS: check-app-compatbility-12
   signed-off-check:
     image: nextcloudci/php7.0:php7.0-17
     environment:
@@ -194,6 +230,8 @@ pipeline:
 matrix:
   include:
     - TESTS: check-app-compatbility
+    - TESTS: check-app-compatbility-12
+    - TESTS: check-app-compatbility-13
     - TESTS: signed-off-check
     - TESTS: syntax-php5.6
     - TESTS: syntax-php7.0
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 77eebc338..92dc70c47 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,7 @@
 # Changelog
 All notable changes to this project will be documented in this file.
 
-## 0.4.0 - unreleased
+## 0.4.0 - 2018-07-11
 
 ### Added
 
diff --git a/appinfo/info.xml b/appinfo/info.xml
index 4c9d7b69e..eb0bb642d 100644
--- a/appinfo/info.xml
+++ b/appinfo/info.xml
@@ -14,7 +14,7 @@
 - 🚀 Get your project organized
 
 </description>
-    <version>0.4.0-beta5</version>
+    <version>0.4.0</version>
     <licence>agpl</licence>
     <author>Julius Härtl</author>
     <namespace>Deck</namespace>