diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 3bb205d..01f0653 100755
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -284,8 +284,6 @@ jobs:
         if [[ $(find ./ -name "*tpl.php" | xargs grep -P '(style=)') -ne "" ]]; then exit 1; fi
         if [[ $(find ./ -name "*tpl.php" | xargs grep -P '(value|title|alt|aria\-label)(=\")((?!\<\?).)*(>)') -ne "" ]]; then exit 1; fi
         if [[ $(find ./ -name "*tpl.php" | xargs grep -P '(\<td\>|\<th\>|\<caption\>|\<label.*?(\"|l)\>)) -ne "" ]]; then exit 1; fi
-    - name: Js strict
-      run: if [[ $(grep -r -L "\"use strict\";" --include=*.js ./) -ne "" ]]; then exit 1; fi
     - name: Js inspection
       run: |
         if [[ $(grep -rlni "onafterprint=\|onbeforeprint=\|onbeforeunload=\|onerror=\|onhaschange=\|onload=\|onmessage=\|onoffline=\|ononline=\|onpagehide=\|onpageshow=\|onpopstate=\|onredo=\|onresize=\|onstorage=\|onund=o\|onunload=\|onblur=\|onchage=\|oncontextmenu=\|onfocus=\|onformchange=\|onforminput=\|oninput=\|oninvalid=\|onreset=\|onselect=\|onsubmit=\|onkeydown=\|onkeypress=\|onkeyup=\|onclick=\|ondblclic=k\|ondrag=\|ondragend=\|ondragenter=\|ondragleave=\|ondragover=\|ondragstart=\|ondrop=\|onmousedown=\|onmousemove=\|onmouseout=\|onmouseover=\|onmouseup=\|onmousewheel=\|onscroll=\|onabor=t\|oncanplay=\|oncanplaythrough=\|ondurationchange=\|onemptied=\|onended=\|onerror=\|onloadeddata=\|onloadedmetadata=\|onloadstart=\|onpause=\|onplay=\|onplaying=\|onprogress=\|onratechange=\|onreadystatechange=\|onseeked=\|onseeking=\|onstalled=\|onsuspend=\|ontimeupdate=\|onvolumechange=" --include=*.js ./) -ne "" ]]; then exit 1; fi
diff --git a/Admin/Install/Navigation.php b/Admin/Install/Navigation.php
index 9f1082f..8c56874 100755
--- a/Admin/Install/Navigation.php
+++ b/Admin/Install/Navigation.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Modules\Home\Admin\Install
  * @copyright Dennis Eichhorn
diff --git a/Admin/Installer.php b/Admin/Installer.php
index 3a2bbaa..1f12893 100755
--- a/Admin/Installer.php
+++ b/Admin/Installer.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Modules\Home\Admin
  * @copyright Dennis Eichhorn
diff --git a/Admin/Routes/Web/Backend.php b/Admin/Routes/Web/Backend.php
index 6d1792c..0614ac6 100755
--- a/Admin/Routes/Web/Backend.php
+++ b/Admin/Routes/Web/Backend.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Modules
  * @copyright Dennis Eichhorn
diff --git a/Admin/Settings/Theme/Backend/settings.tpl.php b/Admin/Settings/Theme/Backend/settings.tpl.php
index ca06e2a..ddec0a8 100644
--- a/Admin/Settings/Theme/Backend/settings.tpl.php
+++ b/Admin/Settings/Theme/Backend/settings.tpl.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Modules\Admin\Models
  * @copyright Dennis Eichhorn
diff --git a/Admin/Status.php b/Admin/Status.php
index f239e7f..a78c110 100755
--- a/Admin/Status.php
+++ b/Admin/Status.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Modules\Home\Admin
  * @copyright Dennis Eichhorn
diff --git a/Admin/Uninstaller.php b/Admin/Uninstaller.php
index 72a3e57..ec40084 100755
--- a/Admin/Uninstaller.php
+++ b/Admin/Uninstaller.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Modules\Home\Admin
  * @copyright Dennis Eichhorn
diff --git a/Admin/Updater.php b/Admin/Updater.php
index 8835ae1..4f0e183 100755
--- a/Admin/Updater.php
+++ b/Admin/Updater.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Modules\Home\Admin
  * @copyright Dennis Eichhorn
diff --git a/Controller/BackendController.php b/Controller/BackendController.php
index d037415..f015e38 100755
--- a/Controller/BackendController.php
+++ b/Controller/BackendController.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Modules\Home
  * @copyright Dennis Eichhorn
diff --git a/Controller/Controller.php b/Controller/Controller.php
index 15c00d3..43aa60b 100755
--- a/Controller/Controller.php
+++ b/Controller/Controller.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Modules\Home
  * @copyright Dennis Eichhorn
diff --git a/Theme/Backend/Lang/Navigation.ar.lang.php b/Theme/Backend/Lang/Navigation.ar.lang.php
index 92eef69..4ab92ee 100644
--- a/Theme/Backend/Lang/Navigation.ar.lang.php
+++ b/Theme/Backend/Lang/Navigation.ar.lang.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Modules\Localization
  * @copyright Dennis Eichhorn
diff --git a/Theme/Backend/Lang/Navigation.cs.lang.php b/Theme/Backend/Lang/Navigation.cs.lang.php
index 93fd442..79c86a2 100644
--- a/Theme/Backend/Lang/Navigation.cs.lang.php
+++ b/Theme/Backend/Lang/Navigation.cs.lang.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Modules\Localization
  * @copyright Dennis Eichhorn
diff --git a/Theme/Backend/Lang/Navigation.da.lang.php b/Theme/Backend/Lang/Navigation.da.lang.php
index 7aed988..5ca072a 100644
--- a/Theme/Backend/Lang/Navigation.da.lang.php
+++ b/Theme/Backend/Lang/Navigation.da.lang.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Modules\Localization
  * @copyright Dennis Eichhorn
diff --git a/Theme/Backend/Lang/Navigation.de.lang.php b/Theme/Backend/Lang/Navigation.de.lang.php
index 4a28ec7..315670d 100644
--- a/Theme/Backend/Lang/Navigation.de.lang.php
+++ b/Theme/Backend/Lang/Navigation.de.lang.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Modules\Localization
  * @copyright Dennis Eichhorn
diff --git a/Theme/Backend/Lang/Navigation.el.lang.php b/Theme/Backend/Lang/Navigation.el.lang.php
index cb80193..2b2fd91 100644
--- a/Theme/Backend/Lang/Navigation.el.lang.php
+++ b/Theme/Backend/Lang/Navigation.el.lang.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Modules\Localization
  * @copyright Dennis Eichhorn
diff --git a/Theme/Backend/Lang/Navigation.en.lang.php b/Theme/Backend/Lang/Navigation.en.lang.php
index 5d57bf3..1b2effb 100644
--- a/Theme/Backend/Lang/Navigation.en.lang.php
+++ b/Theme/Backend/Lang/Navigation.en.lang.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Modules\Localization
  * @copyright Dennis Eichhorn
diff --git a/Theme/Backend/Lang/Navigation.es.lang.php b/Theme/Backend/Lang/Navigation.es.lang.php
index ac9bf72..d9452db 100644
--- a/Theme/Backend/Lang/Navigation.es.lang.php
+++ b/Theme/Backend/Lang/Navigation.es.lang.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Modules\Localization
  * @copyright Dennis Eichhorn
diff --git a/Theme/Backend/Lang/Navigation.fi.lang.php b/Theme/Backend/Lang/Navigation.fi.lang.php
index 19811c9..ebce92f 100644
--- a/Theme/Backend/Lang/Navigation.fi.lang.php
+++ b/Theme/Backend/Lang/Navigation.fi.lang.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Modules\Localization
  * @copyright Dennis Eichhorn
diff --git a/Theme/Backend/Lang/Navigation.fr.lang.php b/Theme/Backend/Lang/Navigation.fr.lang.php
index c946aa9..9a500c7 100644
--- a/Theme/Backend/Lang/Navigation.fr.lang.php
+++ b/Theme/Backend/Lang/Navigation.fr.lang.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Modules\Localization
  * @copyright Dennis Eichhorn
diff --git a/Theme/Backend/Lang/Navigation.hu.lang.php b/Theme/Backend/Lang/Navigation.hu.lang.php
index 853c143..bcbecb6 100644
--- a/Theme/Backend/Lang/Navigation.hu.lang.php
+++ b/Theme/Backend/Lang/Navigation.hu.lang.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Modules\Localization
  * @copyright Dennis Eichhorn
diff --git a/Theme/Backend/Lang/Navigation.it.lang.php b/Theme/Backend/Lang/Navigation.it.lang.php
index ac9bf72..d9452db 100644
--- a/Theme/Backend/Lang/Navigation.it.lang.php
+++ b/Theme/Backend/Lang/Navigation.it.lang.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Modules\Localization
  * @copyright Dennis Eichhorn
diff --git a/Theme/Backend/Lang/Navigation.ja.lang.php b/Theme/Backend/Lang/Navigation.ja.lang.php
index 584367d..671088a 100644
--- a/Theme/Backend/Lang/Navigation.ja.lang.php
+++ b/Theme/Backend/Lang/Navigation.ja.lang.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Modules\Localization
  * @copyright Dennis Eichhorn
diff --git a/Theme/Backend/Lang/Navigation.ko.lang.php b/Theme/Backend/Lang/Navigation.ko.lang.php
index 12c47e3..ac654b4 100644
--- a/Theme/Backend/Lang/Navigation.ko.lang.php
+++ b/Theme/Backend/Lang/Navigation.ko.lang.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Modules\Localization
  * @copyright Dennis Eichhorn
diff --git a/Theme/Backend/Lang/Navigation.no.lang.php b/Theme/Backend/Lang/Navigation.no.lang.php
index 7aed988..5ca072a 100644
--- a/Theme/Backend/Lang/Navigation.no.lang.php
+++ b/Theme/Backend/Lang/Navigation.no.lang.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Modules\Localization
  * @copyright Dennis Eichhorn
diff --git a/Theme/Backend/Lang/Navigation.pl.lang.php b/Theme/Backend/Lang/Navigation.pl.lang.php
index 3948dbd..2a790c2 100644
--- a/Theme/Backend/Lang/Navigation.pl.lang.php
+++ b/Theme/Backend/Lang/Navigation.pl.lang.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Modules\Localization
  * @copyright Dennis Eichhorn
diff --git a/Theme/Backend/Lang/Navigation.pt.lang.php b/Theme/Backend/Lang/Navigation.pt.lang.php
index ac9bf72..d9452db 100644
--- a/Theme/Backend/Lang/Navigation.pt.lang.php
+++ b/Theme/Backend/Lang/Navigation.pt.lang.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Modules\Localization
  * @copyright Dennis Eichhorn
diff --git a/Theme/Backend/Lang/Navigation.ru.lang.php b/Theme/Backend/Lang/Navigation.ru.lang.php
index b7706f2..abe178d 100644
--- a/Theme/Backend/Lang/Navigation.ru.lang.php
+++ b/Theme/Backend/Lang/Navigation.ru.lang.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Modules\Localization
  * @copyright Dennis Eichhorn
diff --git a/Theme/Backend/Lang/Navigation.sv.lang.php b/Theme/Backend/Lang/Navigation.sv.lang.php
index d98b7b5..ef9286f 100644
--- a/Theme/Backend/Lang/Navigation.sv.lang.php
+++ b/Theme/Backend/Lang/Navigation.sv.lang.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Modules\Localization
  * @copyright Dennis Eichhorn
diff --git a/Theme/Backend/Lang/Navigation.th.lang.php b/Theme/Backend/Lang/Navigation.th.lang.php
index b2948ef..6377e6e 100644
--- a/Theme/Backend/Lang/Navigation.th.lang.php
+++ b/Theme/Backend/Lang/Navigation.th.lang.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Modules\Localization
  * @copyright Dennis Eichhorn
diff --git a/Theme/Backend/Lang/Navigation.tr.lang.php b/Theme/Backend/Lang/Navigation.tr.lang.php
index 5ed17de..bb897b2 100644
--- a/Theme/Backend/Lang/Navigation.tr.lang.php
+++ b/Theme/Backend/Lang/Navigation.tr.lang.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Modules\Localization
  * @copyright Dennis Eichhorn
diff --git a/Theme/Backend/Lang/Navigation.uk.lang.php b/Theme/Backend/Lang/Navigation.uk.lang.php
index 5104235..c819ce7 100644
--- a/Theme/Backend/Lang/Navigation.uk.lang.php
+++ b/Theme/Backend/Lang/Navigation.uk.lang.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Modules\Localization
  * @copyright Dennis Eichhorn
diff --git a/Theme/Backend/Lang/Navigation.zh.lang.php b/Theme/Backend/Lang/Navigation.zh.lang.php
index 584367d..671088a 100644
--- a/Theme/Backend/Lang/Navigation.zh.lang.php
+++ b/Theme/Backend/Lang/Navigation.zh.lang.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Modules\Localization
  * @copyright Dennis Eichhorn
diff --git a/tests/Admin/AdminTest.php b/tests/Admin/AdminTest.php
index 92de23d..4c8034c 100755
--- a/tests/Admin/AdminTest.php
+++ b/tests/Admin/AdminTest.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   tests
  * @copyright Dennis Eichhorn
diff --git a/tests/Autoloader.php b/tests/Autoloader.php
index 2a73074..d7fd765 100755
--- a/tests/Autoloader.php
+++ b/tests/Autoloader.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Modules/tests
  * @copyright Dennis Eichhorn