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 6a199f9..013e263 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\MyPrivate\Admin\Install
  * @copyright Dennis Eichhorn
diff --git a/Admin/Installer.php b/Admin/Installer.php
index e3bd31d..4795d5e 100755
--- a/Admin/Installer.php
+++ b/Admin/Installer.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Modules\MyPrivate\Admin
  * @copyright Dennis Eichhorn
diff --git a/Admin/Routes/Web/Backend.php b/Admin/Routes/Web/Backend.php
index 298429f..01ce453 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/Status.php b/Admin/Status.php
index c9b7724..6e5cf3d 100755
--- a/Admin/Status.php
+++ b/Admin/Status.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Modules\MyPrivate\Admin
  * @copyright Dennis Eichhorn
diff --git a/Admin/Uninstaller.php b/Admin/Uninstaller.php
index 823d391..91923c6 100755
--- a/Admin/Uninstaller.php
+++ b/Admin/Uninstaller.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Modules\MyPrivate\Admin
  * @copyright Dennis Eichhorn
diff --git a/Admin/Updater.php b/Admin/Updater.php
index 06e23f2..9e6872f 100755
--- a/Admin/Updater.php
+++ b/Admin/Updater.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Modules\MyPrivate\Admin
  * @copyright Dennis Eichhorn
diff --git a/Controller/BackendController.php b/Controller/BackendController.php
index cd443b7..cae8cd7 100755
--- a/Controller/BackendController.php
+++ b/Controller/BackendController.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Modules\MyPrivate
  * @copyright Dennis Eichhorn
diff --git a/Controller/Controller.php b/Controller/Controller.php
index c50c351..d8855ef 100755
--- a/Controller/Controller.php
+++ b/Controller/Controller.php
@@ -2,7 +2,7 @@
 /**
  * Karaka
  *
- * PHP Version 8.0
+ * PHP Version 8.1
  *
  * @package   Modules\MyPrivate
  * @copyright Dennis Eichhorn
diff --git a/Theme/Backend/Lang/Navigation.ar.lang.php b/Theme/Backend/Lang/Navigation.ar.lang.php
index b0290f8..2db7455 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 790c7a2..75262f3 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 1b7335c..4756c39 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 67f8316..eb3c263 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 c506dea..83c279d 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 4de4d54..f0bb010 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 0f52874..709b074 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 0f2d3fb..b7df6ff 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 5f3b7ad..90bbc00 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 d675b27..64503e2 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 1f717b9..00f09dd 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 bf3f239..bee942d 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 e801735..7bead31 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 1b7335c..4756c39 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 c8684fc..fe90e78 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 0f52874..709b074 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 da5aa53..396ba3b 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 1b7335c..4756c39 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 a10004c..5e58294 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 f1f747d..c3f2c88 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 d18a3fa..febb357 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 5e09f57..b87c689 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 d3eab24..7587cd1 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