diff --git a/.bashrc b/.bashrc
index c9cef09..062053e 100644
--- a/.bashrc
+++ b/.bashrc
@@ -45,6 +45,7 @@ alias ml4w='~/dotfiles/apps/ML4W_Welcome-x86_64.AppImage'
 alias ml4w-settings='~/dotfiles/apps/ML4W_Dotfiles_Settings-x86_64.AppImage'
 alias ml4w-sidebar='~/dotfiles/eww/ml4w-sidebar/launch.sh'
 alias ml4w-hyprland='~/dotfiles/apps/ML4W_Hyprland_Settings-x86_64.AppImage'
+alias ml4w-diagnosis='~/dotfiles/scripts/diagnosis.sh'
 
 # -----------------------------------------------------
 # Window Managers
diff --git a/.version/name b/.version/name
index aea0839..0a35d8c 100644
--- a/.version/name
+++ b/.version/name
@@ -1 +1 @@
-2.9RC3
\ No newline at end of file
+2.9
\ No newline at end of file
diff --git a/CHANGELOG b/CHANGELOG
index 8978dfd..bb361da 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -10,6 +10,7 @@ https://gitlab.com/stephan-raabe/dotfiles/-/releases/2.9
 - Animations can be toggled (enabled/disabled) temporarily with SUPER + SHIFT + A
 - Keyboard layout is part of the system information module of waybar
 - nm-applet can be started from the ML4W Welcome App menu Settings/System
+- New diagnosis features checks that essential command are available. Enter ml4w-diagnosis in a terminal or from the ML4W Welcome App
 
 Version 2.8.4
 https://gitlab.com/stephan-raabe/dotfiles/-/releases/2.8.4
diff --git a/apps/ML4W_Hyprland_Settings-x86_64.AppImage b/apps/ML4W_Hyprland_Settings-x86_64.AppImage
index 51bf938..f8e23e3 100755
Binary files a/apps/ML4W_Hyprland_Settings-x86_64.AppImage and b/apps/ML4W_Hyprland_Settings-x86_64.AppImage differ
diff --git a/eww/ml4w-sidebar/eww.yuck b/eww/ml4w-sidebar/eww.yuck
index 34f7254..551c73b 100644
--- a/eww/ml4w-sidebar/eww.yuck
+++ b/eww/ml4w-sidebar/eww.yuck
@@ -63,7 +63,7 @@
 
 (defwidget close [] 
     (box :class "winbox"
-        (button :tooltip "Logout" :style "background-image: url('../assets/window-close-symbolic.svg');" :class "closeicon" :valign "center" :halign "center" :onclick "../scripts/eww.sh &")
+        (button :tooltip "Close" :style "background-image: url('../assets/window-close-symbolic.svg');" :class "closeicon" :valign "center" :halign "center" :onclick "../scripts/eww.sh &")
     )
 )
 
diff --git a/scripts/diagnosis.sh b/scripts/diagnosis.sh
index ee766c9..3407a9c 100755
--- a/scripts/diagnosis.sh
+++ b/scripts/diagnosis.sh
@@ -3,7 +3,8 @@ clear
 sleep 0.5
 figlet "Diagnosis"
 echo
-echo "This script will check if some core packages are available on your system."
+echo "This script will check that essential packages and "
+echo "execution commands are available on your system."
 echo
 
 _commandExists() {
@@ -27,10 +28,17 @@ _folderExists() {
 _commandExists "rofi"
 _commandExists "dunst"
 _commandExists "waybar"
-_commandExists "swww"
+_commandExists "hyprpaper"
+_commandExists "hyprlock"
+_commandExists "hypridle"
 _commandExists "wal"
 _commandExists "gum"
 _commandExists "wlogout"
+_commandExists "wal"
+_commandExists "swww"
+_commandExists "eww"
+_commandExists "magick"
+_commandExists "figlet"
 
 echo
 echo "Press return to close the window"