diff --git a/mailcow/src/mailcow-dockerized/generate_config.sh b/mailcow/src/mailcow-dockerized/generate_config.sh
index 67ff3ac..70dc588 100755
--- a/mailcow/src/mailcow-dockerized/generate_config.sh
+++ b/mailcow/src/mailcow-dockerized/generate_config.sh
@@ -16,19 +16,49 @@
   fi
 fi
 
-if grep --help 2>&1 | grep -q -i "busybox"; then
-  echo "BusyBox grep detected, please install gnu grep, \"apk add --no-cache --upgrade grep\""
-  exit 1
-fi
-if cp --help 2>&1 | grep -q -i "busybox"; then
-  echo "BusyBox cp detected, please install coreutils, \"apk add --no-cache --upgrade coreutils\""
-  exit 1
-fi
+if grep --help 2>&1 | head -n 1 | grep -q -i "busybox"; then echo "BusyBox grep detected, please install gnu grep, \"apk add --no-cache --upgrade grep\""; exit 1; fi
+# This will also cover sort
+if cp --help 2>&1 | head -n 1 | grep -q -i "busybox"; then echo "BusyBox cp detected, please install coreutils, \"apk add --no-cache --upgrade coreutils\""; exit 1; fi
+if sed --help 2>&1 | head -n 1 | grep -q -i "busybox"; then echo "BusyBox sed detected, please install gnu sed, \"apk add --no-cache --upgrade sed\""; exit 1; fi
 
-for bin in openssl curl docker-compose docker git awk sha1sum; do
+for bin in openssl curl docker git awk sha1sum; do
   if [[ -z $(which ${bin}) ]]; then echo "Cannot find ${bin}, exiting..."; exit 1; fi
 done
 
+if docker compose > /dev/null 2>&1; then
+    if docker compose version --short | grep "^2." > /dev/null 2>&1; then
+      COMPOSE_VERSION=native
+      echo -e "\e[31mFound Docker Compose Plugin (native).\e[0m"
+      echo -e "\e[31mSetting the DOCKER_COMPOSE_VERSION Variable to native\e[0m"
+      sleep 2
+      echo -e "\e[33mNotice: You´ll have to update this Compose Version via your Package Manager manually!\e[0m"
+    else
+      echo -e "\e[31mCannot find Docker Compose with a Version Higher than 2.X.X.\e[0m" 
+      echo -e "\e[31mPlease update/install it manually regarding to this doc site: https://mailcow.github.io/mailcow-dockerized-docs/i_u_m/i_u_m_install/\e[0m"
+      exit 1
+    fi
+elif docker-compose > /dev/null 2>&1; then
+  if ! [[ $(alias docker-compose 2> /dev/null) ]] ; then
+    if docker-compose version --short | grep "^2." > /dev/null 2>&1; then
+      COMPOSE_VERSION=standalone
+      echo -e "\e[31mFound Docker Compose Standalone.\e[0m"
+      echo -e "\e[31mSetting the DOCKER_COMPOSE_VERSION Variable to standalone\e[0m"
+      sleep 2
+      echo -e "\e[33mNotice: For an automatic update of docker-compose please use the update_compose.sh scripts located at the helper-scripts folder.\e[0m"
+    else
+      echo -e "\e[31mCannot find Docker Compose with a Version Higher than 2.X.X.\e[0m" 
+      echo -e "\e[31mPlease update/install manually regarding to this doc site: https://mailcow.github.io/mailcow-dockerized-docs/i_u_m/i_u_m_install/\e[0m"
+      exit 1
+    fi
+  fi
+
+else
+  echo -e "\e[31mCannot find Docker Compose.\e[0m" 
+  echo -e "\e[31mPlease install it regarding to this doc site: https://mailcow.github.io/mailcow-dockerized-docs/i_u_m/i_u_m_install/\e[0m"
+  exit 1
+fi
+    
+
 if [ -f mailcow.conf ]; then
   read -r -p "A config file exists and will be overwritten, are you sure you want to continue? [y/N] " response
   case $response in
@@ -105,6 +135,32 @@
   SKIP_SOLR=n
 fi
 
+echo "Which branch of mailcow do you want to use?"
+echo ""
+echo "Available Branches:"
+echo "- master branch (stable updates) | default, recommended [1]"
+echo "- nightly branch (unstable updates, testing) | not-production ready [2]"
+sleep 1
+
+while [ -z "${MAILCOW_BRANCH}" ]; do
+  read -r -p  "Choose the Branch with it´s number [1/2] " branch
+  case $branch in
+    [2])
+      MAILCOW_BRANCH="nightly"
+      ;;
+    *)
+      MAILCOW_BRANCH="master"
+    ;;
+  esac
+done
+
+if [ ! -z "${MAILCOW_BRANCH}" ]; then
+  git_branch=${MAILCOW_BRANCH}
+fi
+
+git fetch --all
+git checkout -f $git_branch
+
 [ ! -f ./data/conf/rspamd/override.d/worker-controller-password.inc ] && echo '# Placeholder' > ./data/conf/rspamd/override.d/worker-controller-password.inc
 
 cat << EOF > mailcow.conf
@@ -119,7 +175,7 @@
 
 # Password hash algorithm
 # Only certain password hash algorithm are supported. For a fully list of supported schemes,
-# see https://mailcow.github.io/mailcow-dockerized-docs/model-passwd/
+# see https://mailcow.github.io/mailcow-dockerized-docs/models/model-passwd/
 MAILCOW_PASS_SCHEME=BLF-CRYPT
 
 # ------------------------------
@@ -144,8 +200,8 @@
 # Do _not_ use IP:PORT in HTTP(S)_BIND or HTTP(S)_PORT
 # IMPORTANT: Do not use port 8081, 9081 or 65510!
 # Example: HTTP_BIND=1.2.3.4
-# For IPv4 and IPv6 leave it empty: HTTP_BIND= & HTTPS_PORT=
-# For IPv6 see https://mailcow.github.io/mailcow-dockerized-docs/firststeps-ip_bindings/
+# For IPv4 leave it as it is: HTTP_BIND= & HTTPS_PORT=
+# For IPv6 see https://mailcow.github.io/mailcow-dockerized-docs/post_installation/firststeps-ip_bindings/
 
 HTTP_PORT=80
 HTTP_BIND=
@@ -183,6 +239,14 @@
 
 COMPOSE_PROJECT_NAME=mailcowdockerized
 
+# Used Docker Compose version
+# Switch here between native (compose plugin) and standalone
+# For more informations take a look at the mailcow docs regarding the configuration options.
+# Normally this should be untouched but if you decided to use either of those you can switch it manually here.
+# Please be aware that at least one of those variants should be installed on your maschine or mailcow will fail.
+
+DOCKER_COMPOSE_VERSION=${COMPOSE_VERSION}
+
 # Set this to "allow" to enable the anyone pseudo user. Disabled by default.
 # When enabled, ACL can be created, that apply to "All authenticated users"
 # This should probably only be activated on mail hosts, that are used exclusivly by one organisation.
@@ -201,7 +265,7 @@
 # You can use wildcard records to create specific names for every domain you add to mailcow.
 # Example: Add domains "example.com" and "example.net" to mailcow, change ADDITIONAL_SAN to a value like:
 #ADDITIONAL_SAN=imap.*,smtp.*
-# This will expand the certificate to "imap.example.com", "smtp.example.com", "imap.example.net", "imap.example.net"
+# This will expand the certificate to "imap.example.com", "smtp.example.com", "imap.example.net", "smtp.example.net"
 # plus every domain you add in the future.
 #
 # You can also just add static names...
@@ -341,9 +405,14 @@
 # Optional: Leave empty for none
 # This value is only used on first order!
 # Setting it at a later point will require the following steps:
-# https://mailcow.github.io/mailcow-dockerized-docs/debug-reset_tls/
+# https://mailcow.github.io/mailcow-dockerized-docs/troubleshooting/debug-reset_tls/
 ACME_CONTACT=
 
+# WebAuthn device manufacturer verification
+# After setting WEBAUTHN_ONLY_TRUSTED_VENDORS=y only devices from trusted manufacturers are allowed
+# root certificates can be placed for validation under mailcow-dockerized/data/web/inc/lib/WebAuthn/rootCertificates
+WEBAUTHN_ONLY_TRUSTED_VENDORS=n
+
 EOF
 
 mkdir -p data/assets/ssl
@@ -356,3 +425,44 @@
 openssl req -x509 -newkey rsa:4096 -keyout data/assets/ssl-example/key.pem -out data/assets/ssl-example/cert.pem -days 365 -subj "/C=DE/ST=NRW/L=Willich/O=mailcow/OU=mailcow/CN=${MAILCOW_HOSTNAME}" -sha256 -nodes
 echo "Copying snake-oil certificate..."
 cp -n -d data/assets/ssl-example/*.pem data/assets/ssl/
+
+# Set app_info.inc.php
+if [ ${git_branch} == "master" ]; then
+  mailcow_git_version=$(git describe --tags `git rev-list --tags --max-count=1`)
+elif [ ${git_branch} == "nightly" ]; then
+  mailcow_git_version=$(git rev-parse --short $(git rev-parse @{upstream}))
+  mailcow_last_git_version=""
+else
+  mailcow_git_version=$(git rev-parse --short HEAD)
+  mailcow_last_git_version=""
+fi
+
+mailcow_git_commit=$(git rev-parse origin/${git_branch})
+mailcow_git_commit_date=$(git log -1 --format=%ci @{upstream} )
+
+if [ $? -eq 0 ]; then
+  echo '<?php' > data/web/inc/app_info.inc.php
+  echo '  $MAILCOW_GIT_VERSION="'$mailcow_git_version'";' >> data/web/inc/app_info.inc.php
+  echo '  $MAILCOW_LAST_GIT_VERSION="";' >> data/web/inc/app_info.inc.php
+  echo '  $MAILCOW_GIT_OWNER="mailcow";' >> data/web/inc/app_info.inc.php
+  echo '  $MAILCOW_GIT_REPO="mailcow-dockerized";' >> data/web/inc/app_info.inc.php
+  echo '  $MAILCOW_GIT_URL="https://github.com/mailcow/mailcow-dockerized";' >> data/web/inc/app_info.inc.php
+  echo '  $MAILCOW_GIT_COMMIT="'$mailcow_git_commit'";' >> data/web/inc/app_info.inc.php
+  echo '  $MAILCOW_GIT_COMMIT_DATE="'$mailcow_git_commit_date'";' >> data/web/inc/app_info.inc.php
+  echo '  $MAILCOW_BRANCH="'$git_branch'";' >> data/web/inc/app_info.inc.php
+  echo '  $MAILCOW_UPDATEDAT='$(date +%s)';' >> data/web/inc/app_info.inc.php
+  echo '?>' >> data/web/inc/app_info.inc.php
+else
+  echo '<?php' > data/web/inc/app_info.inc.php
+  echo '  $MAILCOW_GIT_VERSION="'$mailcow_git_version'";' >> data/web/inc/app_info.inc.php
+  echo '  $MAILCOW_LAST_GIT_VERSION="";' >> data/web/inc/app_info.inc.php
+  echo '  $MAILCOW_GIT_OWNER="mailcow";' >> data/web/inc/app_info.inc.php
+  echo '  $MAILCOW_GIT_REPO="mailcow-dockerized";' >> data/web/inc/app_info.inc.php
+  echo '  $MAILCOW_GIT_URL="https://github.com/mailcow/mailcow-dockerized";' >> data/web/inc/app_info.inc.php
+  echo '  $MAILCOW_GIT_COMMIT="";' >> data/web/inc/app_info.inc.php
+  echo '  $MAILCOW_GIT_COMMIT_DATE="";' >> data/web/inc/app_info.inc.php
+  echo '  $MAILCOW_BRANCH="'$git_branch'";' >> data/web/inc/app_info.inc.php
+  echo '  $MAILCOW_UPDATEDAT='$(date +%s)';' >> data/web/inc/app_info.inc.php
+  echo '?>' >> data/web/inc/app_info.inc.php
+  echo -e "\e[33mCannot determine current git repository version...\e[0m"
+fi