diff --git a/README.md b/README.md
index 3c40cd8..6a32b0c 100644
--- a/README.md
+++ b/README.md
@@ -34,8 +34,8 @@ How to configure this app: From an admin panel
 
 #### Multi-user support
 
-* Are LDAP and HTTP auth supported?
-* Can the app be used by multiple users?
+* Are LDAP and HTTP auth supported? LDAP=Yes | HTTP auth=No
+* Can the app be used by multiple users? Yes
 
 #### Supported architectures
 
diff --git a/check_process b/check_process
index fd47f5b..ea290fb 100644
--- a/check_process
+++ b/check_process
@@ -1,31 +1,25 @@
 ;; Test complet
 	; Manifest
 		domain="domain.tld"	(DOMAIN)
-		is_public=1		(PUBLIC|public=1|private=0)
+		is_public=1			(PUBLIC|public=1|private=0)
+	; Actions
+		is_public=1|0
 	; Checks
 		pkg_linter=1
 		setup_sub_dir=0
 		setup_root=1
 		setup_nourl=0
-		setup_private=0 
-		setup_public=0
+		setup_private=1
+		setup_public=1
 		upgrade=1
+		upgrade=1	from_commit=b07405d0f885f28764031dd80d27af84a90007b1
 		backup_restore=1
 		multi_instance=0
-		incorrect_path=0
 		port_already_use=1
-		change_url=0
+		change_url=1
+		actions=1
+		config_panel=0
 ;;; Levels
-	Level 1=auto
-	Level 2=auto
-	Level 3=auto
-	Level 4=na
-	Level 5=1
-	Level 6=auto
-	Level 7=auto
-	Level 8=0
-	Level 9=0
-	Level 10=0
+	Level 5=auto
 ;;; Options
-Email=
-Notification=none
+	Notification=all
diff --git a/scripts/_common.sh b/scripts/_common.sh
index e1877a5..2e25e19 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -10,7 +10,7 @@ PKG_DEPENDENCIES="python3 python3-dev python3-venv python3-pip libffi-dev libssl
 
 # Requirements (Major.Minor.Patch)
 # PY_VERSION=$(curl -s "https://www.python.org/ftp/python/" | grep ">3.8" | tail -n1 | cut -d '/' -f 2 | cut -d '>' -f 2)
-PY_VERSION=3.8.6
+PY_REQUIRED_VERSION=3.8.6
 
 # Execute a command as another user
 # usage: exec_as USER COMMAND [ARG ...]
@@ -56,7 +56,16 @@ myynh_version_compare () {
 }
 
 # Package dependencies
+# usage: myynh_install_dependencies --python="3.8.6"
+# | arg: -p, --python=    - the python version to install
 myynh_install_dependencies () {
+	# Declare an array to define the options of this helper.
+	local legacy_args=u
+	local -A args_array=( [p]=python= )
+	local python
+	# Manage arguments with getopts
+	ynh_handle_getopts_args "$@"
+	
 	# Install main dependencies from apt
 	ynh_script_progression --message="Installing dependencies..."
 	ynh_install_app_dependencies "${PKG_DEPENDENCIES}"
@@ -65,15 +74,15 @@ myynh_install_dependencies () {
 	local PY_APT_VERSION=$(python3 --version | cut -d ' ' -f 2)
 	
 	# Check existing built version of python in /usr/local/bin
-	if [ -e "/usr/local/bin/python${PY_VERSION:0:3}" ]; then
-		local PY_BUILT_VERSION=$(/usr/local/bin/python${PY_VERSION:0:3} --version \
+	if [ -e "/usr/local/bin/python${python:0:3}" ]; then
+		local PY_BUILT_VERSION=$(/usr/local/bin/python${python:0:3} --version \
 			| cut -d ' ' -f 2)
 	else
 		local PY_BUILT_VERSION=0
 	fi
 	
 	# Compare version
-	if [ $(myynh_version_compare $PY_APT_VERSION $PY_VERSION) -le 1 ]; then
+	if [ $(myynh_version_compare $PY_APT_VERSION $python) -le 1 ]; then
 		# APT >= Required
 		ynh_script_progression --message="Using provided python3..."
 		MY_PYTHON="python3"
@@ -82,31 +91,37 @@ myynh_install_dependencies () {
 		ynh_script_progression --message="Installing additional dependencies..."
 		PKG_DEPENDENCIES="${PKG_DEPENDENCIES} tk-dev libncurses5-dev libncursesw5-dev libreadline6-dev libdb5.3-dev libgdbm-dev libsqlite3-dev libbz2-dev libexpat1-dev liblzma-dev wget tar"
 		ynh_install_app_dependencies "${PKG_DEPENDENCIES}"      
-		if [ $(myynh_version_compare $PY_BUILT_VERSION $PY_VERSION) -le 1 ]; then
+		if [ $(myynh_version_compare $PY_BUILT_VERSION $python) -le 1 ]; then
 			# Built >= Required
 			ynh_script_progression --message="Using already used python3 built version..."
 			MY_PYTHON="/usr/local/bin/python${PY_BUILT_VERSION:0:3}"
 		else
             # APT < Minimal & Actual < Minimal => Build & install Python into /usr/local/bin
             ynh_script_progression --message="Building python (may take a while)..."
+            # Store current direcotry 
+            local MY_DIR=$(pwd)
             # Download
-            wget -O "/tmp/Python-$PY_VERSION.tar.xz" "https://www.python.org/ftp/python/$PY_VERSION/Python-$PY_VERSION.tar.xz"
+            wget -O "/tmp/Python-$python.tar.xz" "https://www.python.org/ftp/python/$python/Python-$python.tar.xz"
             # Extract
             cd /tmp
-            tar xf "Python-$PY_VERSION.tar.xz"
+            tar xf "Python-$python.tar.xz"
             # Install
-            cd "Python-$PY_VERSION"
+            cd "Python-$python"
             ./configure --enable-optimizations
             make -j4
             make altinstall
             # Clean
             cd ..
-            ynh_secure_remove "Python-$PY_VERSION"
-            ynh_secure_remove "Python-$PY_VERSION.tar.xz"
+            ynh_secure_remove "Python-$python"
+            ynh_secure_remove "Python-$python.tar.xz"
             # Set version
-            MY_PYTHON="/usr/local/bin/python${PY_VERSION:0:3}"
+            MY_PYTHON="/usr/local/bin/python${python:0:3}"
+            # Go back to working directory
+            cd $MY_DIR
 		fi
 	fi
+	# Save python version in settings 
+	ynh_app_setting_set $app python "$python"
 }
 
 # Install/Upgrade Homeassistant in virtual environement
diff --git a/scripts/backup b/scripts/backup
index 512bdfe..f37b77f 100644
--- a/scripts/backup
+++ b/scripts/backup
@@ -10,7 +10,7 @@ ynh_abort_if_errors
 
 # retrieve arguments
 app=$YNH_APP_INSTANCE_NAME
-domain=$(ynh_app_setting_get --app=$app --key=domain)
+domain=$(ynh_app_setting_get --app="$app" --key=domain)
 
 # definie useful vars
 final_path="/opt/yunohost/$app"
diff --git a/scripts/change_url b/scripts/change_url
new file mode 100644
index 0000000..ed0fa06
--- /dev/null
+++ b/scripts/change_url
@@ -0,0 +1,45 @@
+#!/bin/bash
+
+source _common.sh
+source /usr/share/yunohost/helpers
+
+# retrieve arguments
+app=$YNH_APP_INSTANCE_NAME
+old_domain=$YNH_APP_OLD_DOMAIN
+new_domain=$YNH_APP_NEW_DOMAIN
+
+# load settings
+ynh_script_progression --message="Loading installation settings..." --time --weight=1
+old_nginx_conf="/etc/nginx/conf.d/$old_domain.d/$app.conf"
+new_nginx_conf="/etc/nginx/conf.d/$new_domain.d/$app.conf"
+
+# manage script failure
+ynh_script_progression --message="Backing up the app before changing its url (may take a while)..." --time --weight=1
+ynh_backup_before_upgrade
+ynh_clean_setup () {
+	ynh_secure_remove --file="/etc/nginx/conf.d/$new_domain.d/$app.conf"
+	ynh_restore_upgradebackup
+}
+ynh_abort_if_errors
+
+# check which parts should be changed
+change_domain=0
+if [ "$old_domain" != "$new_domain" ]; then
+	change_domain=1
+fi
+
+# Change the domain for nginx
+if [ $change_domain -eq 1 ]; then
+    ynh_script_progression --message="Updating nginx web server configuration..." --time --weight=1
+	# Delete file checksum for the old conf file location
+	ynh_delete_file_checksum --file="$old_nginx_conf"
+	mv "$old_nginx_conf" "$new_nginx_conf"
+	# Store file checksum for the new config file location
+	ynh_store_file_checksum --file="$new_nginx_conf"
+fi
+
+# reload nginx
+ynh_script_progression --message="Reloading nginx web server..." --time --weight=1
+ynh_systemd_action --service_name=nginx --action=reload
+
+ynh_script_progression --message="Change of URL completed for $app" --time --last
diff --git a/scripts/install b/scripts/install
index cb98595..0c59f46 100644
--- a/scripts/install
+++ b/scripts/install
@@ -18,26 +18,26 @@ is_public=$YNH_APP_ARG_IS_PUBLIC
 final_path="/opt/yunohost/$app"
 home_path="/home/$app"
 data_path="/home/$app/.$app"
+path_url=$(ynh_normalize_url_path --path_url="/")
 
 # check domain/path availability
 ynh_script_progression --message="Validating installation parameters..."
-path_url=$(ynh_normalize_url_path "/")
-ynh_webpath_available "$domain" "$path_url" || ynh_die "$domain/$path_url is not available, please use an other domain."
-ynh_webpath_register $app "$domain" "$path_url"
+[ ! -d "$final_path" ] || ynh_die --message="This path already contains a folder"
+ynh_webpath_register --app="$app" --domain="$domain" --path_url="$path_url"
 
 # save app settings
 ynh_script_progression --message="Storing installation settings..."
-ynh_app_setting_set $app domain "$domain"
+ynh_app_setting_set --app="$app" --key=domain --value="$domain"
 
 # find a free port & open it
 ynh_script_progression --message="Looking for a free port and opening it..."
 port=$(ynh_find_port 8123)
-ynh_app_setting_set $app port $port
-ynh_exec_fully_quiet yunohost firewall allow TCP $port
+ynh_app_setting_set --app="$app" --key=port --value="$port"
+ynh_exec_fully_quiet yunohost firewall allow TCP "$port"
 
 # create a dedicated system user
 ynh_script_progression --message="Creating dedicated user, rights and folders..."
-ynh_system_user_create $app
+ynh_system_user_create --username="$app"
 ## grant sudo permissions to the user to manage his own systemd service
 myynh_create_dir "/etc/sudoers.d"
 cp "../conf/sudoers" "/etc/sudoers.d/$app"
@@ -49,7 +49,7 @@ myynh_create_dir "$data_path"
 chown -R $app: "$home_path"
 
 # build (if needed) & install Pyhton
-myynh_install_dependencies
+myynh_install_dependencies --python="$PY_REQUIRED_VERSION"
 
 # installation in a virtual environment
 ynh_script_progression --message="Installing Home Assistant in a virtual environment..."
@@ -57,7 +57,7 @@ myynh_install_homeassistant
 
 # set default configuration files and move all homeassistant_conf_files
 ynh_script_progression --message="Configuring the installation..."
-ynh_replace_string "__PORT__" "$port" "../conf/homeassistant_conf_files/configuration.yaml"
+ynh_replace_string --match_string="__PORT__" --replace_string="$port" --target_file="../conf/homeassistant_conf_files/configuration.yaml"
 cp -r "../conf/homeassistant_conf_files/." "$data_path/"
 chown -R $app: "$data_path"
 chmod -R +x "$data_path/bin/"
@@ -72,7 +72,7 @@ yunohost service add "$app@$app" --log "$data_path/home-assistant.log" --descrip
 ynh_script_progression --message="Starting the Home Assistant server..."
 ynh_systemd_action --service_name="$app@$app" --action=start --line_match="Home Assistant initialized" --log_path="systemd" --timeout=3600
 # remove --verbose from service
-ynh_replace_string " --verbose" "" "/etc/systemd/system/$app@$app.service"
+ynh_replace_string --match_string=" --verbose" --replace_string="" --target_file="/etc/systemd/system/$app@$app.service"
 systemctl daemon-reload
 ynh_systemd_action --service_name="$app@$app" --action=restart
 
@@ -84,6 +84,6 @@ ynh_systemd_action --service_name=nginx --action=reload
 
 # unprotect app access if public (needed for Android app to work)
 ynh_script_progression --message="Configuring permissions..."
-[ $is_public -eq 1 ] && ynh_permission_update --permission "main" --add "visitors"
+[ $is_public -eq 1 ] && ynh_permission_update --permission="main" --add="visitors"
 
 ynh_script_progression --message="Installation of $app completed" --last
diff --git a/scripts/remove b/scripts/remove
index fa5cab3..f716782 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -40,7 +40,7 @@ ynh_secure_remove --file="/etc/systemd/system/$app@$app.service"
 ynh_exec_fully_quiet yunohost firewall disallow TCP $port
 
 # delete a system user
-ynh_system_user_delete --username=$app
+ynh_system_user_delete --username="$app"
 
 # remove sudoers file
 ynh_secure_remove --file="/etc/sudoers.d/$app"
diff --git a/scripts/restore b/scripts/restore
index 7110de8..8e65695 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -15,20 +15,18 @@ ynh_abort_if_errors
 
 # retrieve arguments
 app=$YNH_APP_INSTANCE_NAME
-domain=$(ynh_app_setting_get --app=$app --key=domain)
-port=$(ynh_app_setting_get --app=$app --key=port)
+domain=$(ynh_app_setting_get --app="$app" --key=domain)
+port=$(ynh_app_setting_get --app="$app" --key=port)
 
 # definie useful vars
 final_path="/opt/yunohost/$app"
 home_path="/home/$app"
 data_path="/home/$app/.$app"
+path_url=$(ynh_normalize_url_path --path_url="/")
 
 # check domain/path availability
-path_url=$(ynh_normalize_url_path "/")
-ynh_webpath_available $domain $path_url || ynh_die "$domain/$path_url is not available, please use an other domain."
-
-# add required packages
-myynh_install_dependencies
+[ ! -d "$final_path" ] || ynh_die --message="This path already contains a folder"
+ynh_webpath_available --domain="$domain" --path_url="$path_url" || ynh_die "$domain/$path_url is not available, please use an other domain."
 
 # restore dedicated system user
 ynh_system_user_create --username="$app"
@@ -41,6 +39,9 @@ ynh_restore_file --origin_path="/etc/systemd/system/$app@$app.service"
 # restore source
 ynh_restore_file --origin_path="$final_path"
 
+# add required packages
+myynh_install_dependencies --python=$("$final_path/bin/python" --version | cut -d ' ' -f 2)
+
 # restore data
 ynh_restore_file --origin_path="$home_path"
 chown -R $app: "$home_path"
@@ -53,8 +54,17 @@ ynh_exec_fully_quiet yunohost firewall allow TCP $port
 # add service in admin panel
 yunohost service add "$app@$app" --log "$data_path/home-assistant.log" --description "Home Assistant server" --needs_exposed_ports $port
 
-# start systemd service
-ynh_systemd_action --service_name="$app@$app" --action=start
+
+# add --verbose to service
+sed --in-place "/ExecStart/s/$/ --verbose/" "/etc/systemd/system/$app@$app.service"
+
+# start 
+ynh_systemd_action --service_name="$app@$app" --action=start --line_match="Home Assistant initialized" --log_path="systemd" --timeout=3600
+
+# remove --verbose from service and restart
+ynh_replace_string --match_string=" --verbose" --replace_string="" --target_file="/etc/systemd/system/$app@$app.service"
+systemctl daemon-reload
+ynh_systemd_action --service_name="$app@$app" --action=restart
 
 # reload nginx
 ynh_systemd_action --service_name=nginx --action=reload
diff --git a/scripts/upgrade b/scripts/upgrade
index 5365372..2af781d 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -11,15 +11,15 @@ ynh_abort_if_errors
 
 # retrieve arguments
 app=$YNH_APP_INSTANCE_NAME
-domain=$(ynh_app_setting_get --app=$app --key=domain)
-port=$(ynh_app_setting_get --app=$app --key=port)
+domain=$(ynh_app_setting_get --app="$app" --key=domain)
+port=$(ynh_app_setting_get --app="$app" --key=port)
 
 # Cleaning legacy permissions
 ynh_script_progression --message="Cleaning legacy permissions..."
-is_public=$(ynh_app_setting_get --app=$app --key=is_public)
+is_public=$(ynh_app_setting_get --app="$app" --key=is_public)
 if [ -n "$is_public" ]; then
-  ynh_app_setting_delete --app=$app --key=is_public
-  ynh_app_setting_delete --app=$app --key=unprotected_uris
+  ynh_app_setting_delete --app="$app" --key=is_public
+  ynh_app_setting_delete --app="$app" --key=unprotected_uris
 fi
 
 # definie useful vars
@@ -42,7 +42,7 @@ myynh_create_dir "/etc/sudoers.d"
 cp "../conf/sudoers" "/etc/sudoers.d/$app"
 
 # build (if needed) & install Pyhton
-myynh_install_dependencies
+myynh_install_dependencies --python="$PY_REQUIRED_VERSION"
 
 # stop systemd service
 ynh_script_progression --message="Stoping service..."
@@ -68,7 +68,7 @@ yunohost service add "$app@$app" --log "$data_path/home-assistant.log" --descrip
 ynh_script_progression --message="Starting the Home Assistant server..."
 ynh_systemd_action --service_name="$app@$app" --action=start --line_match="Home Assistant initialized" --log_path="systemd" --timeout=3600
 # remove --verbose from service
-ynh_replace_string " --verbose" "" "/etc/systemd/system/$app@$app.service"
+ynh_replace_string --match_string=" --verbose" --replace_string="" --target_file="/etc/systemd/system/$app@$app.service"
 systemctl daemon-reload
 ynh_systemd_action --service_name="$app@$app" --action=restart