diff --git a/conf/freshrss.cron b/conf/freshrss.cron
index 659ed47..1946736 100644
--- a/conf/freshrss.cron
+++ b/conf/freshrss.cron
@@ -1 +1 @@
-*/10 * * * * __APP__ /usr/bin/php7.0 __FINALPATH__/app/actualize_script.php >/tmp/__APP__.log 2>&1
+*/10 * * * * __APP__ /usr/bin/php${YNH_PHP_VERSION}__FINALPATH__/app/actualize_script.php >/tmp/__APP__.log 2>&1
diff --git a/conf/nginx.conf b/conf/nginx.conf
index 4cc8174..42b044f 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -10,7 +10,7 @@ location __PATH__/ {
        try_files $uri $uri/ /index.php?$args;
        location ~ [^/]\.php(/|$) {
            fastcgi_split_path_info ^(.+?\.php)(/.*)$;
-           fastcgi_pass unix:/var/run/php/php7.0-fpm-__NAME__.sock;
+           fastcgi_pass unix:/var/run/php/php__PHPVERSION__-fpm-__NAME__.sock;
 
            fastcgi_index index.php;
            include fastcgi_params;
diff --git a/conf/php-fpm.conf b/conf/php-fpm.conf
index 2052aa6..9b2ecce 100644
--- a/conf/php-fpm.conf
+++ b/conf/php-fpm.conf
@@ -33,7 +33,7 @@ group = __USER__
 ;                            (IPv6 and IPv4-mapped) on a specific port;
 ;   '/path/to/unix/socket' - to listen on a unix socket.
 ; Note: This value is mandatory.
-listen = /var/run/php/php7.0-fpm-__NAMETOCHANGE__.sock
+listen = /var/run/php/php__PHPVERSION__-fpm-__NAMETOCHANGE__.sock
 
 ; Set listen(2) backlog.
 ; Default Value: 511 (-1 on FreeBSD and OpenBSD)
diff --git a/manifest.json b/manifest.json
index b8f3cc5..df80e6c 100644
--- a/manifest.json
+++ b/manifest.json
@@ -14,7 +14,7 @@
         "email": "plopoyop@gmail.com"
     },
     "requirements": {
-        "yunohost": ">= 3.5"
+        "yunohost": ">= 3.8.1"
     },
     "multi_instance": true,
     "services": [
diff --git a/scripts/_common.sh b/scripts/_common.sh
index b1610b5..2d5cb36 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -4,11 +4,9 @@
 # COMMON VARIABLES
 #=================================================
 
-if [ "$(lsb_release --codename --short)" == "jessie" ]; then
-	pkg_dependencies="php5-gd"
-else
-	pkg_dependencies="php-gd php-zip php-dom php-mbstring php-gmp php-sqlite3 php-curl php-intl php-xml"
-fi
+pkg_dependencies="php${YNH_PHP_VERSION}-gd php-zip php${YNH_PHP_VERSION}-dom php${YNH_PHP_VERSION}-mbstring php${YNH_PHP_VERSION}-gmp php${YNH_PHP_VERSION}-sqlite3 php${YNH_PHP_VERSION}-curl php${YNH_PHP_VERSION}-intl php${YNH_PHP_VERSION}-xml"
+
+YNH_PHP_VERSION="7.3"
 
 #=================================================
 # PERSONAL HELPERS
diff --git a/scripts/backup b/scripts/backup
index f957038..dffd82b 100755
--- a/scripts/backup
+++ b/scripts/backup
@@ -28,32 +28,31 @@ domain=$(ynh_app_setting_get --app=$app --key=domain)
 db_name=$(ynh_app_setting_get --app=$app --key=db_name)
 
 #=================================================
-# STANDARD BACKUP STEPS
+# DECLARE DATA AND CONF FILES TO BACKUP
+#=================================================
+ynh_print_info --message="Declaring files to be backed up..."
+
 #=================================================
 # BACKUP THE APP MAIN DIR
 #=================================================
-ynh_print_info --message="Backing up the main app directory..."
 
 ynh_backup --src_path="$final_path"
 
 #=================================================
 # BACKUP THE NGINX CONFIGURATION
 #=================================================
-ynh_print_info --message="Backing up nginx web server configuration..."
 
 ynh_backup --src_path="/etc/nginx/conf.d/$domain.d/$app.conf"
 
 #=================================================
 # BACKUP THE PHP-FPM CONFIGURATION
 #=================================================
-ynh_print_info --message="Backing up php-fpm configuration..."
 
-ynh_backup --src_path="/etc/php/7.0/fpm/pool.d/$app.conf"
+ynh_backup --src_path="/etc/php/$phpversion/fpm/pool.d/$app.conf"
 
 #=================================================
 # BACKUP THE MYSQL DATABASE
 #=================================================
-ynh_print_info --message="Backing up the MySQL database..."
 
 ynh_mysql_dump_db --database="$db_name" > db.sql
 
diff --git a/scripts/change_url b/scripts/change_url
index 40f2601..3494afb 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -21,11 +21,10 @@ new_path=$YNH_APP_NEW_PATH
 
 app=$YNH_APP_INSTANCE_NAME
 
-
 #=================================================
 # LOAD SETTINGS
 #=================================================
-ynh_print_info --message="Loading installation settings..."
+ynh_script_progression --message="Loading installation settings..."
 
 # Needed for helper "ynh_add_nginx_config"
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
@@ -46,7 +45,6 @@ if [ -z $admin ]; then
 	ynh_app_setting_set $app admin $admin
 fi
 
-
 #=================================================
 # CHECK PATHS SYNTAX
 #=================================================
@@ -77,7 +75,7 @@ fi
 #=================================================
 # MODIFY URL IN NGINX CONF FILE
 #=================================================
-ynh_print_info --message="Updating nginx web server configuration..."
+ynh_script_progression --message="Updating NGINX web server configuration..."
 
 nginx_conf_path=/etc/nginx/conf.d/$old_domain.d/$app.conf
 
@@ -107,19 +105,17 @@ fi
 
 $final_path/cli/reconfigure.php --auth_type http_auth --environment production --base_url https://$domain$path_url --title FreshRSS --api_enabled --db-type mysql --db-host localhost --db-user $db_name --db-password $db_pwd --db-base $db_name
 
-#=================================================
-
-
 #=================================================
 # GENERIC FINALIZATION
 #=================================================
 # RELOAD NGINX
 #=================================================
-ynh_print_info --message="Reloading nginx web server..."
+ynh_script_progression --message="Reloading NGINX web server..."
+
 ynh_systemd_action --service_name=nginx --action=reload
 
 #=================================================
 # END OF SCRIPT
 #=================================================
 
-ynh_print_info --message="Change of URL completed for $app"
+ynh_script_progression --message="Change of URL completed for $app"
diff --git a/scripts/install b/scripts/install
index a271d72..c569af4 100755
--- a/scripts/install
+++ b/scripts/install
@@ -30,7 +30,7 @@ app=$YNH_APP_INSTANCE_NAME
 #=================================================
 # CHECK IF THE APP CAN BE INSTALLED WITH THESE ARGS
 #=================================================
-ynh_print_info --message="Validating installation parameters..."
+ynh_script_progression --message="Validating installation parameters..."
 
 final_path=/var/www/$app
 test ! -e "$final_path" || ynh_die --message="This path already contains a folder"
@@ -41,28 +41,24 @@ ynh_webpath_register --app=$app --domain=$domain --path_url=$path_url
 #=================================================
 # STORE SETTINGS FROM MANIFEST
 #=================================================
-ynh_print_info --message="Storing installation settings..."
+ynh_script_progression --message="Storing installation settings..."
 
 ynh_app_setting_set --app=$app --key=domain --value=$domain
 ynh_app_setting_set --app=$app --key=path --value=$path_url
 ynh_app_setting_set --app=$app --key=admin --value=$admin
 ynh_app_setting_set --app=$app --key=language --value=$language
 
-#=================================================
-# STANDARD MODIFICATIONS
-#=================================================
-
 #=================================================
 # INSTALL DEPENDENCIES
 #=================================================
-ynh_print_info --message="Installing dependencies..."
+ynh_script_progression --message="Installing dependencies..."
 
 ynh_install_app_dependencies $pkg_dependencies
 
 #=================================================
 # CREATE A MYSQL DATABASE
 #=================================================
-ynh_print_info --message="Creating a MySQL database..."
+ynh_script_progression --message="Creating a MySQL database..."
 
 db_name=$(ynh_sanitize_dbid --db_name=$app)
 db_user=$db_name
@@ -72,11 +68,7 @@ ynh_mysql_setup_db --db_user=$db_user --db_name=$db_name
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
-ynh_print_info --message="Setting up source files..."
-
-### `ynh_setup_source` is used to install an app from a zip or tar.gz file,
-### downloaded from an upstream source, like a git repository.
-### `ynh_setup_source` use the file conf/app.src
+ynh_script_progression --message="Setting up source files..."
 
 ynh_app_setting_set --app=$app --key=final_path --value=$final_path
 # Download, check integrity, uncompress and patch the source from app.src
@@ -85,17 +77,15 @@ ynh_setup_source --dest_dir="$final_path"
 #=================================================
 # NGINX CONFIGURATION
 #=================================================
-ynh_print_info --message="Configuring nginx web server..."
+ynh_script_progression --message="Configuring NGINX web server..."
 
-### `ynh_add_nginx_config` will use the file conf/nginx.conf
-
-# Create a dedicated nginx config
+# Create a dedicated NGINX config
 ynh_add_nginx_config
 
 #=================================================
 # CREATE DEDICATED USER
 #=================================================
-ynh_print_info --message="Configuring system user..."
+ynh_script_progression --message="Configuring system user..."
 
 # Create a system user
 ynh_system_user_create --username=$app
@@ -103,26 +93,31 @@ ynh_system_user_create --username=$app
 #=================================================
 # PHP-FPM CONFIGURATION
 #=================================================
-ynh_print_info --message="Configuring php-fpm..."
+ynh_script_progression --message="Configuring PHP-FPM..."
 
-# Create a dedicated php-fpm config
+# Create a dedicated PHP-FPM config
 ynh_add_fpm_config
 
 #=================================================
 # SPECIFIC SETUP
 #=================================================
-ynh_replace_string "APPNAMETOCHANGE" $app ../hooks/post_app_addaccess
-ynh_replace_string "APPNAMETOCHANGE" $app ../hooks/post_user_create
-ynh_replace_string "APPNAMETOCHANGE" $app ../hooks/post_user_delete
 
+ynh_replace_string --match_string="APPNAMETOCHANGE" --replace_string=$app --target_file="../hooks/post_app_addaccess"
+ynh_replace_string --match_string="APPNAMETOCHANGE" --replace_string=$app --target_file="../hooks/post_user_create"
+ynh_replace_string --match_string="APPNAMETOCHANGE" --replace_string=$app --target_file="../hooks/post_user_delete"
+
+#=================================================
 # SETUPING FRESHRSS
 #=================================================
-ynh_print_info --message="FreshRSS setup script..."
+ynh_script_progression --message="FreshRSS setup script..."
 
 $final_path/cli/do-install.php --default_user $admin --auth_type http_auth --environment production --base_url https://$domain$path_url --title FreshRSS --api_enabled --db-type mysql --db-host localhost --db-user $db_name --db-password $db_pwd --db-base $db_name
 
-# Add users
-ynh_print_info --message="Creating users..."
+#=================================================
+# CREATE DEDICATED USER
+#=================================================
+ynh_script_progression --message="Creating users..."
+
 for myuser in $(ynh_user_list)
 do
     user_token=$(ynh_string_random)
@@ -132,7 +127,7 @@ done
 #=================================================
 # SETUP A CRON
 #=================================================
-ynh_print_info --message="Setting up cron..."
+ynh_script_progression --message="Setting up cron..."
 
 cron_path="/etc/cron.d/$app"
 ynh_replace_string --match_string="__FINALPATH__" --replace_string=$final_path --target_file="../conf/freshrss.cron"
@@ -140,9 +135,6 @@ ynh_replace_string --match_string="__APP__" --replace_string=$app --target_file=
 cp ../conf/freshrss.cron "$cron_path"
 chmod 644 "$cron_path"
 
-#=================================================
-
-
 #=================================================
 # GENERIC FINALIZATION
 #=================================================
@@ -151,25 +143,22 @@ chmod 644 "$cron_path"
 
 # Set permissions to app files
 chown -R root: $final_path
-chown -R $app: $final_path/data/
-chown -R $app: $final_path/extensions/
-
+chown -R $app: $final_path/{data,extensions}
 
 #=================================================
 # SETUP SSOWAT
 #=================================================
-ynh_print_info --message="Configuring SSOwat..."
+ynh_script_progression --message="Configuring SSOwat..."
 
 #skip api directory
 ynh_app_setting_set --app="$app" --key=skipped_uris --value="/api/,/scripts/api.js"
 ynh_app_setting_delete --app="$app" --key=unprotected_regex
 ynh_app_setting_delete --app="$app" --key=unprotected_uris
 
-
 #=================================================
 # RELOAD NGINX
 #=================================================
-ynh_print_info --message="Reloading nginx web server..."
+ynh_script_progression --message="Reloading nginx web server..."
 
 ynh_systemd_action --service_name=nginx --action=reload
 
@@ -177,4 +166,5 @@ ynh_systemd_action --service_name=nginx --action=reload
 # END OF SCRIPT
 #=================================================
 
-ynh_print_info --message="Installation of $app completed"
+ynh_script_progression --message="Installation of $app completed" --last
+
diff --git a/scripts/remove b/scripts/remove
index 4b189f5..7cfaeaa 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -12,7 +12,7 @@ source /usr/share/yunohost/helpers
 #=================================================
 # LOAD SETTINGS
 #=================================================
-ynh_print_info --message="Loading installation settings..."
+ynh_script_progression --message="Loading installation settings..."
 
 app=$YNH_APP_INSTANCE_NAME
 
@@ -21,14 +21,10 @@ db_name=$(ynh_app_setting_get --app=$app --key=db_name)
 db_user=$db_name
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 
-#=================================================
-# STANDARD REMOVE
-#=================================================
-
 #=================================================
 # REMOVE THE MYSQL DATABASE
 #=================================================
-ynh_print_info --message="Removing the MySQL database..."
+ynh_script_progression --message="Removing the MySQL database..."
 
 # Remove a database if it exists, along with the associated user
 ynh_mysql_remove_db --db_user=$db_user --db_name=$db_name
@@ -36,7 +32,7 @@ ynh_mysql_remove_db --db_user=$db_user --db_name=$db_name
 #=================================================
 # REMOVE DEPENDENCIES
 #=================================================
-ynh_print_info --message="Removing dependencies..."
+ynh_script_progression --message="Removing dependencies..."
 
 # Remove metapackage and its dependencies
 ynh_remove_app_dependencies
@@ -44,7 +40,7 @@ ynh_remove_app_dependencies
 #=================================================
 # REMOVE APP MAIN DIR
 #=================================================
-ynh_print_info --message="Removing app main directory..."
+ynh_script_progression --message="Removing app main directory..."
 
 # Remove the app directory securely
 ynh_secure_remove --file="$final_path"
@@ -52,7 +48,7 @@ ynh_secure_remove --file="$final_path"
 #=================================================
 # REMOVE NGINX CONFIGURATION
 #=================================================
-ynh_print_info --message="Removing nginx web server configuration..."
+ynh_script_progression --message="Removing nginx web server configuration..."
 
 # Remove the dedicated nginx config
 ynh_remove_nginx_config
@@ -60,9 +56,9 @@ ynh_remove_nginx_config
 #=================================================
 # REMOVE PHP-FPM CONFIGURATION
 #=================================================
-ynh_print_info --message="Removing php-fpm configuration..."
+ynh_script_progression --message="Removing PHP-FPM configuration..."
 
-# Remove the dedicated php-fpm config
+# Remove the dedicated PHP-FPM config
 ynh_remove_fpm_config
 
 #=================================================
@@ -79,7 +75,7 @@ ynh_secure_remove "/etc/cron.d/$app"
 #=================================================
 # REMOVE DEDICATED USER
 #=================================================
-ynh_print_info --message="Removing the dedicated system user..."
+ynh_script_progression --message="Removing the dedicated system user..."
 
 # Delete a system user
 ynh_system_user_delete --username=$app
@@ -88,4 +84,4 @@ ynh_system_user_delete --username=$app
 # END OF SCRIPT
 #=================================================
 
-ynh_print_info --message="Removal of $app completed"
+ynh_script_progression --message="Removal of $app completed"
diff --git a/scripts/restore b/scripts/restore
index a582fe5..db3a0d9 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -19,7 +19,7 @@ ynh_abort_if_errors
 #=================================================
 # LOAD SETTINGS
 #=================================================
-ynh_print_info --message="Loading settings..."
+ynh_script_progression --message="Loading settings..."
 
 app=$YNH_APP_INSTANCE_NAME
 
@@ -32,7 +32,7 @@ db_user=$db_name
 #=================================================
 # CHECK IF THE APP CAN BE RESTORED
 #=================================================
-ynh_print_info --message="Validating restoration parameters..."
+ynh_script_progression --message="Validating restoration parameters..."
 
 ynh_webpath_available --domain=$domain --path_url=$path_url \
 	|| ynh_die --message="Path not available: ${domain}${path_url}"
@@ -44,21 +44,21 @@ test ! -d $final_path \
 #=================================================
 # RESTORE THE NGINX CONFIGURATION
 #=================================================
-ynh_print_info --message="Restoring nginx configuration..."
+ynh_script_progression --message="Restoring NGINX configuration..."
 
 ynh_restore_file --origin_path="/etc/nginx/conf.d/$domain.d/$app.conf"
 
 #=================================================
 # RESTORE THE APP MAIN DIR
 #=================================================
-ynh_print_info --message="Restoring the app main directory..."
+ynh_script_progression --message="Restoring the app main directory..."
 
 ynh_restore_file --origin_path="$final_path"
 
 #=================================================
 # RECREATE THE DEDICATED USER
 #=================================================
-ynh_print_info --message="Recreating the dedicated system user..."
+ynh_script_progression --message="Recreating the dedicated system user..."
 
 # Create the dedicated user (if not existing)
 ynh_system_user_create --username=$app
@@ -76,14 +76,14 @@ chown -R $app: $final_path/extensions/
 # RESTORE THE PHP-FPM CONFIGURATION
 #=================================================
 
-ynh_restore_file --origin_path="/etc/php/7.0/fpm/pool.d/$app.conf"
+ynh_restore_file --origin_path="/etc/php/$phpversion/fpm/pool.d/$app.conf"
 
 #=================================================
 # SPECIFIC RESTORATION
 #=================================================
 # REINSTALL DEPENDENCIES
 #=================================================
-ynh_print_info --message="Reinstalling dependencies..."
+ynh_script_progression --message="Reinstalling dependencies..."
 
 # Define and install dependencies
 ynh_install_app_dependencies $pkg_dependencies
@@ -91,7 +91,7 @@ ynh_install_app_dependencies $pkg_dependencies
 #=================================================
 # RESTORE THE MYSQL DATABASE
 #=================================================
-ynh_print_info --message="Restoring the MySQL database..."
+ynh_script_progression --message="Restoring the MySQL database..."
 
 db_pwd=$(ynh_app_setting_get --app=$app --key=mysqlpwd)
 ynh_mysql_setup_db --db_user=$db_user --db_name=$db_name --db_pwd=$db_pwd
@@ -108,13 +108,13 @@ ynh_restore_file --origin_path="/etc/cron.d/$app"
 #=================================================
 # RELOAD NGINX AND PHP-FPM
 #=================================================
-ynh_print_info --message="Reloading nginx web server and php-fpm..."
+ynh_script_progression --message="Reloading NGINX web server and PHP-FPM..."
 
-ynh_systemd_action --service_name=php7.0-fpm --action=reload
+ynh_systemd_action --service_name=php$phpversion-fpm --action=reload
 ynh_systemd_action --service_name=nginx --action=reload
 
 #=================================================
 # END OF SCRIPT
 #=================================================
 
-ynh_print_info --message="Restoration completed for $app"
+ynh_script_progression --message="Restoration completed for $app"
diff --git a/scripts/upgrade b/scripts/upgrade
index 886e5c9..259ec5f 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -12,7 +12,7 @@ source /usr/share/yunohost/helpers
 #=================================================
 # LOAD SETTINGS
 #=================================================
-ynh_print_info --message="Loading installation settings..."
+ynh_script_progression --message="Loading installation settings..."
 
 app=$YNH_APP_INSTANCE_NAME
 
@@ -33,7 +33,7 @@ upgrade_type=$(ynh_check_app_version_changed)
 #=================================================
 # ENSURE DOWNWARD COMPATIBILITY
 #=================================================
-ynh_print_info --message="Ensuring downward compatibility..."
+ynh_script_progression --message="Ensuring downward compatibility..."
 
 # If db_name doesn't exist, create it
 if [ -z "$db_name" ]; then
@@ -59,7 +59,7 @@ fi
 #=================================================
 # BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
 #=================================================
-ynh_print_info --message="Backing up the app before upgrading (may take a while)..."
+ynh_script_progression --message="Backing up the app before upgrading (may take a while)..."
 
 # Backup the current version of the app
 ynh_backup_before_upgrade
@@ -82,7 +82,7 @@ path_url=$(ynh_normalize_url_path --path_url=$path_url)
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
-ynh_print_info --message="Upgrading source files..."
+ynh_script_progression --message="Upgrading source files..."
 
 # Download, check integrity, uncompress and patch the source from app.src
 # into tmp dir
@@ -92,7 +92,7 @@ ynh_setup_source "$tmp_path"
 #=================================================
 # NGINX CONFIGURATION
 #=================================================
-ynh_print_info --message="Upgrading nginx web server configuration..."
+ynh_script_progression --message="Upgrading NGINX web server configuration..."
 
 # Create a dedicated nginx config
 ynh_add_nginx_config
@@ -100,14 +100,14 @@ ynh_add_nginx_config
 #=================================================
 # UPGRADE DEPENDENCIES
 #=================================================
-ynh_print_info --message="Upgrading dependencies..."
+ynh_script_progression --message="Upgrading dependencies..."
 
 ynh_install_app_dependencies $pkg_dependencies
 
 #=================================================
 # CREATE DEDICATED USER
 #=================================================
-ynh_print_info --message="Making sure dedicated system user exists..."
+ynh_script_progression --message="Making sure dedicated system user exists..."
 
 # Create a dedicated user (if not existing)
 ynh_system_user_create $app
@@ -115,7 +115,7 @@ ynh_system_user_create $app
 #=================================================
 # PHP-FPM CONFIGURATION
 #=================================================
-ynh_print_info --message="Upgrading php-fpm configuration..."
+ynh_script_progression --message="Upgrading PHP-FPM configuration..."
 
 # Create a dedicated php-fpm config
 ynh_add_fpm_config
@@ -141,14 +141,14 @@ ynh_secure_remove "$final_path"
 cp -rp "$tmp_path" "$final_path"
 
 #update hook for multi instance
-ynh_replace_string "APPNAMETOCHANGE" $app ../hooks/post_app_addaccess
-ynh_replace_string "APPNAMETOCHANGE" $app ../hooks/post_user_create
-ynh_replace_string "APPNAMETOCHANGE" $app ../hooks/post_user_delete
+ynh_replace_string --match_string="APPNAMETOCHANGE" --replace_string=$app --target_file="../hooks/post_app_addaccess"
+ynh_replace_string --match_string="APPNAMETOCHANGE" --replace_string=$app --target_file="../hooks/post_user_create"
+ynh_replace_string --match_string="APPNAMETOCHANGE" --replace_string=$app --target_file="../hooks/post_user_delete"
 
 #=================================================
 # CRON SETUP
 #=================================================
-ynh_print_info --message="Setting up cron..."
+ynh_script_progression --message="Setting up cron..."
 
 cron_path="/etc/cron.d/$app"
 ynh_replace_string "__FINALPATH__" $final_path ../conf/freshrss.cron
@@ -169,8 +169,7 @@ fi
 # Set permissions on app files
 chown -R root: $final_path
 chmod 755 $final_path
-chown -R $app: $final_path/data/
-chown -R $app: $final_path/extensions/
+chown -R $app: $final_path/{data,extensions}
 
 # reconfigure application with latest parameters
 $final_path/cli/reconfigure.php --default_user $admin --auth_type http_auth --environment production --base_url https://$domain$path_url --title FreshRSS --api_enabled --db-type mysql --db-host localhost --db-user $db_name --db-password $db_pwd --db-base $db_name
@@ -178,7 +177,7 @@ $final_path/cli/reconfigure.php --default_user $admin --auth_type http_auth --en
 #=================================================
 # SETUP SSOWAT
 #=================================================
-ynh_print_info --message="Upgrading SSOwat configuration..."
+ynh_script_progression --message="Upgrading SSOwat configuration..."
 
 ynh_app_setting_set --app="$app" --key=skipped_uris --value="/api/,/scripts/api.js"
 ynh_app_setting_delete --app="$app" --key=unprotected_regex
@@ -187,7 +186,7 @@ ynh_app_setting_delete --app="$app" --key=unprotected_uris
 #=================================================
 # RELOAD NGINX
 #=================================================
-ynh_print_info --message="Reloading nginx web server..."
+ynh_script_progression --message="Reloading nginx web server..."
 
 ynh_systemd_action --service_name=nginx --action=reload
 
@@ -195,4 +194,4 @@ ynh_systemd_action --service_name=nginx --action=reload
 # END OF SCRIPT
 #=================================================
 
-ynh_print_info --message="Upgrade of $app completed"
+ynh_script_progression --message="Upgrade of $app completed"