diff --git a/manifest.toml b/manifest.toml
index 456cf6f..82f7b6e 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -17,7 +17,8 @@ admindoc = "https://docs.joinplu.me/"
 code = "https://github.com/Plume-org/Plume"
 
 [integration]
-yunohost = ">= 11.1.19"
+yunohost = ">= 11.2.18"
+helpers_version = "2.1"
 architectures = ["amd64", "arm64"]
 multi_instance = true
 ldap = true
@@ -40,8 +41,8 @@ ram.runtime = "50M"
     [install.password]
     type = "password"
 
-    [install.name]
-    ask.en = "Choose a name for your Plume instance"
+    [install.title]
+    ask.en = "Choose a nom for your Plume instance"
     ask.fr = "Choisissez un nom pour votre instance Plume"
     type = "string"
     example = "My blog"
diff --git a/scripts/_common.sh b/scripts/_common.sh
index 944a65e..3d7f008 100755
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -1,17 +1,5 @@
 #!/bin/bash
 
 #=================================================
-# COMMON VARIABLES
-#=================================================
-
-#=================================================
-# PERSONAL HELPERS
-#=================================================
-
-#=================================================
-# EXPERIMENTAL HELPERS
-#=================================================
-
-#=================================================
-# FUTURE OFFICIAL HELPERS
+# COMMON VARIABLES AND CUSTOM HELPERS
 #=================================================
diff --git a/scripts/backup b/scripts/backup
index 0f520f0..72ec55d 100755
--- a/scripts/backup
+++ b/scripts/backup
@@ -1,55 +1,35 @@
 #!/bin/bash
 
-#=================================================
-# GENERIC START
-#=================================================
-# IMPORT GENERIC HELPERS
-#=================================================
-
-# Keep this path for calling _common.sh inside the execution's context of backup and restore scripts
 source ../settings/scripts/_common.sh
 source /usr/share/yunohost/helpers
 
-#=================================================
-# DECLARE DATA AND CONF FILES TO BACKUP
-#=================================================
-ynh_print_info --message="Declaring files to be backed up..."
+ynh_print_info "Declaring files to be backed up..."
 
 #=================================================
 # BACKUP THE APP MAIN DIR
 #=================================================
 
-ynh_backup --src_path="$install_dir"
+ynh_backup "$install_dir"
 
 #=================================================
 # BACKUP THE NGINX CONFIGURATION
 #=================================================
 
-ynh_backup --src_path="/etc/nginx/conf.d/$domain.d/$app.conf"
+ynh_backup "/etc/nginx/conf.d/$domain.d/$app.conf"
 
-#=================================================
-# SPECIFIC BACKUP
-#=================================================
-# BACKUP LOGROTATE
-#=================================================
-
-ynh_backup --src_path="/etc/logrotate.d/$app"
-
-#=================================================
-# BACKUP SYSTEMD
-#=================================================
+ynh_backup "/etc/logrotate.d/$app"
 
-ynh_backup --src_path="/etc/systemd/system/$app.service"
+ynh_backup "/etc/systemd/system/$app.service"
 
 #=================================================
 # BACKUP THE POSTGRESQL DATABASE
 #=================================================
-ynh_print_info --message="Backing up the PostgreSQL database..."
+ynh_print_info "Backing up the PostgreSQL database..."
 
-ynh_psql_dump_db --database="$db_name" > db.sql
+ynh_psql_dump_db > db.sql
 
 #=================================================
 # END OF SCRIPT
 #=================================================
 
-ynh_print_info --message="Backup script completed for $app. (YunoHost will then actually copy those files to the archive)."
+ynh_print_info "Backup script completed for $app. (YunoHost will then actually copy those files to the archive)."
diff --git a/scripts/change_url b/scripts/change_url
index 595509a..8ef50b1 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -1,56 +1,43 @@
 #!/bin/bash
 
-#=================================================
-# GENERIC STARTING
-#=================================================
-# IMPORT GENERIC HELPERS
-#=================================================
-
 source _common.sh
 source /usr/share/yunohost/helpers
 
-#=================================================
-# STANDARD MODIFICATIONS
 #=================================================
 # STOP SYSTEMD SERVICE
 #=================================================
-ynh_script_progression --message="Stopping a systemd service..."
+ynh_script_progression "Stopping $app's systemd service..."
 
-ynh_systemd_action --service_name=$app --action="stop" --log_path="systemd" --line_match="Stopped plume"
+ynh_systemctl --service=$app --action="stop" --log_path="systemd" --wait_until="Stopped plume"
 
 #=================================================
 # MODIFY URL IN NGINX CONF
 #=================================================
-ynh_script_progression --message="Updating NGINX web server configuration..."
+ynh_script_progression "Updating NGINX web server configuration..."
 
-ynh_change_url_nginx_config
+ynh_config_change_url_nginx
 
-#=================================================
-# SPECIFIC MODIFICATIONS
 #=================================================
 # MODIFY A CONFIG FILE
 #=================================================
-ynh_script_progression --message="Modifying a config file..."
+ynh_script_progression "Updating configuration..."
 
 config_file="$install_dir/$app/.env"
-ynh_backup_if_checksum_is_different --file=$config_file
-ynh_replace_string --match_string="$old_domain" --replace_string="$new_domain" --target_file=$config_file
 
-# Recalculate and store the checksum of the file for the next upgrade.
-ynh_store_file_checksum --file=$config_file
+ynh_backup_if_checksum_is_different $config_file
+ynh_replace --match="$old_domain" --replace="$new_domain" --file=$config_file
+
+ynh_store_file_checksum $config_file
 
-#=================================================
-# GENERIC FINALISATION
 #=================================================
 # START SYSTEMD SERVICE
 #=================================================
-ynh_script_progression --message="Starting a systemd service..."
+ynh_script_progression "Starting $app's systemd service..."
 
-# Start a systemd service
-ynh_systemd_action --service_name=$app --action="start" --log_path="systemd" --line_match="Started plume"
+ynh_systemctl --service=$app --action="start" --log_path="systemd" --wait_until="Started plume"
 
 #=================================================
 # END OF SCRIPT
 #=================================================
 
-ynh_script_progression --message="Change of URL completed for $app"
+ynh_script_progression "Change of URL completed for $app"
diff --git a/scripts/install b/scripts/install
index f82c096..e977faa 100755
--- a/scripts/install
+++ b/scripts/install
@@ -1,11 +1,5 @@
 #!/bin/bash
 
-#=================================================
-# GENERIC START
-#=================================================
-# IMPORT GENERIC HELPERS
-#=================================================
-
 source _common.sh
 source /usr/share/yunohost/helpers
 
@@ -19,113 +13,91 @@ secret_key=$(ynh_string_random --length=32 | base64)
 #=================================================
 # STORE SETTINGS FROM MANIFEST
 #=================================================
-ynh_script_progression --message="Storing installation settings..."
+ynh_script_progression "Storing installation settings..."
 
-ynh_app_setting_set --app=$app --key=admin_email --value=$admin_email
-ynh_app_setting_set --app=$app --key=secret_key --value=$secret_key
+ynh_app_setting_set --key=admin_email --value=$admin_email
+ynh_app_setting_set --key=secret_key --value=$secret_key
 
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
-ynh_script_progression --message="Setting up source files..."
+ynh_script_progression "Setting up source files..."
 
-# Download, check integrity, uncompress and patch the source from app.src
 ynh_setup_source --dest_dir="$install_dir/$app"
 
-# Create the media directory, where uploads will be stored
 mkdir -p $install_dir/media
 
-# Create the cargo directory
 mkdir -p $install_dir/.cargo/bin
 
-# Move binaries
 mv $install_dir/$app/bin/* $install_dir/.cargo/bin/
 chmod +x $install_dir/.cargo/bin/*
 
-# Remove empty bin directory
-ynh_secure_remove --file="$install_dir/$app/bin"
+ynh_safe_rm "$install_dir/$app/bin"
 
 chmod 750 "$install_dir"
 chmod -R o-rwx "$install_dir"
 chown -R $app:$app "$install_dir"
 
-#=================================================
-# NGINX CONFIGURATION
-#=================================================
-ynh_script_progression --message="Configuring NGINX web server..."
-
-# Create a dedicated NGINX config
-ynh_add_nginx_config
-
-#=================================================
-# SPECIFIC SETUP
 #=================================================
 # CREATE LOG FOLDER
 #=================================================
 
 mkdir -p "/var/log/$app"
-chown -R "$app":"$app" "/var/log/$app"
 
 #=================================================
 # ADD A CONFIGURATION
 #=================================================
-ynh_script_progression --message="Adding a config file..."
+ynh_script_progression "Adding a config file..."
 
-ynh_add_config --template="../conf/.env" --destination="$install_dir/$app/.env"
-
-chmod 400 "$install_dir/$app/.env"
-chown $app:$app "$install_dir/$app/.env"
+ynh_config_add --template=".env" --destination="$install_dir/$app/.env"
 
 #=================================================
 # MAKE SETUP
 #=================================================
-ynh_script_progression --message="Making setup..."
-
-# Set right permissions 
-chown -R "$app":"$app" $install_dir
+ynh_script_progression "Making setup..."
 
-export PATH="$PATH:$install_dir/.cargo/bin:$install_dir/.local/bin:/usr/local/sbin" 
+export PATH="$PATH:$install_dir/.cargo/bin:$install_dir/.local/bin:/usr/local/sbin"
 
 pushd $install_dir/$app
-	sudo -u "$app" env PATH=$PATH plm migration run
+	ynh_exec_as_app PATH=$PATH plm migration run
 
 	# Add new instance
 	if [ $registration -eq 1 ]
 	then
-		sudo -u "$app" env PATH=$PATH plm instance new  --domain "$domain" --name "$name" -l 'CC-BY'
+		ynh_exec_as_app PATH=$PATH plm instance new  --domain "$domain" --name "$name" -l 'CC-BY'
 	else
-		sudo -u "$app" env PATH=$PATH plm instance new --private --domain "$domain" --name "$name" -l 'CC-BY'
+		ynh_exec_as_app PATH=$PATH plm instance new --private --domain "$domain" --name "$name" -l 'CC-BY'
 	fi
 
 	# Add admin user
-	sudo -u "$app" env PATH=$PATH plm users new --admin -n "$admin" -N "$admin"  --email "$admin_email" --password "$password"
+	ynh_exec_as_app PATH=$PATH plm users new --admin -n "$admin" -N "$admin"  --email "$admin_email" --password "$password"
 
 	# Initialise search index
-	sudo -u "$app" env PATH=$PATH plm search init -p $install_dir/$app
+	ynh_exec_as_app PATH=$PATH plm search init -p $install_dir/$app
 popd
 
 #=================================================
 # SETUP SYSTEMD
 #=================================================
-ynh_script_progression --message="Configuring a systemd service..."
+ynh_script_progression "Configuring $app's systemd service..."
+
+ynh_config_add_nginx
 
-# Create a dedicated systemd config
-ynh_add_systemd_config
+ynh_config_add_systemd
 
-# Use logrotate to manage application logfile(s)
-ynh_use_logrotate
+ynh_config_add_logrotate
 
 yunohost service add $app --description="$app daemon for Plume" --log="/var/log/$app/$app.log"
 
 #=================================================
 # START SYSTEMD SERVICE
 #=================================================
-ynh_script_progression --message="Starting a systemd service..."
+ynh_script_progression "Starting $app's systemd service..."
 
-ynh_systemd_action --service_name=$app --action="start" --log_path="systemd" --line_match="Started plume"
+ynh_systemctl --service=$app --action="start" --log_path="systemd" --wait_until="Started plume"
 
 #=================================================
 # END OF SCRIPT
 #=================================================
 
-ynh_script_progression --message="Installation of $app completed"
+ynh_script_progression "Installation of $app completed"
diff --git a/scripts/remove b/scripts/remove
index b49ad97..c8949d1 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -1,62 +1,39 @@
 #!/bin/bash
 
-#=================================================
-# GENERIC START
-#=================================================
-# IMPORT GENERIC HELPERS
-#=================================================
-
 source _common.sh
 source /usr/share/yunohost/helpers
 
-#=================================================
-# STANDARD REMOVE
 #=================================================
 # REMOVE SERVICE INTEGRATION IN YUNOHOST
 #=================================================
 
-# Remove the service from the list of services known by YunoHost (added from `yunohost service add`)
-if ynh_exec_warn_less yunohost service status $app >/dev/null
-then
-	ynh_script_progression --message="Removing $app service integration..."
+if ynh_hide_warnings yunohost service status $app >/dev/null; then
 	yunohost service remove $app
 fi
 
-# Remove the dedicated systemd config
-ynh_remove_systemd_config
+ynh_config_remove_systemd
 
-# Remove the app-specific logrotate config
-ynh_remove_logrotate
+ynh_config_remove_logrotate
 
-# Remove the dedicated NGINX config
-ynh_remove_nginx_config
+ynh_config_remove_nginx
 
 #=================================================
 # REMOVE DEPENDENCIES
 #=================================================
-ynh_script_progression --message="Removing dependencies..."
+ynh_script_progression "Removing dependencies..."
 
-export PATH="$PATH:$install_dir/.cargo/bin:$install_dir/.local/bin:/usr/local/sbin" 
+export PATH="$PATH:$install_dir/.cargo/bin:$install_dir/.local/bin:/usr/local/sbin"
 
 pushd $install_dir/$app
-	sudo -u "$app" env PATH=$PATH cargo uninstall diesel_cli
+	ynh_exec_as_app PATH=$PATH cargo uninstall diesel_cli
 popd
 
 if [ -d "/usr/local/lib/rustlib" ]; then
 	sudo /usr/local/lib/rustlib/uninstall.sh
 fi
 
-#=================================================
-# SPECIFIC REMOVE
-#=================================================
-# REMOVE VARIOUS FILES
-#=================================================
-ynh_script_progression --message="Removing various files..."
-
-# Remove the log files
-
 #=================================================
 # END OF SCRIPT
 #=================================================
 
-ynh_script_progression --message="Removal of $app completed"
+ynh_script_progression "Removal of $app completed"
diff --git a/scripts/restore b/scripts/restore
index 35603db..ce342d6 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -1,65 +1,54 @@
 #!/bin/bash
 
-#=================================================
-# GENERIC START
-#=================================================
-# IMPORT GENERIC HELPERS
-#=================================================
-
-# Keep this path for calling _common.sh inside the execution's context of backup and restore scripts
 source ../settings/scripts/_common.sh
 source /usr/share/yunohost/helpers
 
 #=================================================
 # RESTORE THE APP MAIN DIR
 #=================================================
-ynh_script_progression --message="Restoring the app main directory..."
-
-ynh_restore_file --origin_path="$install_dir"
+ynh_script_progression "Restoring the app main directory..."
 
-chmod -R o-rwx "$install_dir"
-chown -R $app:$app "$install_dir"
+ynh_restore "$install_dir"
 
 #=================================================
 # CREATE LOG FOLDER
 #=================================================
-ynh_script_progression --message="Creating log folder..."
+ynh_script_progression "Creating log folder..."
 
 mkdir -p "/var/log/$app"
-chown -R "$app":"$app" "/var/log/$app"
 
 #=================================================
 # RESTORE THE POSTGRESQL DATABASE
 #=================================================
-ynh_script_progression --message="Restoring the PostgreSQL database..."
+ynh_script_progression "Restoring the PostgreSQL database..."
 
-ynh_psql_execute_file_as_root --file="./db.sql" --database="$db_name"
+ynh_psql_db_shell < ./db.sql
 
 #=================================================
 # RESTORE SYSTEMD
 #=================================================
-ynh_script_progression --message="Restoring the systemd configuration..."
+ynh_script_progression "Restoring $app's systemd service..."
 
-ynh_restore_file --origin_path="/etc/nginx/conf.d/$domain.d/$app.conf"
+ynh_restore "/etc/nginx/conf.d/$domain.d/$app.conf"
 
-ynh_restore_file --origin_path="/etc/systemd/system/$app.service"
+ynh_restore "/etc/systemd/system/$app.service"
 systemctl enable $app.service --quiet
 
-ynh_restore_file --origin_path="/etc/logrotate.d/$app"
+ynh_restore "/etc/logrotate.d/$app"
 
 yunohost service add $app --description="$app daemon for Plume" --log="/var/log/$app/$app.log"
 
 #=================================================
 # START SYSTEMD SERVICE
 #=================================================
-ynh_script_progression --message="Starting a systemd service..."
+ynh_script_progression "Starting $app's systemd service..."
 
-ynh_systemd_action --service_name=$app --action="start" --log_path="systemd" --line_match="Started plume"
+ynh_systemctl --service=$app --action="start" --log_path="systemd" --wait_until="Started plume"
 
-ynh_systemd_action --service_name=nginx --action=reload
+ynh_systemctl --service=nginx --action=reload
 
 #=================================================
 # END OF SCRIPT
 #=================================================
 
-ynh_script_progression --message="Restoration completed for $app"
+ynh_script_progression "Restoration completed for $app"
diff --git a/scripts/upgrade b/scripts/upgrade
index 3879f8a..bf1aedc 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -1,124 +1,78 @@
 #!/bin/bash
 
-#=================================================
-# GENERIC START
-#=================================================
-# IMPORT GENERIC HELPERS
-#=================================================
-
 source _common.sh
 source /usr/share/yunohost/helpers
 
-#=================================================
-# CHECK VERSION
-#=================================================
-
-upgrade_type=$(ynh_check_app_version_changed)
-
-#=================================================
-# STANDARD UPGRADE STEPS
 #=================================================
 # STOP SYSTEMD SERVICE
 #=================================================
-ynh_script_progression --message="Stopping a systemd service..."
+ynh_script_progression "Stopping $app's systemd service..."
 
-ynh_systemd_action --service_name=$app --action="stop" --log_path="systemd" --line_match="Stopped plume"
+ynh_systemctl --service=$app --action="stop" --log_path="systemd" --wait_until="Stopped plume"
 
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
+ynh_script_progression "Upgrading source files..."
 
-if [ "$upgrade_type" == "UPGRADE_APP" ]
-then
-	ynh_script_progression --message="Upgrading source files..."
+ynh_setup_source --dest_dir="$install_dir/$app" --keep="$app/.env"
 
-	# Download, check integrity, uncompress and patch the source from app.src
-	ynh_setup_source --dest_dir="$install_dir/$app" --keep="$app/.env"
 
-	# Move binaries
-	mv $install_dir/$app/bin/* $install_dir/.cargo/bin/
-	chmod +x $install_dir/.cargo/bin/*
+mv $install_dir/$app/bin/* $install_dir/.cargo/bin/
+chmod +x $install_dir/.cargo/bin/*
 
-	# Remove empty bin directory
-	ynh_secure_remove --file="$install_dir/$app/bin"
-fi
+ynh_safe_rm "$install_dir/$app/bin"
 
 chmod -R o-rwx "$install_dir"
 chown -R $app:$app "$install_dir"
 
-#=================================================
-# NGINX CONFIGURATION
-#=================================================
-ynh_script_progression --message="Upgrading NGINX web server configuration..."
-
-# Create a dedicated NGINX config
-ynh_add_nginx_config
-
-#=================================================
-# SPECIFIC UPGRADE
 #=================================================
 # CREATE LOG FOLDER
 #=================================================
-ynh_script_progression --message="Creating log folder..."
+ynh_script_progression "Creating log folder..."
 
 mkdir -p "/var/log/$app"
-chown -R "$app":"$app" "/var/log/$app"
 
 #=================================================
 # UPDATE A CONFIG FILE
 #=================================================
-ynh_script_progression --message="Updating a configuration file..."
+ynh_script_progression "Updating configuration..."
 
-ynh_add_config --template="../conf/.env" --destination="$install_dir/$app/.env"
-
-chmod 400 "$install_dir/$app/.env"
-chown $app:$app "$install_dir/$app/.env"
+ynh_config_add --template=".env" --destination="$install_dir/$app/.env"
 
 #=================================================
 # MAKE SETUP
 #=================================================
-ynh_script_progression --message="Making setup..."
+ynh_script_progression "Making setup..."
 
-export PATH="$PATH:$install_dir/.cargo/bin:$install_dir/.local/bin:/usr/local/sbin" 
+export PATH="$PATH:$install_dir/.cargo/bin:$install_dir/.local/bin:/usr/local/sbin"
 
 pushd $install_dir/$app
-	sudo -u "$app" env PATH=$PATH plm migration run
-popd 
+	ynh_exec_as_app PATH=$PATH plm migration run
+popd
 
 #=================================================
 # SETUP SYSTEMD
 #=================================================
-ynh_script_progression --message="Upgrading systemd configuration..."
-
-# Create a dedicated systemd config
-ynh_add_systemd_config
+ynh_script_progression "Upgrading systemd configuration..."
 
-#=================================================
-# GENERIC FINALIZATION
-#=================================================
-# SETUP LOGROTATE
-#=================================================
-ynh_script_progression --message="Upgrading logrotate configuration..."
+ynh_config_add_nginx
 
-# Use logrotate to manage app-specific logfile(s)
-ynh_use_logrotate --non-append
+ynh_config_add_systemd
 
-#=================================================
-# INTEGRATE SERVICE IN YUNOHOST
-#=================================================
-ynh_script_progression --message="Integrating service in YunoHost..."
+ynh_config_add_logrotate
 
 yunohost service add $app --description="$app daemon for Plume" --log="/var/log/$app/$app.log"
 
 #=================================================
 # START SYSTEMD SERVICE
 #=================================================
-ynh_script_progression --message="Starting a systemd service..."
+ynh_script_progression "Starting $app's systemd service..."
 
-ynh_systemd_action --service_name=$app --action="start" --log_path="systemd" --line_match="Started plume"
+ynh_systemctl --service=$app --action="start" --log_path="systemd" --wait_until="Started plume"
 
 #=================================================
 # END OF SCRIPT
 #=================================================
 
-ynh_script_progression --message="Upgrade of $app completed"
+ynh_script_progression "Upgrade of $app completed"
diff --git a/tests.toml b/tests.toml
index 27e3dbb..d49d9dc 100644
--- a/tests.toml
+++ b/tests.toml
@@ -6,7 +6,7 @@ test_format = 1.0
     # Default args to use for install
     # -------------------------------
 
-    	args.name="my blog"
+    	args.title="my blog"
 		args.registration=0
 
     # -------------------------------