diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..8f144f3
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+*~
+*.sw[op]
+.DS_Store
diff --git a/conf/systemd.service b/conf/systemd.service
index 62622e7..baf54ed 100755
--- a/conf/systemd.service
+++ b/conf/systemd.service
@@ -7,9 +7,9 @@ Type=simple
 User=__APP__
 Group=__APP__
 WorkingDirectory=__INSTALL_DIR__/
-Environment=PATH=__YNH_NODE_LOAD_PATH__
+Environment=PATH=__PATH_WITH_NODEJS__
 Environment=NODE_ENV=production
-ExecStart=__YNH_NODE__ tiddlywiki ++languages/__LANGUAGE__ __DATA_DIR__ --listen port=__PORT__
+ExecStart=__NODEJS_DIR__/node tiddlywiki ++languages/__LANGUAGE__ __DATA_DIR__ --listen port=__PORT__
 Restart=always
 
 # Sandboxing options to harden security
diff --git a/manifest.toml b/manifest.toml
index 3f288e9..4db1efe 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -19,6 +19,7 @@ fund = "https://opencollective.com/tiddlywiki"
 
 [integration]
 yunohost = ">= 11.2"
+helpers_version = "2.1"
 architectures = "all"
 multi_instance = true
 
diff --git a/scripts/_common.sh b/scripts/_common.sh
index ec0f54e..87e1075 100755
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -1,19 +1,7 @@
 #!/bin/bash
 
 #=================================================
-# COMMON VARIABLES
+# COMMON VARIABLES AND CUSTOM HELPERS
 #=================================================
 
 nodejs_version="20"
-
-#=================================================
-# PERSONAL HELPERS
-#=================================================
-
-#=================================================
-# EXPERIMENTAL HELPERS
-#=================================================
-
-#=================================================
-# FUTURE OFFICIAL HELPERS
-#=================================================
diff --git a/scripts/backup b/scripts/backup
index 3badad1..8f04146 100755
--- a/scripts/backup
+++ b/scripts/backup
@@ -1,42 +1,33 @@
 #!/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 DATA DIR
 #=================================================
 
-ynh_backup --src_path="$data_dir" --is_big
+ynh_backup "$data_dir"
 
 #=================================================
 # SYSTEM CONFIGURATION
 #=================================================
 
-ynh_backup --src_path="/etc/nginx/conf.d/$domain.d/$app.conf"
+ynh_backup "/etc/nginx/conf.d/$domain.d/$app.conf"
 
-ynh_backup --src_path="/etc/systemd/system/$app.service"
+ynh_backup "/etc/systemd/system/$app.service"
 
 #=================================================
 # 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 bfed5b8..f8ffa61 100755
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -1,41 +1,31 @@
 #!/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=$app --action="stop"
+ynh_systemctl --service=$app --action="stop"
 
 #=================================================
 # 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
 
-#=================================================
-# GENERIC FINALISATION
 #=================================================
 # START SYSTEMD SERVICE
 #=================================================
-ynh_script_progression --message="Starting a systemd service..."
+ynh_script_progression "Starting $app's systemd service..."
 
-ynh_systemd_action --service_name=$app --action="start" --log_path="systemd" --line_match="Serving on"
+ynh_systemctl --service=$app --action="start" --log_path="systemd" --wait_until="Serving on"
 
 #=================================================
 # 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 a3fc83e..34b11ef 100755
--- a/scripts/install
+++ b/scripts/install
@@ -1,27 +1,20 @@
 #!/bin/bash
 
-#=================================================
-# GENERIC START
-#=================================================
-# IMPORT GENERIC HELPERS
-#=================================================
-
 source _common.sh
 source /usr/share/yunohost/helpers
 
 #=================================================
 # INSTALL DEPENDENCIES
 #=================================================
-ynh_script_progression --message="Installing dependencies..."
+ynh_script_progression "Installing dependencies..."
 
-ynh_exec_warn_less ynh_install_nodejs --nodejs_version=$nodejs_version
+ynh_nodejs_install
 
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
-ynh_script_progression --message="Setting up source files..." --weight=1
+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"
 
 chmod -R o-rwx "$install_dir"
@@ -30,39 +23,36 @@ chown -R $app:www-data "$install_dir"
 #=================================================
 # SYSTEM CONFIGURATION
 #=================================================
-ynh_script_progression --message="Adding system configurations related to $app..." --weight=1
+ynh_script_progression "Adding system configurations related to $app..."
 
-# Create a dedicated NGINX config
-ynh_add_nginx_config
+ynh_config_add_nginx
 
-# Create a dedicated systemd config
-ynh_add_systemd_config
+ynh_config_add_systemd
 
-yunohost service add $app --description="A non-linear personal web notebook" --log="/var/log/$app/$app.log"
+yunohost service add $app --description="Non-linear personal web notebook" --log="/var/log/$app/$app.log"
 
 #=================================================
 # ADD A CONFIGURATION
 #=================================================
-ynh_script_progression --message="Configuring $app..." --weight=2
+ynh_script_progression "Configuring $app..."
 
 if [ ! -f $data_dir/tiddlywiki.info ]
 then
 	pushd $install_dir
-		ynh_use_nodejs
-		ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH ./tiddlywiki.js $data_dir --init server
+		ynh_hide_warnings ynh_exec_as_app --preserve-env=PATH ./tiddlywiki.js $data_dir --init server
 	popd
 fi
 
 #=================================================
 # START SYSTEMD SERVICE
 #=================================================
-ynh_script_progression --message="Starting a systemd service..." --weight=2
+ynh_script_progression "Starting $app's systemd service..."
 
 # Start a systemd service
-ynh_systemd_action --service_name=$app --action="start" --log_path="systemd" --line_match="Serving on"
+ynh_systemctl --service=$app --action="start" --log_path="systemd" --wait_until="Serving on"
 
 #=================================================
 # END OF SCRIPT
 #=================================================
 
-ynh_script_progression --message="Installation of $app completed" --last
+ynh_script_progression "Installation of $app completed"
diff --git a/scripts/remove b/scripts/remove
index 14092e4..72a6f1a 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -1,38 +1,27 @@
 #!/bin/bash
 
-#=================================================
-# GENERIC START
-#=================================================
-# IMPORT GENERIC HELPERS
-#=================================================
-
 source _common.sh
 source /usr/share/yunohost/helpers
 
 #=================================================
 # REMOVE SYSTEM CONFIGURATIONS
 #=================================================
-# REMOVE SYSTEMD SERVICE 
-#=================================================
-ynh_script_progression --message="Removing system configurations related to $app..." --weight=1
+ynh_script_progression "Removing system configurations related to $app..."
 
-# 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
+if ynh_hide_warnings yunohost service status $app >/dev/null
 then
-	ynh_script_progression --message="Removing $app service integration..."
+	ynh_script_progression "Removing $app service integration..."
 	yunohost service remove $app
 fi
 
-# Remove the dedicated systemd config
-ynh_remove_systemd_config
+ynh_config_remove_systemd
 
-# Remove the dedicated NGINX config
-ynh_remove_nginx_config
+ynh_config_remove_nginx
 
-ynh_remove_nodejs
+ynh_nodejs_remove
 
 #=================================================
 # 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 2987fa2..da793b5 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -1,11 +1,5 @@
 #!/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
@@ -13,9 +7,9 @@ source /usr/share/yunohost/helpers
 #=================================================
 # RESTORE THE APP MAIN DIR
 #=================================================
-ynh_script_progression --message="Restoring the app main directory..." --weight=1
+ynh_script_progression "Restoring the app main directory..."
 
-ynh_restore_file --origin_path="$install_dir"
+ynh_restore "$install_dir"
 
 chmod -R o-rwx "$install_dir"
 chown -R $app:www-data "$install_dir"
@@ -23,50 +17,42 @@ chown -R $app:www-data "$install_dir"
 #=================================================
 # RESTORE THE DATA DIRECTORY
 #=================================================
-ynh_script_progression --message="Restoring the data directory..." --weight=3
+ynh_script_progression "Restoring the data directory..."
 
-ynh_restore_file --origin_path="$data_dir" --not_mandatory
+ynh_restore "$data_dir"
 
 chown -R $app:www-data "$data_dir"
 
-#=================================================
-# SPECIFIC RESTORATION
 #=================================================
 # REINSTALL DEPENDENCIES
 #=================================================
-ynh_script_progression --message="Reinstalling dependencies..." --weight=1
+ynh_script_progression "Reinstalling dependencies..."
 
-# Install Nodejs
-ynh_exec_warn_less ynh_install_nodejs --nodejs_version=$nodejs_version
-ynh_use_nodejs
+ynh_nodejs_install
 
 #=================================================
 # RESTORE SYSTEM CONFIGURATIONS
 #=================================================
-# RESTORE THE PHP-FPM CONFIGURATION
-#=================================================
-ynh_script_progression --message="Restoring system configurations related to $app..." --weight=1
+ynh_script_progression "Restoring system configurations related to $app..."
 
-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
 
-yunohost service add $app --description="A non-linear personal web notebook" --log="/var/log/$app/$app.log"
+yunohost service add $app --description="Non-linear personal web notebook" --log="/var/log/$app/$app.log"
 
-#=================================================
-# GENERIC FINALIZATION
 #=================================================
 # RELOAD NGINX AND PHP-FPM OR THE APP SERVICE
 #=================================================
-ynh_script_progression --message="Reloading NGINX web server and $app's service..." --weight=1
+ynh_script_progression "Reloading NGINX web server and $app's service..."
 
-ynh_systemd_action --service_name=$app --action="start" --log_path="systemd" --line_match="Serving on"
+ynh_systemctl --service=$app --action="start" --log_path="systemd" --wait_until="Serving on"
 
-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" --last
+ynh_script_progression "Restoration completed for $app"
diff --git a/scripts/upgrade b/scripts/upgrade
index 5ba433d..8fa48ea 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -1,30 +1,21 @@
 #!/bin/bash
 
-#=================================================
-# GENERIC START
-#=================================================
-# IMPORT GENERIC HELPERS
-#=================================================
-
 source _common.sh
 source /usr/share/yunohost/helpers
 
-#=================================================
-# STANDARD UPGRADE STEPS
 #=================================================
 # STOP SYSTEMD SERVICE
 #=================================================
-ynh_script_progression --message="Stopping a systemd service..." --weight=1
+ynh_script_progression "Stopping $app's systemd service..."
 
-ynh_systemd_action --service_name=$app --action="stop"
+ynh_systemctl --service=$app --action="stop"
 
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
-ynh_script_progression --message="Upgrading source files..."
+ynh_script_progression "Upgrading source files..."
 
-# Download, check integrity, uncompress and patch the source from app.src
-ynh_setup_source --dest_dir="$install_dir" --full_replace=1
+ynh_setup_source --dest_dir="$install_dir" --full_replace
 
 chmod -R o-rwx "$install_dir"
 chown -R $app:www-data "$install_dir"
@@ -32,32 +23,30 @@ chown -R $app:www-data "$install_dir"
 #=================================================
 # UPGRADE DEPENDENCIES
 #=================================================
-ynh_script_progression --message="Upgrading dependencies..." --weight=1
+ynh_script_progression "Upgrading dependencies..."
 
-ynh_exec_warn_less ynh_install_nodejs --nodejs_version=$nodejs_version
+ynh_nodejs_install
 
 #=================================================
 # REAPPLY SYSTEM CONFIGURATIONS
 #=================================================
-ynh_script_progression --message="Upgrading system configurations related to $app..." --weight=5
+ynh_script_progression "Upgrading system configurations related to $app..."
 
-# Create a dedicated NGINX config
-ynh_add_nginx_config
+ynh_config_add_nginx
 
-# Create a dedicated systemd config
-ynh_add_systemd_config
+ynh_config_add_systemd
 
-yunohost service add $app --description="A non-linear personal web notebook" --log="/var/log/$app/$app.log"
+yunohost service add $app --description="Non-linear personal web notebook" --log="/var/log/$app/$app.log"
 
 #=================================================
 # START SYSTEMD SERVICE
 #=================================================
-ynh_script_progression --message="Starting a systemd service..." --weight=1
+ynh_script_progression "Starting $app's systemd service..."
 
-ynh_systemd_action --service_name=$app --action="start" --log_path="systemd" --line_match="Serving on"
+ynh_systemctl --service=$app --action="start" --log_path="systemd" --wait_until="Serving on"
 
 #=================================================
 # END OF SCRIPT
 #=================================================
 
-ynh_script_progression --message="Upgrade of $app completed" --last
+ynh_script_progression "Upgrade of $app completed"