diff --git a/.gitignore b/.gitignore
index 783a4ae..8f144f3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 *~
 *.sw[op]
+.DS_Store
diff --git a/manifest.toml b/manifest.toml
index 60b0642..be93e2c 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -18,7 +18,8 @@ code = "https://github.com/zwave-js/zwave-js-ui"
 fund = "https://liberapay.com/robertsLando/donate"
 
 [integration]
-yunohost = ">= 11.1.18"
+yunohost = ">= 11.2.18"
+helpers_version = "2.1"
 architectures = [ "amd64", "armhf", "arm64" ]
 multi_instance = false
 ldap = "not_relevant"
diff --git a/scripts/_common.sh b/scripts/_common.sh
index 2d75279..c69c6a0 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 #=================================================
-# COMMON VARIABLES
+# COMMON VARIABLES AND CUSTOM HELPERS
 #=================================================
 if [[ "$YNH_ARCH" == "armhf" ]] || [[ "$YNH_ARCH" == "arm64" ]]
 then
@@ -9,14 +9,6 @@ then
 else
     file_exec="zwave-js-ui-linux"
 fi
-#=================================================
-# PERSONAL HELPERS
-#=================================================
-
-#=================================================
-# EXPERIMENTAL HELPERS
-#=================================================
-
 #=================================================
 # FUTURE OFFICIAL HELPERS
 #=================================================
\ No newline at end of file
diff --git a/scripts/backup b/scripts/backup
index 260dd79..0e2f48a 100755
--- a/scripts/backup
+++ b/scripts/backup
@@ -1,31 +1,22 @@
 #!/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
@@ -33,17 +24,16 @@ ynh_backup --src_path="/etc/nginx/conf.d/$domain.d/$app.conf"
 # BACKUP LOGROTATE
 #=================================================
 
-ynh_backup --src_path="/etc/logrotate.d/$app"
+ynh_backup "/etc/logrotate.d/$app"
 
 #=================================================
 # BACKUP SYSTEMD
 #=================================================
 
-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)."
\ No newline at end of file
+ynh_print_info "Backup script completed for $app. (YunoHost will then actually copy those files to the archive)."
\ No newline at end of file
diff --git a/scripts/change_url b/scripts/change_url
index 8a461b6..ebcdad7 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -1,11 +1,5 @@
 #!/bin/bash
 
-#=================================================
-# GENERIC STARTING
-#=================================================
-# IMPORT GENERIC HELPERS
-#=================================================
-
 source _common.sh
 source /usr/share/yunohost/helpers
 
@@ -24,33 +18,33 @@ app=$YNH_APP_INSTANCE_NAME
 #=================================================
 # LOAD SETTINGS
 #=================================================
-ynh_script_progression --message="Loading installation settings..." --weight=1
+ynh_script_progression "Loading installation settings..."
 
-# Needed for helper "ynh_add_nginx_config"
-final_path=$(ynh_app_setting_get --app=$app --key=final_path)
-port=$(ynh_app_setting_get --app=$app --key=port)
+# Needed for helper "ynh_config_add_nginx"
+final_path=$(ynh_app_setting_get --key=final_path)
+port=$(ynh_app_setting_get --key=port)
 
 # Add settings here as needed by your application
-#db_name=$(ynh_app_setting_get --app=$app --key=db_name)
+#db_name=$(ynh_app_setting_get --key=db_name)
 #db_user=$db_name
-#db_pwd=$(ynh_app_setting_get --app=$app --key=db_pwd)
+#db_pwd=$(ynh_app_setting_get --key=db_pwd)
 
 #=================================================
 # BACKUP BEFORE CHANGE URL THEN ACTIVE TRAP
 #=================================================
-ynh_script_progression --message="Backing up the app before changing its URL (may take a while)..." --weight=1
+ynh_script_progression "Backing up the app before changing its URL (may take a while)..."
 
 # Backup the current version of the app
-ynh_backup_before_upgrade
-ynh_clean_setup () {
+#REMOVEME? ynh_backup_before_upgrade
+#REMOVEME? ynh_clean_setup () {
 	# Remove the new domain config file, the remove script won't do it as it doesn't know yet its location.
-	ynh_secure_remove --file="/etc/nginx/conf.d/$new_domain.d/$app.conf"
+	ynh_safe_rm "/etc/nginx/conf.d/$new_domain.d/$app.conf"
 
 	# Restore it if the upgrade fails
-	ynh_restore_upgradebackup
+	#REMOVEME? ynh_restore_upgradebackup
 }
 # Exit if an error occurs during the execution of the script
-ynh_abort_if_errors
+#REMOVEME? ynh_abort_if_errors
 
 #=================================================
 # CHECK WHICH PARTS SHOULD BE CHANGED
@@ -68,19 +62,17 @@ then
 	change_path=1
 fi
 
-#=================================================
-# STANDARD MODIFICATIONS
 #=================================================
 # 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=$app --action="stop" --log_path="/var/log/$app/$app.log"
+ynh_systemctl --service=$app --action="stop"
 
 #=================================================
 # MODIFY URL IN NGINX CONF
 #=================================================
-ynh_script_progression --message="Updating NGINX web server configuration..." --weight=1
+ynh_script_progression "Updating NGINX web server configuration..."
 
 nginx_conf_path=/etc/nginx/conf.d/$old_domain.d/$app.conf
 
@@ -88,22 +80,22 @@ nginx_conf_path=/etc/nginx/conf.d/$old_domain.d/$app.conf
 if [ $change_path -eq 1 ]
 then
 	# Make a backup of the original NGINX config file if modified
-	ynh_backup_if_checksum_is_different --file="$nginx_conf_path"
+	ynh_backup_if_checksum_is_different "$nginx_conf_path"
 	# Set global variables for NGINX helper
 	domain="$old_domain"
 	path_url="$new_path"
 	# Create a dedicated NGINX config
-	ynh_add_nginx_config
+	ynh_config_add_nginx
 fi
 
 # Change the domain for NGINX
 if [ $change_domain -eq 1 ]
 then
 	# Delete file checksum for the old conf file location
-	ynh_delete_file_checksum --file="$nginx_conf_path"
+	ynh_delete_file_checksum "$nginx_conf_path"
 	mv $nginx_conf_path /etc/nginx/conf.d/$new_domain.d/$app.conf
 	# Store file checksum for the new config file location
-	ynh_store_file_checksum --file="/etc/nginx/conf.d/$new_domain.d/$app.conf"
+	ynh_store_file_checksum "/etc/nginx/conf.d/$new_domain.d/$app.conf"
 fi
 
 #=================================================
@@ -112,24 +104,22 @@ fi
 # ...
 #=================================================
 
-#=================================================
-# GENERIC FINALISATION
 #=================================================
 # 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=$app --action="start" --log_path="/var/log/$app/$app.log"
+ynh_systemctl --service=$app --action="start"
 
 #=================================================
 # RELOAD NGINX
 #=================================================
-ynh_script_progression --message="Reloading NGINX web server..." --weight=1
+ynh_script_progression "Reloading NGINX web server..."
 
-ynh_systemd_action --service_name=nginx --action=reload
+ynh_systemctl --service=nginx --action=reload
 
 #=================================================
 # END OF SCRIPT
 #=================================================
 
-ynh_script_progression --message="Change of URL completed for $app" --last
+ynh_script_progression "Change of URL completed for $app"
diff --git a/scripts/install b/scripts/install
index 0d3ac88..8a21be7 100755
--- a/scripts/install
+++ b/scripts/install
@@ -1,18 +1,12 @@
 #!/bin/bash
 
-#=================================================
-# GENERIC START
-#=================================================
-# IMPORT GENERIC HELPERS
-#=================================================
-
 source _common.sh
 source /usr/share/yunohost/helpers
 
 #=================================================
 # CREATE DEDICATED USER
 #=================================================
-ynh_script_progression --message="Configuring system user..." --weight=1
+ynh_script_progression "Configuring system user..."
 
 usermod -d $install_dir $app
 
@@ -29,58 +23,55 @@ fi
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
-ynh_script_progression --message="Setting up source files..." --weight=8
+ynh_script_progression "Setting up source files..."
 
 # Download, check integrity, uncompress and patch the source
-ynh_setup_source --dest_dir="$install_dir" 
-
-chmod 750 "$install_dir"
-chmod -R o-rwx "$install_dir"
-chown -R $app: "$install_dir"
+ynh_setup_source --dest_dir="$install_dir"
 
+#REMOVEME? Assuming the install dir is setup using ynh_setup_source, the proper chmod/chowns are now already applied and it shouldn't be necessary to tweak perms | chmod 750 "$install_dir"
+#REMOVEME? Assuming the install dir is setup using ynh_setup_source, the proper chmod/chowns are now already applied and it shouldn't be necessary to tweak perms | chmod -R o-rwx "$install_dir"
+#REMOVEME? Assuming the install dir is setup using ynh_setup_source, the proper chmod/chowns are now already applied and it shouldn't be necessary to tweak perms | chown -R $app: "$install_dir"
 #=================================================
 # NGINX CONFIGURATION
 #=================================================
-ynh_script_progression --message="Configuring NGINX web server..." --weight=2
+ynh_script_progression "Configuring NGINX web server..."
 
 # Create a dedicated NGINX config
-ynh_add_nginx_config
+ynh_config_add_nginx
 
 #=================================================
 # SETUP SYSTEMD
 #=================================================
-ynh_script_progression --message="Configuring a systemd service..." --weight=2
+ynh_script_progression "Configuring $app's systemd service..."
 
 # Create a dedicated systemd config
-ynh_add_systemd_config
+ynh_config_add_systemd
 
-#=================================================
-# GENERIC FINALIZATION
 #=================================================
 # SETUP LOGROTATE
 #=================================================
-ynh_script_progression --message="Configuring log rotation..." --weight=1
+ynh_script_progression "Configuring log rotation..."
 
 # Use logrotate to manage application logfile(s)
-ynh_use_logrotate --logfile="/var/log/$app/$app.log"
+ynh_config_add_logrotate "/var/log/$app/$app.log"
 
 #=================================================
 # INTEGRATE SERVICE IN YUNOHOST
 #=================================================
-ynh_script_progression --message="Integrating service in YunoHost..." --weight=1
+ynh_script_progression "Integrating service in YunoHost..."
 
 yunohost service add $app --description="Zwave integration in domoticz" --log="/var/log/$app/$app.log"
 
 #=================================================
 # START SYSTEMD SERVICE
 #=================================================
-ynh_script_progression --message="Starting a systemd service..." --weight=1
+ynh_script_progression "Starting $app's systemd service..."
 
 # Start a systemd service
-ynh_systemd_action --service_name=$app --action="start" --line_match="Listening on port" -t 30 --log_path="/var/log/$app/$app.log"
+ynh_systemctl --service=$app --action="start" --wait_until="Listening on port" -t 30
 
 #=================================================
 # 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 c9693eb..4d74294 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -1,11 +1,5 @@
 #!/bin/bash
 
-#=================================================
-# GENERIC START
-#=================================================
-# IMPORT GENERIC HELPERS
-#=================================================
-
 source _common.sh
 source /usr/share/yunohost/helpers
 
@@ -16,18 +10,18 @@ source /usr/share/yunohost/helpers
 #=================================================
 
 # 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..." --weight=1
+	ynh_script_progression "Removing $app service integration..."
 	yunohost service remove $app
 fi
 
-ynh_script_progression --message="Removing various system files..." --weight=1
+ynh_script_progression "Removing various system files..."
 
-ynh_remove_systemd_config
+ynh_config_remove_systemd
 
-ynh_remove_logrotate
+ynh_config_remove_logrotate
 
-ynh_remove_nginx_config
+ynh_config_remove_nginx
 
-ynh_script_progression --message="Removal of $app completed" --last
\ No newline at end of file
+ynh_script_progression "Removal of $app completed"
diff --git a/scripts/restore b/scripts/restore
index 71ccaa0..fac0868 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -1,20 +1,13 @@
 #!/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
 
-
 #=================================================
 # RECREATE THE DEDICATED USER
 #=================================================
-ynh_script_progression --message="Recreating the dedicated system user..." --weight=1
+ynh_script_progression "Recreating the dedicated system user..."
 
 if grep dialout -q < /etc/group; then
 	usermod -a -G dialout "$app"
@@ -26,50 +19,46 @@ if grep gpio -q < /etc/group; then
 	usermod -a -G gpio "$app"
 fi
 
-
 #=================================================
 # 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 750 "$install_dir"
-chmod -R o-rwx "$install_dir"
-chown -R $app: "$install_dir"
+#REMOVEME? Assuming the install dir is setup using ynh_setup_source, the proper chmod/chowns are now already applied and it shouldn't be necessary to tweak perms | chmod 750 "$install_dir"
+#REMOVEME? Assuming the install dir is setup using ynh_setup_source, the proper chmod/chowns are now already applied and it shouldn't be necessary to tweak perms | chmod -R o-rwx "$install_dir"
+#REMOVEME? Assuming the install dir is setup using ynh_setup_source, the proper chmod/chowns are now already applied and it shouldn't be necessary to tweak perms | chown -R $app: "$install_dir"
+ynh_script_progression "Restoring system configurations related to $app..."
 
-ynh_script_progression --message="Restoring system configurations related to $app..." --weight=1
+ynh_restore "/etc/nginx/conf.d/$domain.d/$app.conf"
 
-ynh_restore_file --origin_path="/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"
 
 mkdir -p /var/log/$app
-chown -R $app:$app /var/log/$app
+#REMOVEME? Assuming ynh_config_add_logrotate is called, the proper chmod/chowns are now already applied and it shouldn't be necessary to tweak perms | chown -R $app:$app /var/log/$app
 
 yunohost service add $app --description="Zwave integration in domoticz" --log="/var/log/$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=$app --action="start" --line_match="Listening on port" -t 30 --log_path="/var/log/$app/$app.log"
+ynh_systemctl --service=$app --action="start" --wait_until="Listening on port" -t 30
 
-#=================================================
-# GENERIC FINALIZATION
 #=================================================
 # RELOAD NGINX AND PHP-FPM
 #=================================================
-ynh_script_progression --message="Reloading NGINX web server..." --weight=1
+ynh_script_progression "Reloading NGINX web server..."
 
-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 5ad70b7..23e44c4 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -1,33 +1,19 @@
 #!/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..." --weight=1
+ynh_script_progression "Stopping $app's systemd service..."
 
-ynh_systemd_action --service_name=$app --action="stop" --log_path="/var/log/$app/$app.log"
+ynh_systemctl --service=$app --action="stop"
 
 #=================================================
 # CREATE DEDICATED USER
 #=================================================
-ynh_script_progression --message="Making sure dedicated system user exists..." --weight=1
+ynh_script_progression "Making sure dedicated system user exists..."
 
 if grep dialout -q < /etc/group; then
 	usermod -a -G dialout "$app"
@@ -43,60 +29,59 @@ fi
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
 
-if [ "$upgrade_type" == "UPGRADE_APP" ]
+# FIXME: this is still supported but the recommendation is now to *always* re-setup the app sources wether or not the upstream sources changed
+if ynh_app_upstream_version_changed
 then
-	ynh_script_progression --message="Upgrading source files..." --weight=1
+	ynh_script_progression "Upgrading source files..."
 
 	# Download, check integrity, uncompress and patch the source from app.src
 	ynh_setup_source --dest_dir="$install_dir"
 
-	chmod 750 "$install_dir"
-	chmod -R o-rwx "$install_dir"
-	chown -R $app: "$install_dir"
+	#REMOVEME? Assuming the install dir is setup using ynh_setup_source, the proper chmod/chowns are now already applied and it shouldn't be necessary to tweak perms | chmod 750 "$install_dir"
+	#REMOVEME? Assuming the install dir is setup using ynh_setup_source, the proper chmod/chowns are now already applied and it shouldn't be necessary to tweak perms | chmod -R o-rwx "$install_dir"
+	#REMOVEME? Assuming the install dir is setup using ynh_setup_source, the proper chmod/chowns are now already applied and it shouldn't be necessary to tweak perms | chown -R $app: "$install_dir"
 fi
 
 #=================================================
 # NGINX CONFIGURATION
 #=================================================
-ynh_script_progression --message="Upgrading NGINX web server configuration..." --weight=1
+ynh_script_progression "Upgrading NGINX web server configuration..."
 
 # Create a dedicated NGINX config
-ynh_add_nginx_config
+ynh_config_add_nginx
 
 #=================================================
 # SETUP SYSTEMD
 #=================================================
-ynh_script_progression --message="Upgrading systemd configuration..." --weight=1
+ynh_script_progression "Upgrading systemd configuration..."
 
 # Create a dedicated systemd config
-ynh_add_systemd_config
+ynh_config_add_systemd
 
-#=================================================
-# GENERIC FINALIZATION
 #=================================================
 # SETUP LOGROTATE
 #=================================================
-ynh_script_progression --message="Upgrading logrotate configuration..." --weight=1
+ynh_script_progression "Upgrading logrotate configuration..."
 
 # Use logrotate to manage app-specific logfile(s)
-ynh_use_logrotate --logfile="/var/log/$app/$app.log" --non-append
+ynh_config_add_logrotate "/var/log/$app/$app.log"
 
 #=================================================
 # INTEGRATE SERVICE IN YUNOHOST
 #=================================================
-ynh_script_progression --message="Integrating service in YunoHost..." --weight=1
+ynh_script_progression "Integrating service in YunoHost..."
 
 yunohost service add $app --description="Zwave integration in domoticz" --log="/var/log/$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=$app --action="start" --line_match="Listening on port" -t 30 --log_path="/var/log/$app/$app.log"
+ynh_systemctl --service=$app --action="start" --wait_until="Listening on port" -t 30
 
 #=================================================
 # END OF SCRIPT
 #=================================================
 
-ynh_script_progression --message="Upgrade of $app completed" --last
\ No newline at end of file
+ynh_script_progression "Upgrade of $app completed"
diff --git a/sources/extra_files/app/.gitignore b/sources/extra_files/app/.gitignore
deleted file mode 100644
index 783a4ae..0000000
--- a/sources/extra_files/app/.gitignore
+++ /dev/null
@@ -1,2 +0,0 @@
-*~
-*.sw[op]
diff --git a/sources/patches/.gitignore b/sources/patches/.gitignore
deleted file mode 100644
index 783a4ae..0000000
--- a/sources/patches/.gitignore
+++ /dev/null
@@ -1,2 +0,0 @@
-*~
-*.sw[op]