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 7c4887f..8af7d2d 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -20,7 +20,8 @@ cpe = "cpe:2.3:a:pydio:cells"
 fund = "https://pydio.com/en/pricing"
 
 [integration]
-yunohost = ">= 11.2"
+yunohost = ">= 11.2.18"
+helpers_version = "2.1"
 architectures = ["amd64", "armhf", "arm64"]
 multi_instance = true
 
diff --git a/scripts/_common.sh b/scripts/_common.sh
index 944a65e..3d7f008 100644
--- 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 ea3891d..6bc91a7 100755
--- a/scripts/backup
+++ b/scripts/backup
@@ -1,49 +1,40 @@
 #!/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"
 
 #=================================================
 # BACKUP THE MYSQL DATABASE
 #=================================================
-ynh_print_info --message="Backing up the MySQL database..."
+ynh_print_info "Backing up the MySQL database..."
 
-ynh_mysql_dump_db --database="$db_name" > db.sql
+ynh_mysql_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 546471e..6977c19 100644
--- 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..." --weight=1
+ynh_script_progression "Stopping $app's systemd service..."
 
-ynh_systemd_action --service_name="$app" --action="stop" --log_path="systemd"
+ynh_systemctl --service="$app" --action="stop" --log_path="systemd"
 
 #=================================================
 # MODIFY URL IN NGINX CONF
 #=================================================
-ynh_script_progression --message="Updating NGINX web server configuration..." --weight=1
+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..." --weight=1
+ynh_script_progression "Starting $app's systemd service..."
 
-ynh_systemd_action --service_name="$app" --action="start" --log_path="systemd"
+ynh_systemctl --service="$app" --action="start" --log_path="systemd"
 
 #=================================================
 # 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 c78cfe9..4738110 100755
--- a/scripts/install
+++ b/scripts/install
@@ -1,65 +1,58 @@
 #!/bin/bash
 
-#=================================================
-# GENERIC START
-#=================================================
-# IMPORT GENERIC HELPERS
-#=================================================
-
 source _common.sh
 source /usr/share/yunohost/helpers
 
 #=================================================
 # 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 +x "$install_dir/cells"
 
-chmod 750 "$install_dir"
-chmod -R o-rwx "$install_dir"
-chown -R "$app:www-data" "$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 "$app:www-data" "$install_dir"
 #=================================================
 # ADD A CONFIGURATION
 #=================================================
-ynh_script_progression --message="Adding a configuration file..." --weight=1
+ynh_script_progression "Adding $app's configuration..."
 
-ynh_add_config --template="../conf/install-conf.yml" --destination="$install_dir/install-conf.yml"
-ynh_delete_file_checksum --file="$install_dir/install-conf.yml"
+ynh_config_add --template="install-conf.yml" --destination="$install_dir/install-conf.yml"
+ynh_delete_file_checksum "$install_dir/install-conf.yml"
 
 pushd "$install_dir"
     # See https://pydio.com/fr/docs/cells/v4/working-directories
-    ynh_exec_as "$app" env \
+    ynh_exec_as_app \
         CELLS_DATA_DIR="$data_dir" \
         ./cells configure --cli --yaml "./install-conf.yml"
 popd
-ynh_secure_remove --file="$install_dir/install-conf.yml"
+ynh_safe_rm "$install_dir/install-conf.yml"
 
 #=================================================
 # 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="File sharing platform"
 
 #=================================================
 # 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="$app" --action="start" --log_path="systemd"
+ynh_systemctl --service="$app" --action="start" --log_path="systemd"
 
 #=================================================
 # 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 e2a26db..a990359 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -1,39 +1,33 @@
 #!/bin/bash
 
-#=================================================
-# GENERIC START
-#=================================================
-# IMPORT GENERIC HELPERS
-#=================================================
-
 source _common.sh
 source /usr/share/yunohost/helpers
 
 #=================================================
 # REMOVE SYSTEM CONFIGURATIONS
 #=================================================
-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 "$app" >/dev/null; then
+if ynh_hide_warnings yunohost service status "$app" >/dev/null; then
     yunohost service remove "$app"
 fi
 
 # Remove the dedicated systemd config
-ynh_remove_systemd_config
+ynh_config_remove_systemd
 
 # Remove the dedicated NGINX config
-ynh_remove_nginx_config
+ynh_config_remove_nginx
 
 #=================================================
 # SPECIFIC REMOVE
 #=================================================
 # REMOVE VARIOUS FILES
 #=================================================
-# ynh_script_progression --message="Removing various files..."
+# ynh_script_progression "Removing various files..."
 
 #=================================================
 # END OF SCRIPT
 #=================================================
 
-ynh_script_progression --message="Removal of $app completed" --last
+ynh_script_progression "Removal of $app completed"
diff --git a/scripts/restore b/scripts/restore
index ec770e5..fd64d96 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
@@ -13,51 +7,48 @@ 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"
-
-chown -R $app:www-data "$install_dir"
+ynh_restore "$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 $app:www-data "$install_dir"
 #=================================================
 # RESTORE THE DATA DIRECTORY
 #=================================================
-ynh_script_progression --message="Restoring the data directory..." --weight=1
+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"
 
 #=================================================
 # RESTORE THE MYSQL DATABASE
 #=================================================
-ynh_script_progression --message="Restoring the MySQL database..." --weight=1
+ynh_script_progression "Restoring the MySQL database..."
 
-ynh_mysql_connect_as --user="$db_user" --password="$db_pwd" --database="$db_name" < ./db.sql
+ynh_mysql_db_shell < ./db.sql
 
 #=================================================
 # RESTORE SYSTEM CONFIGURATIONS
 #=================================================
-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="File sharing platform"
 
-#=================================================
-# 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="$app" --action="start" --log_path="systemd"
-ynh_systemd_action --service_name=nginx --action=reload
+ynh_systemctl --service="$app" --action="start" --log_path="systemd"
+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 9265a63..7f21320 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -1,30 +1,22 @@
 #!/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"
 
 #=================================================
 # ENSURE DOWNWARD COMPATIBILITY
 #=================================================
-ynh_script_progression --message="Ensuring downward compatibility..." --weight=1
+ynh_script_progression "Ensuring downward compatibility..."
 
 # Previous installs might have been listening on local ipv6
-if ynh_compare_current_package_version --comparison lt --version "4.3.1~ynh1"; then
+if ynh_app_upgrading_from_version_before 4.3.1~ynh1; then
     jq ".defaults.sites[0].Binds[0] = \"127.0.0.1:$port\"" "$install_dir/.config/pydio/cells/pydio.json" \
         > "$install_dir/_pydio.json"
     mv "$install_dir/_pydio.json" "$install_dir/.config/pydio/cells/pydio.json"
@@ -33,38 +25,37 @@ fi
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
-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="$install_dir" --full_replace=1 --keep=".config .minio"
+ynh_setup_source --dest_dir="$install_dir" --full_replace --keep=".config .minio"
 
 chmod +x "$install_dir/cells"
 
-chmod 750 "$install_dir"
-chmod -R o-rwx "$install_dir"
-chown -R "$app:www-data" "$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 "$app:www-data" "$install_dir"
 #=================================================
 # REAPPLY SYSTEM CONFIGURATIONS
 #=================================================
-ynh_script_progression --message="Upgrading system configurations related to $app..." --weight=1
+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="File sharing platform"
 
 #=================================================
 # 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="$app" --action="start" --log_path="systemd"
+ynh_systemctl --service="$app" --action="start" --log_path="systemd"
 
 #=================================================
 # END OF SCRIPT
 #=================================================
 
-ynh_script_progression --message="Upgrade of $app completed" --last
+ynh_script_progression "Upgrade of $app completed"