diff --git a/manifest.json b/manifest.json
index 565a842..25820d0 100644
--- a/manifest.json
+++ b/manifest.json
@@ -3,8 +3,8 @@
     "id": "veloren",
     "packaging_format": 1,
     "description": {
-        "en": "Multiplayer voxel RPG inspired by games such as Cube World, Legend of Zelda: Breath of the Wild, Dwarf Fortress and Minecraft",
-        "fr": "RPG voxel multijoueur inspiré de jeux tels que Cube World, Legend of Zelda : Breath of the Wild, Dwarf Fortress et Minecraft"
+        "en": "Multiplayer voxel RPG",
+        "fr": "RPG voxel multijoueur"
     },
     "version": "0.11.0~ynh1",
     "url": "https://veloren.net",
@@ -22,7 +22,7 @@
         "email": "jules.bertholet@gmail.com"
     },
     "requirements": {
-        "yunohost": ">= 4.1.3"
+        "yunohost": ">= 11.0.9"
     },
     "multi_instance": true,
     "services": [],
diff --git a/scripts/install b/scripts/install
index f4c2f44..7a9a2d0 100755
--- a/scripts/install
+++ b/scripts/install
@@ -46,17 +46,18 @@ app=$YNH_APP_INSTANCE_NAME
 #=================================================
 # CHECK IF THE APP CAN BE INSTALLED WITH THESE ARGS
 #=================================================
-ynh_script_progression --message="Validating installation parameters..." --weight=10
+ynh_script_progression --message="Validating installation parameters..." --weight=1
 
 final_path=/opt/yunohost/$app
 test ! -e "$final_path" || ynh_die --message="This path already contains a folder"
+
 data_path=/home/yunohost.app/$app
 test ! -e "$data_path" || ynh_die --message="This path already contains a folder"
 
 #=================================================
 # STORE SETTINGS FROM MANIFEST
 #=================================================
-ynh_script_progression --message="Storing installation settings..." --weight=10
+ynh_script_progression --message="Storing installation settings..." --weight=1
 
 ynh_app_setting_set --app=$app --key=server_name --value=$server_name
 ynh_app_setting_set --app=$app --key=description --value=$description
@@ -81,7 +82,7 @@ ynh_app_setting_set --app=$app --key=allow_inter_site_trade --value=$allow_inter
 #=================================================
 # FIND AND OPEN PORTS
 #=================================================
-ynh_script_progression --message="Finding an available port..." --weight=10
+ynh_script_progression --message="Finding an available port..." --weight=1
 
 # Find an available port
 port=$(ynh_find_port --port=14004)
@@ -95,20 +96,20 @@ ynh_app_setting_set --app=$app --key=metrics_port --value=$metrics_port
 # Expose port publicly
 
 # Open the port
-ynh_script_progression --message="Configuring firewall..." --weight=10
+ynh_script_progression --message="Configuring firewall..." --weight=1
 ynh_exec_warn_less yunohost firewall allow --no-upnp Both $port
 
 #=================================================
 # INSTALL DEPENDENCIES
 #=================================================
-ynh_script_progression --message="Installing dependencies..." --weight=20
+ynh_script_progression --message="Installing dependencies..." --weight=2
 
 ynh_install_app_dependencies $pkg_dependencies
 
 #=================================================
 # CREATE DEDICATED USER
 #=================================================
-ynh_script_progression --message="Configuring system user..." --weight=10
+ynh_script_progression --message="Configuring system user..." --weight=1
 
 # Create a system user
 ynh_system_user_create --username=$app --home_dir="$data_path"
@@ -116,7 +117,7 @@ ynh_system_user_create --username=$app --home_dir="$data_path"
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
-ynh_script_progression --message="Setting up source files..." --weight=100
+ynh_script_progression --message="Setting up source files..." --weight=10
 
 ynh_app_setting_set --app=$app --key=final_path --value=$final_path
 ynh_app_setting_set --app=$app --key=data_path --value=$data_path
@@ -128,7 +129,7 @@ setup_source
 #=================================================
 # COMPILE SERVER
 #=================================================
-ynh_script_progression --message="Compiling server..." --weight=100
+ynh_script_progression --message="Compiling server..." --weight=10
 
 compile_server
 
@@ -139,7 +140,7 @@ compile_server
 map_generated=0
 
 if [ $generate_custom_world -eq 1 ]; then
-	ynh_script_progression --message="Generating custom world..." --weight=100
+	ynh_script_progression --message="Generating custom world..." --weight=10
 
 	generate_custom_world
 fi
@@ -153,7 +154,7 @@ add_configuration_files
 #=================================================
 # SETUP SYSTEMD
 #=================================================
-ynh_script_progression --message="Configuring a systemd service..." --weight=10
+ynh_script_progression --message="Configuring a systemd service..." --weight=1
 
 # Create a dedicated systemd config
 ynh_add_systemd_config
@@ -163,7 +164,7 @@ ynh_add_systemd_config
 #=================================================
 # SETUP LOGROTATE
 #=================================================
-ynh_script_progression --message="Configuring log rotation..."  --weight=10
+ynh_script_progression --message="Configuring log rotation..."  --weight=1
 
 # Use logrotate to manage application logfile(s)
 ynh_use_logrotate
@@ -171,14 +172,14 @@ ynh_use_logrotate
 #=================================================
 # INTEGRATE SERVICE IN YUNOHOST
 #=================================================
-ynh_script_progression --message="Integrating service in YunoHost..." --weight=10
+ynh_script_progression --message="Integrating service in YunoHost..." --weight=1
 
 yunohost service add $app --description="Veloren game server" --needs_exposed_ports "$port" --log="/var/log/$app/$app.log"
 
 #=================================================
 # START SYSTEMD SERVICE
 #=================================================
-ynh_script_progression --message="Starting a systemd service..." --weight=35
+ynh_script_progression --message="Starting a systemd service..." --weight=10
 
 # Start a systemd service
 ynh_systemd_action --service_name=$app --action="start" --line_match="Server is ready to accept connections." --log_path="/var/log/$app/$app.log"
diff --git a/scripts/remove b/scripts/remove
index d3602c2..45f623d 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -12,7 +12,7 @@ source /usr/share/yunohost/helpers
 #=================================================
 # LOAD SETTINGS
 #=================================================
-ynh_script_progression --message="Loading installation settings..." --weight=10
+ynh_script_progression --message="Loading installation settings..." --weight=1
 
 app=$YNH_APP_INSTANCE_NAME
 
@@ -27,14 +27,14 @@ get_app_settings
 # 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..." --weight=10
+	ynh_script_progression --message="Removing $app service integration..." --weight=1
 	yunohost service remove $app
 fi
 
 #=================================================
 # STOP AND REMOVE SERVICE
 #=================================================
-ynh_script_progression --message="Stopping and removing the systemd service..." --weight=100
+ynh_script_progression --message="Stopping and removing the systemd service..." --weight=5
 
 # Remove the dedicated systemd config
 ynh_remove_systemd_config
@@ -42,7 +42,7 @@ ynh_remove_systemd_config
 #=================================================
 # REMOVE DEPENDENCIES
 #=================================================
-ynh_script_progression --message="Removing dependencies..." --weight=10
+ynh_script_progression --message="Removing dependencies..." --weight=5
 
 # Remove metapackage and its dependencies
 ynh_remove_app_dependencies
@@ -50,7 +50,7 @@ ynh_remove_app_dependencies
 #=================================================
 # REMOVE APP MAIN DIR
 #=================================================
-ynh_script_progression --message="Removing app main directory..." --weight=10
+ynh_script_progression --message="Removing app main directory..." --weight=3
 
 # Remove the app directory securely
 ynh_secure_remove --file="$final_path"
@@ -58,15 +58,18 @@ ynh_secure_remove --file="$final_path"
 #=================================================
 # REMOVE APP DATA DIR
 #=================================================
-ynh_script_progression --message="Removing app data directory..." --weight=10
 
-# Remove the data directory securely
-ynh_secure_remove --file="$data_path"
+# Remove the data directory if --purge option is used
+if [ "${YNH_APP_PURGE:-0}" -eq 1 ]
+then
+	ynh_script_progression --message="Removing app data directory..." --weight=1
+	ynh_secure_remove --file="$datadir"
+fi
 
 #=================================================
 # REMOVE LOGROTATE CONFIGURATION
 #=================================================
-ynh_script_progression --message="Removing logrotate configuration..." --weight=10
+ynh_script_progression --message="Removing logrotate configuration..." --weight=5
 
 # Remove the app-specific logrotate config
 ynh_remove_logrotate
@@ -77,7 +80,7 @@ ynh_remove_logrotate
 
 if yunohost firewall list | grep -q "\- $port$"
 then
-	ynh_script_progression --message="Closing port $port..." --weight=10
+	ynh_script_progression --message="Closing port $port..." --weight=1
 	ynh_exec_warn_less yunohost firewall disallow TCP $port
 fi
 
diff --git a/scripts/restore b/scripts/restore
index 65fc178..73f9ebf 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -23,7 +23,7 @@ ynh_abort_if_errors
 #=================================================
 # LOAD SETTINGS
 #=================================================
-ynh_script_progression --message="Loading installation settings..." --weight=10
+ynh_script_progression --message="Loading installation settings..." --weight=1
 
 app=$YNH_APP_INSTANCE_NAME
 
@@ -32,7 +32,7 @@ get_app_settings
 #=================================================
 # CHECK IF THE APP CAN BE RESTORED
 #=================================================
-ynh_script_progression --message="Validating restoration parameters..."  --weight=10
+ynh_script_progression --message="Validating restoration parameters..."  --weight=1
 
 test ! -d $final_path \
 	|| ynh_die --message="There is already a directory: $final_path "
@@ -44,7 +44,7 @@ test ! -d $data_path \
 #=================================================
 # RECREATE THE DEDICATED USER
 #=================================================
-ynh_script_progression --message="Recreating the dedicated system user..." --weight=10
+ynh_script_progression --message="Recreating the dedicated system user..." --weight=1
 
 # Create the dedicated user (if not existing)
 ynh_system_user_create --username=$app --home_dir="$data_path"
@@ -52,7 +52,7 @@ ynh_system_user_create --username=$app --home_dir="$data_path"
 #=================================================
 # REINSTALL DEPENDENCIES
 #=================================================
-ynh_script_progression --message="Reinstalling dependencies..." --weight=15
+ynh_script_progression --message="Reinstalling dependencies..." --weight=6
 
 # Define and install dependencies
 ynh_install_app_dependencies $pkg_dependencies
@@ -60,7 +60,7 @@ ynh_install_app_dependencies $pkg_dependencies
 #=================================================
 # RESTORE THE APP MAIN DIR
 #=================================================
-ynh_script_progression --message="Restoring the app main directory..." --weight=10
+ynh_script_progression --message="Restoring the app main directory..." --weight=4
 
 ynh_restore_file --origin_path="$final_path"
 
@@ -79,7 +79,7 @@ ynh_restore_file --origin_path="/var/log/$app"
 #=================================================
 # RESTORE SYSTEMD
 #=================================================
-ynh_script_progression --message="Restoring the systemd configuration..." --weight=10
+ynh_script_progression --message="Restoring the systemd configuration..." --weight=1
 
 ynh_restore_file --origin_path="/etc/systemd/system/$app.service"
 systemctl enable $app.service --quiet
@@ -87,7 +87,7 @@ systemctl enable $app.service --quiet
 #=================================================
 # INTEGRATE SERVICE IN YUNOHOST
 #=================================================
-ynh_script_progression --message="Integrating service in YunoHost..." --weight=10
+ynh_script_progression --message="Integrating service in YunoHost..." --weight=1
 
 yunohost service add $app --description="Veloren game server" --needs_exposed_ports "$port" --log="/var/log/$app/$app.log"
 
diff --git a/scripts/upgrade b/scripts/upgrade
index 5d09a83..9d4bd5d 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -12,7 +12,7 @@ source /usr/share/yunohost/helpers
 #=================================================
 # LOAD SETTINGS
 #=================================================
-ynh_script_progression --message="Loading installation settings..." --weight=10
+ynh_script_progression --message="Loading installation settings..." --weight=1
 
 app=$YNH_APP_INSTANCE_NAME
 
@@ -27,7 +27,7 @@ upgrade_type=$(ynh_check_app_version_changed)
 #=================================================
 # BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
 #=================================================
-ynh_script_progression --message="Backing up the app before upgrading (may take a while)..." --weight=10
+ynh_script_progression --message="Backing up the app before upgrading (may take a while)..." --weight=1
 
 # Backup the current version of the app
 ynh_backup_before_upgrade
@@ -45,14 +45,14 @@ ynh_abort_if_errors
 #=================================================
 # STOP SYSTEMD SERVICE
 #=================================================
-ynh_script_progression --message="Stopping a systemd service..." --weight=10
+ynh_script_progression --message="Stopping a systemd service..." --weight=1
 
 ynh_systemd_action --service_name=$app --action="stop" --log_path="/var/log/$app/$app.log"
 
 #=================================================
 # CREATE DEDICATED USER
 #=================================================
-ynh_script_progression --message="Making sure dedicated system user exists..." --weight=10
+ynh_script_progression --message="Making sure dedicated system user exists..." --weight=1
 
 # Create a dedicated user (if not existing)
 ynh_system_user_create --username=$app --home_dir="$data_path"
@@ -60,7 +60,7 @@ ynh_system_user_create --username=$app --home_dir="$data_path"
 #=================================================
 # UPGRADE DEPENDENCIES
 #=================================================
-ynh_script_progression --message="Upgrading dependencies..." --weight=10
+ynh_script_progression --message="Upgrading dependencies..." --weight=1
 
 ynh_install_app_dependencies $pkg_dependencies
 
@@ -70,7 +70,7 @@ ynh_install_app_dependencies $pkg_dependencies
 
 if [ "$upgrade_type" == "UPGRADE_APP" ]
 then
-	ynh_script_progression --message="Upgrading source files..." --weight=100
+	ynh_script_progression --message="Upgrading source files..." --weight=10
 
 	# Download, check integrity, uncompress and patch the source from app.src
 	setup_source
@@ -81,7 +81,7 @@ fi
 #=================================================
 # COMPILE SERVER
 #=================================================
-ynh_script_progression --message="Compiling server..." --weight=100
+ynh_script_progression --message="Compiling server..." --weight=10
 
 compile_server
 
@@ -92,7 +92,7 @@ compile_server
 map_generated=0
 
 if [ $generate_custom_world -eq 1 ]; then
-	ynh_script_progression --message="Generating custom world..." --weight=100
+	ynh_script_progression --message="Generating custom world..." --weight=10
 
 	generate_custom_world
 fi
@@ -106,7 +106,7 @@ add_configuration_files
 #=================================================
 # SETUP SYSTEMD
 #=================================================
-ynh_script_progression --message="Upgrading systemd configuration..." --weight=10
+ynh_script_progression --message="Upgrading systemd configuration..." --weight=1
 
 # Create a dedicated systemd config
 ynh_add_systemd_config
@@ -116,7 +116,7 @@ ynh_add_systemd_config
 #=================================================
 # SETUP LOGROTATE
 #=================================================
-ynh_script_progression --message="Upgrading logrotate configuration..." --weight=10
+ynh_script_progression --message="Upgrading logrotate configuration..." --weight=1
 
 # Use logrotate to manage app-specific logfile(s)
 ynh_use_logrotate --non-append
@@ -131,7 +131,7 @@ yunohost service add $app --description="Veloren game server" --needs_exposed_po
 #=================================================
 # START SYSTEMD SERVICE
 #=================================================
-ynh_script_progression --message="Starting a systemd service..." --weight=35
+ynh_script_progression --message="Starting a systemd service..." --weight=3
 
 ynh_systemd_action --service_name=$app --action="start" --line_match="Server is ready to accept connections." --log_path="/var/log/$app/$app.log"