diff --git a/check_process b/check_process
index d67ff3a..6bff7bc 100644
--- a/check_process
+++ b/check_process
@@ -14,11 +14,12 @@
 		setup_private=1
 		setup_public=1
 		upgrade=1
+		upgrade=1	from_commit=cbb74263e33deb0ec36f99886a2f773e36d40fd9
 		backup_restore=1
 		multi_instance=1
 		incorrect_path=1
 		port_already_use=0
-		change_url=0
+		change_url=1
 ;; Test avec multisite
 	; Manifest
 		domain="domain.tld"	(DOMAIN)
@@ -45,8 +46,7 @@
 	Level 3=auto
 # Level 4: https://github.com/YunoHost-Apps/wordpress_ynh/blob/master/conf/sql/single.sql#L1
 	Level 4=1
-# Level 5: https://github.com/YunoHost-Apps/wordpress_ynh/issues/18
-	Level 5=1
+	Level 5=auto
 	Level 6=auto
 	Level 7=auto
 	Level 8=0
@@ -55,3 +55,7 @@
 ;;; Options
 Email=
 Notification=down
+;;; Upgrade options
+	; commit=cbb74263e33deb0ec36f99886a2f773e36d40fd9
+		name=Upgrade 4.8
+		manifest_arg=domain=DOMAIN&path=PATH&admin=USER&language=fr_FR&multisite=0&is_public=1&
diff --git a/scripts/_common.sh b/scripts/_common.sh
index 37c4432..0177d37 100755
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -33,3 +33,19 @@ CHECK_SIZE () {	# Vérifie avant chaque backup que l'espace est suffisant
 		ynh_die "Espace nécessaire: $(HUMAN_SIZE $backup_size)"
 	fi
 }
+
+
+#=================================================
+#============= FUTURE YUNOHOST HELPER ============
+#=================================================
+
+# Delete a file checksum from the app settings
+#
+# $app should be defined when calling this helper
+#
+# usage: ynh_remove_file_checksum file
+# | arg: file - The file for which the checksum will be deleted
+ynh_delete_file_checksum () {
+	local checksum_setting_name=checksum_${1//[\/ ]/_}	# Replace all '/' and ' ' by '_'
+	ynh_app_setting_delete $app $checksum_setting_name
+}
diff --git a/scripts/install b/scripts/install
index 48e6ff6..c10a556 100644
--- a/scripts/install
+++ b/scripts/install
@@ -114,8 +114,6 @@ cp ../conf/wp-config.php $final_path/wp-config.php
 # Change variables in Wordpress configuration
 ynh_replace_string "__DB_USER__" "$db_name" $final_path/wp-config.php
 ynh_replace_string "__DB_PWD__" "$db_pwd" $final_path/wp-config.php
-ynh_replace_string "__DOMAIN__" "$domain" $final_path/wp-config.php
-ynh_replace_string "__PATH__" "$path_url" $final_path/wp-config.php
 
 for i in 1 2 3 4 5 6 7 8
 do
@@ -168,14 +166,6 @@ $wpcli_alias plugin install simple-ldap-login
 $wpcli_alias plugin install http-authentication
 $wpcli_alias plugin install companion-auto-update
 
-#=================================================
-# LOAD SQL CONFIG
-#=================================================
-
-# Replace variables in sql scripts
-ynh_replace_string "__DOMAIN_PATH__" "$domain$path_url" ../conf/sql/*.sql
-ynh_replace_string "__DATE__" "$(date +%s)" ../conf/sql/*.sql
-
 #=================================================
 # SET LANGUAGE
 #=================================================
@@ -200,17 +190,19 @@ then
 	ynh_replace_string "//--MULTISITE2--define" "define" $final_path/wp-config.php
 
 	ynh_mysql_connect_as $db_name $db_pwd $db_name < ../conf/sql/multisite.sql
+	plugin_network="--network"
 else
 	ynh_mysql_connect_as $db_name $db_pwd $db_name < ../conf/sql/single.sql
+	plugin_network=""
 fi
 
 #=================================================
 # ACTIVATE WORDPRESS' PLUGINS
 #=================================================
 
-$wpcli_alias plugin activate simple-ldap-login
+$wpcli_alias plugin activate simple-ldap-login $plugin_network
 # Do not activate http-authentication, this plugin is sometimes unstable
-$wpcli_alias plugin activate companion-auto-update
+$wpcli_alias plugin activate companion-auto-update $plugin_network
 
 #=================================================
 # STORE THE CHECKSUM OF THE CONFIG FILE