diff --git a/scripts/install b/scripts/install
index 6cce381..bc6f118 100644
--- a/scripts/install
+++ b/scripts/install
@@ -30,6 +30,13 @@ app=$YNH_APP_INSTANCE_NAME
 
 set_motd=""
 enable_registration="true"
+enable_linksharing="true"
+enable_taskattachments="true"
+enable_taskcomments="true"
+enable_emailreminders="true"
+enable_userdeletion="true"
+maxavatarsize=1024
+maxitemsperpage=50
 
 #=================================================
 # CHECK IF THE APP CAN BE INSTALLED WITH THESE ARGS
@@ -52,6 +59,13 @@ ynh_app_setting_set --app=$app --key=domain --value=$domain
 ynh_app_setting_set --app=$app --key=path --value=$path_url
 ynh_app_setting_set --app=$app --key=set_motd --value=$set_motd
 ynh_app_setting_set --app=$app --key=enable_registration --value=$enable_registration
+ynh_app_setting_set --app=$app --key=enable_linksharing --value=$enable_linksharing
+ynh_app_setting_set --app=$app --key=enable_taskattachments --value=$enable_taskattachments
+ynh_app_setting_set --app=$app --key=enable_taskcomments --value=$enable_taskcomments
+ynh_app_setting_set --app=$app --key=enable_emailreminders --value=$enable_emailreminders
+ynh_app_setting_set --app=$app --key=enable_userdeletion --value=$enable_userdeletion
+ynh_app_setting_set --app=$app --key=maxavatarsize --value=$maxavatarsize
+ynh_app_setting_set --app=$app --key=maxitemsperpage --value=$maxitemsperpage
 
 #=================================================
 # STANDARD MODIFICATIONS
diff --git a/scripts/upgrade b/scripts/upgrade
index 4085044..c20ae68 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -79,6 +79,41 @@ if [ -z "$enable_registration" ]; then
 	ynh_app_setting_set --app=$app --key=enable_registration --value=$enable_registration
 fi
 
+if [ -z "$enable_linksharing" ]; then
+	enable_linksharing="true"
+	ynh_app_setting_set --app=$app --key=enable_linksharing --value=$enable_linksharing
+fi
+
+if [ -z "$enable_taskattachments" ]; then
+	enable_taskattachments="true"
+	ynh_app_setting_set --app=$app --key=enable_taskattachments --value=$enable_taskattachments
+fi
+
+if [ -z "$enable_taskcomments" ]; then
+	enable_taskcomments="true"
+	ynh_app_setting_set --app=$app --key=enable_taskcomments --value=$enable_taskcomments
+fi
+
+if [ -z "$enable_emailreminders" ]; then
+	enable_emailreminders="true"
+	ynh_app_setting_set --app=$app --key=enable_emailreminders --value=$enable_emailreminders
+fi
+
+if [ -z "$enable_userdeletion" ]; then
+	enable_userdeletion="true"
+	ynh_app_setting_set --app=$app --key=enable_userdeletion --value=$enable_userdeletion
+fi
+
+if [ -z "$maxavatarsize" ]; then
+	maxavatarsize="true"
+	ynh_app_setting_set --app=$app --key=maxavatarsize --value=$maxavatarsize
+fi
+
+if [ -z "$maxitemsperpage" ]; then
+	maxitemsperpage="true"
+	ynh_app_setting_set --app=$app --key=maxitemsperpage --value=$maxitemsperpage
+fi
+
 # Cleaning legacy permissions
 if ynh_legacy_permissions_exists; then
 	ynh_legacy_permissions_delete_all