Joomla! 3.9.18 Bug Fix Release announced
Joomla! 3.9.18 is a Bug Fix Release which addresses ONE serious bug introduced by the 3.9.17 Security Fix released earlier today.
See the Release Notes at the link below.
Read more: Joomla! 3.9.18 Release News.
Back up before updating is highly recommended
Protect your assets.
Perform a FULL backup of your website (database and files) BEFORE updating the Joomla! CMS and/or its extensions.
Read more: How to back up your website.
Read more: How to update your Joomla! CMS & its extensions.