Joomla 3.9.21 is available and it’s a security release. Since a few security issues and bugs have been resolved, we’re considering this a security fix and we recommend all Joomla website owners have this upgrade done.
Joomla 3.9.21 is a security release for the 3.x series of Joomla which addresses 3 security vulnerabilities and contains over 20 bug fixes and improvements.
Joomla! 3.9.21 Release (joomla.org)
Security Issues Fixed
Bug fixes and Improvements
Our Website Maintenance Department will be in contact with our clients regarding this upgrade. If you need this upgrade done on your website, please contact us.