Joomla 3.9.2 is now available for update, everyone should update immediately, this is a security release which addresses 3 security vulnerabilities (directory traversal in com_media component, helpsites refresh endpoint callable for non authenticated users and Object.prototype pollution in JQuery $.extend), also this release contains more than 20 bug fixes.
Joomla 3.9.3 is now available for update. This is a security release which addresses 6 security vulnerabilities also contains +30 bug fixes, and includes various security related improvements, everyone should update quickly.
Joomla 3.8.8 is now available for update. This is a security release which addresses 9 security vulnerabilities also contains +50 bug fixes, and includes various security related improvements, everyone should update quickly.
Here full list of fixes in Github
Stable Joomla 3.7 is now available for download and update, This new release features over 700 improvements to the popular CMS, including many features which make administration of Joomla! Web sites easier and more feature-rich, as well as many UX (user experience) improvements.