The core team has announced the availability of Joomla 3.9 Candidate 2. The new version has been fixed a number of bugs and should only be used on demo and test sites.
Joomla 3.9 New Features
Joomla 3.9 has 200+ new features, improvements and bug fixes
View more & download here: https://www.smartaddons.com/blog/joomla-39-release-candidate-2-has-been-released