Currently, the latest version of WordPress is 4.9.4 which is also available for public download and the next version of WordPress 4.9.5 Beta version is also to download for testing purpose.
The new version of WordPress 4.9.5 is coming with it 23 bug fixes and improvements. It is scheduled for final release on April 3rd, 2018.
If you want to see the 23 changes which are coming in WordPress 4.9.5 release, then view a full list of closed tickets on Trac.
If you like FreeWebMentor and you would like to contribute, you can write an article and mail your article to [email protected] Your article will appear on the FreeWebMentor main page and help other developers.