What is latest version of WordPress

Check the latest version of WordPress

As of Today 06/25/2018 the latest stable version number is 4.9.6

If you’d like to browse the WordPress source and inline documentation, we have a convenient developer reference and a code browser.

The built WordPress source, licensed under the GNU General Public License version 2 (or later), resides in a Subversion repository at core.svn.wordpress.org.