Version 4.3 of WordPress, named “Billie” in honor of jazz singer Billie Holiday, is available for download or update in your WordPress dashboard. New features in 4.3 make it even easier to format your content and customize your site.
Menus in the Customizer
Create your menu, update it, and assign it, all while live-previewing in the customizer. The streamlined customizer design provides a mobile-friendly and accessible interface. With every release, it becomes easier and faster to make your site...
Read more @ https://wordpress.org/news/2015/08/billie/