Here’s an article from WordPress News written by Helen Hou-Sandi which I thought you might find of interest.

WordPress 4.7 Beta 1 is now available! This software is still in development, so we don’t recommend you run it on a production site. Consider setting up a test site just to play with the new version. To test WordPress 4.7, try the WordPress Beta Tester plugin (you’ll want “bleeding edge nightlies”). Or you can […]

To read more head to https://wordpress.org/news/2016/10/wordpress-4-7-beta-1/

Till next time,
D