WordPress 4.2, Codenamed “Powell” was released on April 23, 2015.

Powell, named after jazz pianist, Bud Powell, is a planned features update. For information on what new features will await you in this new release, visit:
https://wordpress.org/news/2015/04/powell/

There’s a nifty video showcasing the highlights and you can read more about them on the page.

Since this is a larger update, it might take a little while for plugins to become current. Once all of your website’s plugins are updated or confirmed compatible with the new software, I will contact you personally to set up an upgrade date.