Multisite, now faster than ever!
Cached and comprehensive site queries improve your network admin experience. The addition of WP_Site_Query and WP_Network_Query help craft advanced queries with less effort.
Theme add and activation work flow changes to one screen
Editor improvements – shows broken link
Lost Internet connection – drafts saved locally to browser
WordPress Dashboard uses native fonts from Operating System resulting in loading improvements (speed up)
Masonry 3.3.2, imagesLoaded 3.2.0, MediaElement.js 2.22.0, TinyMCE 4.4.1, and Backbone.js 1.3.3 are bundled.
This release was led by Dominik Schilling with the help of 272 Contributors. Read the official release page for WordPress 4.6