WordPress 4.0 Beta was released yesterday. This is a major release that comes with really cool features and improvements. Please note that WordPress 4.0 is still in beta, some of the features here might not make it to the final release.
You can test WordPress 4.0 beta on your PC, Mac, or in a staging environment by using WordPress Beta Tester plugin.
- Media Grid View
- Plenty of post-editor improvements like the editor will now stick to the top, and it will resize itself as you write.
- Improvements in theme customizer. The widgets are moved in their own panel.
- Plugin install experience. Featured plugins are changed to show plugins in a nice grid.
And many more! Read more about it here: http://www.wpbeginner.com/news/whats-coming-in-wordpress-4-0-features-and-screenshots/