After releasing WordPress 4.5 on April 12, WordPress team is now planning to release the version 4.6 on August 2016, the date is only for planning and discussion purpose and the focus is entirely on ensuring the quality of the release by eliminating bugs and profiling the code for any performance issues.
WordPress 4.6 Beta 1 is now available!
This software is still in development, so you should consider setting up a test site just to play with the new version. To test WordPress 4.6, try the WordPress Beta Tester plugin .
This plugin provides an easy way to get involved with Beta testing WordPress. Once installed it will enable you to upgrade your blog to the latest Beta or Release candidate at the click of a button using the built in upgrader. By default once enabled it switches your blog onto the point release development track.
The newer version will be more stable and bug fixed, but we can’t exactly say what’s new on WordPress 4.6. We will keep updated this page every time we get a clue, so please keep your eyes on this page to know about the newest features of WordPress 4.6.
But As far we know, WordPress 4.6 is coming with better user management along with better post management, better security and bug fixes