WordPress 3.5 Release Candidate 3 is now available for download and testing.What’s new in this RC?
Final UI improvements for the new media manager.
Show more information about uploading errors when they occur.
When inserting an image into a post, don’t forget the alternative text.
Fixes for the new admin button styles.
Improvements for mobile devices, Internet Explorer, and right-to-left languages.
Fix cookies for subdomain installs when multisite is installed in a subdirectory.
Fix ms-files.php rewriting for very old multisite installs.
Download WordPress 3.5 Release Candidate 3