Add group for the vertical tabs, no idea how this was working before and i totally forgot you have to do this, also fix double escaping in confirmation message by using the @method rather than !method in drupal_set_message() since we use other markup as well.
Update touch icons for iOS 7 and 8, makeover shortcode settings, add new search block default styles, update selectors and various defaults in the UIKit, allow longer theme names in the Generator
Updates for AT Subtheme Starterkit
Post shakedown changes to variables - most changes center around how colors are used and introducing the concept of reusable textures and patterns, fixing minor issues with responsive menus, make dealing with local tasks much easier and generally streamlining how the SASS variables system works.
Updates for AT Core
Many incremental updates and bug fixes including adding breakpoints to drupalSettings, new breakpoint body class, add breakpoint to window size indicator, fix local tasks tabs code, deprecate using extend in any twig template, add some new classes in various templates, rethink captions in field image, add pager and mini pager templates, clean up some comments, fix node meta submitted markup and classes, add the admin theme name to theme settings form