# 6.0.0



* Feature proposal #4175: Implement Amazon oAuth2 single sign on
* Feature proposal #4290: Implement Vkontakte oAuth2 single sign on
* Bug #4325: Implement stronger CSS selectors for button styling to avoid conflict
* Bug #4329: Firefox sortable conflict
* Feature proposal #4387: Implement registration pre-filling
* Bug #4411: Tutorials no longer match social site UI
* Feature proposal #4481: Replace buttons with bootstrap buttons
* Feature proposal #4740: Replace API with middleman service or API library
* Task #4778: Deprecate social site fields
* Feature proposal #4783: Implement username format parameter
* Feature proposal #4784: Implement fronted profile edit of social site fields to unlink
* Feature proposal #4812: Implement Steam OpenID single sign on
* Feature proposal #4814: Implement Tumblr single sign on