User blog comment:Rappy 4187/Technical Update: November 19, 2013/@comment-452-20131119184919


 * "Button" color could not be changed in ThemeDesigner."

Hooray!
 * "Editing or highlighting a forum thread could cause a user to unintentionally unfollow the thread."

Hooray!
 * "Slideshows sometimes used the interface language of the last person to edit the page."

Hooray! (I assume the TOC language changing is part of the same fix.)