Reply To: Upgraded but won't recognize key? Change 1000+ of WordPress Featured Images in 5 Minutes! › Forums › Questions and Answers › Upgraded but won't recognize key? › Reply To: Upgraded but won't recognize key? May 20, 2015 at 12:34 pm #967 Martin StehleModerator If you would send me the login to the WordPress backend I would take a look to the behaviour of the plugin. Please mail them to email@example.com.