Hey there, let me help you!
First, let’s get your rolled back. Install WP Rollback and follow this video: https://www.youtube.com/watch?v=oaiAzmpgbYU. Go back to 3.6.18.
Then I need to know what theme you’re using so I can debug. A few isolated users such as yourself have reported this issue and I’m trying to get to the bottom of it.
Will you please help me figure this out?
You should find the performance increased. Your theme may have been running into the edge case we just found.
Be sure to delete your copy of Redux. We did not increase the versions yet.
