I knew it was the 4.4.1! Reasons like this is why they need a “revert to previous” built into WordPress. How long have people been asking for this feature in wordpress?? People shouldn’t have to go into FTP to restore a previous version of WP themselves. Thanks for letting us know what the issue is Rai. I hope the release a fix soon. I think I would rather revert to 4.4 for now instead of use a patch.